da/dd7/Passive_2src_2Pipe_8cxx_source.html

// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.

// All rights not expressly granted are reserved.

//

// This software is distributed under the terms of the GNU General Public

// License v3 (GPL Version 3), copied verbatim in the file "COPYING".

//

// In applying this license CERN does not waive the privileges and immunities

// granted to it by virtue of its status as an Intergovernmental Organization

// or submit itself to any jurisdiction.


#include "DetectorsPassive/Pipe.h"

#include <DetectorsBase/Detector.h>

#include <DetectorsBase/MaterialManager.h>

#include <TGeoCompositeShape.h>

#include <TGeoCone.h>

#include <TGeoPcon.h>

#include <TGeoTorus.h>

#include <TGeoTube.h>

#include <TGeoEltu.h>

#include <TVirtualMC.h>

#include "TGeoManager.h"  // for TGeoManager, gGeoManager

#include "TGeoMaterial.h" // for TGeoMaterial

#include "TGeoMedium.h"   // for TGeoMedium

#include "TGeoVolume.h"   // for TGeoVolume

#include <TGeoArb8.h>     // for TGeoTrap

#include <TGeoTrd1.h>     // for TGeoTrap

// force availability of assert

#ifdef NDEBUG

#undef NDEBUG

#endif

#include <cassert>


//-------------------------------------------------------------------------

//  Beam pipe class for ALICE ITS & MFT upgrade

//  Imported from AliRoot AliPIPEupdrage

//  Original Authors:

//  F. Manso

//  A. Morsch

//  R. Tieulent

//  M. Sitta

//-------------------------------------------------------------------------


using namespace o2::passive;


Pipe::~Pipe() = default;

Pipe::Pipe() : PassiveBase("PIPE", "") {}


Pipe::Pipe(const char* name, const char* title, float rho, float thick)

  : PassiveBase(name, title), mBePipeRmax(rho), mBePipeThick(thick)

{

}


Pipe::Pipe(const Pipe& rhs) = default;


Pipe& Pipe::operator=(const Pipe& rhs)

{

  // self assignment

  if (this == &rhs) {

    return *this;

  }


  // base class assignment

  PassiveBase::operator=(rhs);


  return *this;

}


void Pipe::ConstructGeometry()

{

  createMaterials();

  //

  //  Class describing the beam pipe geometry

  //

  Float_t z, zsh, z0;

  //

  // Rotation Matrices

  //

  const Float_t kDegRad = TMath::Pi() / 180.;

  // Rotation by 180 deg

  TGeoRotation* rot180 = new TGeoRotation("rot180", 90., 180., 90., 90., 180., 0.);

  TGeoRotation* rotyz = new TGeoRotation("rotyz", 90., 180., 0., 180., 90., 90.);

  TGeoRotation* rotxz = new TGeoRotation("rotxz", 0., 0., 90., 90., 90., 180.);

  //


  // Media

  auto& matmgr = o2::base::MaterialManager::Instance();

  const TGeoMedium* kMedAir = matmgr.getTGeoMedium("PIPE_AIR");

  const TGeoMedium* kMedAirNF = matmgr.getTGeoMedium("PIPE_AIR_NF");

  const TGeoMedium* kMedAirHigh = matmgr.getTGeoMedium("PIPE_AIR_HIGH");


  const TGeoMedium* kMedVac = matmgr.getTGeoMedium("PIPE_VACUUM");

  const TGeoMedium* kMedVacNF = matmgr.getTGeoMedium("PIPE_VACUUM_NF");

  const TGeoMedium* kMedVacHC = matmgr.getTGeoMedium("PIPE_VACUUM_HC");

  const TGeoMedium* kMedVacNFHC = matmgr.getTGeoMedium("PIPE_VACUUM_NFHC");


  const TGeoMedium* kMedInsu = matmgr.getTGeoMedium("PIPE_INS_C0");


  const TGeoMedium* kMedSteel = matmgr.getTGeoMedium("PIPE_INOX");

  const TGeoMedium* kMedSteelNF = matmgr.getTGeoMedium("PIPE_INOX_NF");

  const TGeoMedium* kMedSteelHC = matmgr.getTGeoMedium("PIPE_INOX_HC");

  const TGeoMedium* kMedSteelNFHC = matmgr.getTGeoMedium("PIPE_INOX_NFHC");


  const TGeoMedium* kMedBe = matmgr.getTGeoMedium("PIPE_BE");


  const TGeoMedium* kMedCu = matmgr.getTGeoMedium("PIPE_CU");

  const TGeoMedium* kMedCuNF = matmgr.getTGeoMedium("PIPE_CU_NF");

  const TGeoMedium* kMedCuHC = matmgr.getTGeoMedium("PIPE_CU_HC");

  const TGeoMedium* kMedCuNFHC = matmgr.getTGeoMedium("PIPE_CU_NFHC");


  const TGeoMedium* kMedAlu2219 = matmgr.getTGeoMedium("PIPE_AA2219");

  const TGeoMedium* kMedRohacell = matmgr.getTGeoMedium("PIPE_ROHACELL");

  const TGeoMedium* kMedPolyimide = matmgr.getTGeoMedium("PIPE_POLYIMIDE");

  const TGeoMedium* kMedCarbonFiber = matmgr.getTGeoMedium("PIPE_M55J6K");

  const TGeoMedium* kMedTitanium = matmgr.getTGeoMedium("PIPE_TITANIUM");

  const TGeoMedium* kMedAlu7075 = matmgr.getTGeoMedium("PIPE_AA7075");


  // Top volume

  TGeoVolume* top = gGeoManager->GetVolume("cave");

  TGeoVolume* barrel = gGeoManager->GetVolume("barrel");

  TGeoVolume* caveRB24 = gGeoManager->GetVolume("caveRB24");

  //

  //

  //                                                                            //

  //                                  The Central Vacuum system                 //

  //                                                                            //

  //

  //

  //  The ALICE central beam-pipe according to drawing         LHCVC2C_0001

  //  Drawings of sub-elements:

  //

  //  Pos 7 - Minimised Flange:                                LHCVFX_P0025

  //  Pos 6 - Standard Flange:                                 STDVFUHV0009

  //  Pos 8 - Bellow:                                          LHCVBX__0001

  //

  //  Absolute z-coordinates -82.0 - 400.0 cm

  //  Total length:                                          482.0 cm

  //  It consists of 3 main parts:

  //  CP/2 The flange on the non-absorber side:               36.5 cm

  //  CP/1 The central Be pipe:                              405.0 cm

  //  CP/3 The double-bellow and flange on the absorber side: 40.5 cm


  //

  /*

  //  Starting position in z

  const Float_t kCPz0      = -400.0;

  //  Length of the CP/1 section

  const Float_t kCP1Length =  405.0;

  //  Length of the CP/2 section

  const Float_t kCP2Length =   36.5;

  //  Length of the CP/3 section

  const Float_t kCP3Length =   40.5;

  //  Position of the CP/2 section

  //    const Float_t kCP2pos    = kCPz0 + kCP2Length / 2.;

  //  Position of the CP/3 section

  const Float_t kCP3pos    = kCPz0 + kCP2Length + kCP1Length + kCP3Length/2.;

  */


  // Authors: F. Manso, R. Tieulent

  // Drawings from C. Gargiulo :

  // \\cern.ch\dfs\Workspaces\c\cgargiul\EXPERIMENT\ALICE\ALICE_MECHANICS\ALICE_DATA_PACKAGE\IN\DETECTORS\ITS_UPGRADE\1-DESIGN\3D_cad_model\R14_20140311_ALI\

  //

  //

  // central beam pipe

  //------------------- Pipe version 4.7 March 2014 -----------------------------

  TGeoVolumeAssembly* beamPipeCsideSection = new TGeoVolumeAssembly("BeamPipeCsideSection");

  // If user set Rmax=0/Thick=0 use defaults, else use user input

  const Float_t kBeryliumSectionOuterRadius = (mBePipeRmax > 0.) ? mBePipeRmax : 1.9;

  const Float_t kBeryliumSectionThickness = (mBePipeThick > 0.) ? mBePipeThick : 0.08;

  const Float_t kBeryliumSectionZmax = 44.4;

  const Float_t kBeryliumSectionZmin = -44.4;


  const Float_t kBellowSectionOuterRadius = 2.15;

  const Float_t kCSideBPSOuterRadius = 2.22;

  const Float_t kCSideBPSWallThickness = 0.15;

  const Float_t kBellowSectionZmax = -55.35;

  const Float_t kBellowOuterRadius = 2.8;

  const Float_t kFirstConeAngle = 15. * TMath::DegToRad();

  const Float_t kChangeThicknessAngle = 45. * TMath::DegToRad();

  const Float_t kCSideBPSLength = 3.53;

  const Float_t kDzFirstCone = (kCSideBPSOuterRadius - kBeryliumSectionOuterRadius) / TMath::Tan(kFirstConeAngle);

  const Float_t kReduceThicknessPartAfterBPSLength = 1.52;

  const Float_t kThinPartBeforeBellowLength = 1.025;


  const Float_t kDistanceBetweenBellows = 2.5;


  const Float_t kAdaptConeZmax = -77.43;

  const Float_t kAdaptConeZmin = -80.6;

  const Float_t kAdaptConeRmax = 3.0;

  const Float_t kFlangeRmax = 4.3;

  const Float_t kFlangeLength = 1.4;


  const Float_t kBellowPlieRadius = 0.17;    // radius of bellow plies

  const Float_t kBellowPlieThickness = 0.03; // Thickness of bellow plies 300 microns

  const Int_t kNBellowConvolutions = 7;


  const Float_t kZ1 = kBeryliumSectionZmin; // z of Be - Al jonction on the C-side

  const Float_t kZ2 =

    kBellowSectionZmax + kDzFirstCone; // z of end of small diameter part (beginning of first cone before the bellow

  const Float_t kZ3 = kBellowSectionZmax +

                      (kCSideBPSOuterRadius - kBellowSectionOuterRadius) /

                        TMath::Tan(kFirstConeAngle);        // z of End of first cone part with 0.8mm thickness

  const Float_t kZ4 = kBellowSectionZmax;                   // z of End of first Cone

  const Float_t kZ5 = kBellowSectionZmax - kCSideBPSLength; // z of End of Beam Pipe support section

  const Float_t kZ6 =

    kBellowSectionZmax - kCSideBPSLength -

    (kCSideBPSOuterRadius - kBellowSectionOuterRadius) /

      TMath::Tan(kChangeThicknessAngle); // z of End of Beam Pipe support section after reduction of thickness

  const Float_t kZ7 =

    kZ6 - kReduceThicknessPartAfterBPSLength; // Z of end of 800 microns section after Beam Pipe Support

  const Float_t kZ8 = kZ7 - (kBeryliumSectionThickness - kBellowPlieThickness) / TMath::Tan(kChangeThicknessAngle);

  const Float_t kZ9 = kZ7 - kThinPartBeforeBellowLength; // Z of the start of first bellow

  const Float_t kFirstBellowZmax = kZ9;


  //---------------- Be pipe around the IP ----------

  TGeoTube* berylliumTube =

    new TGeoTube("IP_PIPEsh", kBeryliumSectionOuterRadius - kBeryliumSectionThickness, kBeryliumSectionOuterRadius,

                 (kBeryliumSectionZmax - kBeryliumSectionZmin) / 2);

  TGeoVolume* voberylliumTube = new TGeoVolume("IP_PIPE", berylliumTube, kMedBe);

  voberylliumTube->SetLineColor(kRed);


  TGeoTube* berylliumTubeVacuum =

    new TGeoTube("IP_PIPEVACUUMsh", 0., kBeryliumSectionOuterRadius,

                 (kBeryliumSectionZmax - kBeryliumSectionZmin) / 2);

  TGeoVolume* voberylliumTubeVacuum = new TGeoVolume("IP_PIPEMOTHER", berylliumTubeVacuum, kMedVac);

  voberylliumTubeVacuum->AddNode(voberylliumTube, 1, gGeoIdentity);

  voberylliumTubeVacuum->SetVisibility(0);

  voberylliumTubeVacuum->SetLineColor(kGreen);


  beamPipeCsideSection->AddNode(voberylliumTubeVacuum, 1,

                                new TGeoTranslation(0., 0., (kBeryliumSectionZmax + kBeryliumSectionZmin) / 2));


  //----------------  Al tube ------------------

  TGeoPcon* aluBeforeBellows = new TGeoPcon(0., 360., 9);

  aluBeforeBellows->DefineSection(0, kZ9, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  aluBeforeBellows->DefineSection(1, kZ8, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  aluBeforeBellows->DefineSection(2, kZ7, 0., kBellowSectionOuterRadius);

  aluBeforeBellows->DefineSection(3, kZ6, 0., kBellowSectionOuterRadius);

  aluBeforeBellows->DefineSection(4, kZ5, 0., kCSideBPSOuterRadius);

  aluBeforeBellows->DefineSection(5, kZ4, 0., kCSideBPSOuterRadius);

  aluBeforeBellows->DefineSection(6, kZ3, 0., kBellowSectionOuterRadius);

  aluBeforeBellows->DefineSection(7, kZ2, 0., kBeryliumSectionOuterRadius);

  aluBeforeBellows->DefineSection(8, kZ1, 0., kBeryliumSectionOuterRadius);

  TGeoVolume* voaluBeforeBellows = new TGeoVolume("aluBeforeBellows", aluBeforeBellows, kMedAlu2219);

  voaluBeforeBellows->SetLineColor(kBlue);

  beamPipeCsideSection->AddNode(voaluBeforeBellows, 1, gGeoIdentity);


  TGeoPcon* aluBeforeBellowsVacuum = new TGeoPcon(0., 360., 7);

  aluBeforeBellowsVacuum->DefineSection(0, kZ9, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness);

  aluBeforeBellowsVacuum->DefineSection(1, kZ6, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness);

  aluBeforeBellowsVacuum->DefineSection(2, kZ5, 0., kCSideBPSOuterRadius - kCSideBPSWallThickness);

  aluBeforeBellowsVacuum->DefineSection(3, kZ4, 0., kCSideBPSOuterRadius - kCSideBPSWallThickness);

  aluBeforeBellowsVacuum->DefineSection(4, kZ3, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness);

  aluBeforeBellowsVacuum->DefineSection(5, kZ2, 0., kBeryliumSectionOuterRadius - kBeryliumSectionThickness);

  aluBeforeBellowsVacuum->DefineSection(6, kZ1, 0., kBeryliumSectionOuterRadius - kBeryliumSectionThickness);

  TGeoVolume* voaluBeforeBellowsVacuum = new TGeoVolume("aluBeforeBellowsVacuum", aluBeforeBellowsVacuum, kMedVac);

  voaluBeforeBellowsVacuum->SetVisibility(1);

  voaluBeforeBellowsVacuum->SetLineColor(kGreen);

  voaluBeforeBellows->AddNode(voaluBeforeBellowsVacuum, 1, gGeoIdentity);

  //-------------------------------------------------


  Float_t kBellowLength = kNBellowConvolutions * (4. * kBellowPlieRadius - 2. * kBellowPlieThickness);

  // ------------------ First Bellow  --------------------

  TGeoVolume* vobellows1 =

    MakeBellowCside("bellows1", kNBellowConvolutions, kBellowSectionOuterRadius - kBeryliumSectionThickness,

                    kBellowOuterRadius, kBellowPlieRadius, kBellowPlieThickness);

  beamPipeCsideSection->AddNode(

    vobellows1, 1, new TGeoTranslation(0., 0., kFirstBellowZmax - kBellowLength / 2. - 2. * kBellowPlieRadius));

  //------------------------------------------------------


  const Float_t kZ10 = kFirstBellowZmax - kBellowLength; // End of First bellow

  const Float_t kZ12 = kZ10 - kThinPartBeforeBellowLength;

  const Float_t kZ11 = kZ12 +

                       (kBeryliumSectionThickness - kBellowPlieThickness) /

                         TMath::Tan(kChangeThicknessAngle); // End of 300 microns thickness part after first bellow

  const Float_t kZ13 = kZ12 - kDistanceBetweenBellows;

  const Float_t kZ14 = kZ13 - (kBeryliumSectionThickness - kBellowPlieThickness) / TMath::Tan(kChangeThicknessAngle);

  const Float_t kZ15 = kZ14 - kThinPartBeforeBellowLength;

  const Float_t kSecondBellowZmax = kZ15;


  //---------- Al tube between the bellows ----------

  TGeoPcon* tube4 = new TGeoPcon(0., 360., 6);

  tube4->DefineSection(0, kZ10, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  tube4->DefineSection(1, kZ11, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  tube4->DefineSection(2, kZ12, 0., kBellowSectionOuterRadius);

  tube4->DefineSection(3, kZ13, 0., kBellowSectionOuterRadius);

  tube4->DefineSection(4, kZ14, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  tube4->DefineSection(5, kZ15, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  TGeoVolume* votube4 = new TGeoVolume("votube4", tube4, kMedAlu2219);

  votube4->SetLineColor(kBlue);

  beamPipeCsideSection->AddNode(votube4, 1, gGeoIdentity);


  TGeoTube* tube4Vacuum = new TGeoTube(0., kBellowSectionOuterRadius - kBeryliumSectionThickness, -(kZ15 - kZ10) / 2.);

  TGeoVolume* votube4Vacuum = new TGeoVolume("tube4Vacuum", tube4Vacuum, kMedVac);

  votube4Vacuum->SetVisibility(1);

  votube4->AddNode(votube4Vacuum, 1, new TGeoTranslation(0., 0., (kZ10 + kZ15) / 2.));


  // ------------------ Second Bellow --------------------

  TGeoVolume* vobellows2 =

    MakeBellowCside("bellows2", kNBellowConvolutions, kBellowSectionOuterRadius - kBeryliumSectionThickness,

                    kBellowOuterRadius, kBellowPlieRadius, kBellowPlieThickness);

  beamPipeCsideSection->AddNode(

    vobellows2, 1, new TGeoTranslation(0., 0., kSecondBellowZmax - kBellowLength / 2. - 2. * kBellowPlieRadius));

  // -----------------------------------------------------


  const Float_t kZ16 = kSecondBellowZmax - kBellowLength; // End of Second bellow

  const Float_t kZ18 = kZ16 - kThinPartBeforeBellowLength;

  const Float_t kZ17 = kZ18 +

                       (kBeryliumSectionThickness - kBellowPlieThickness) /

                         TMath::Tan(kChangeThicknessAngle); // End of 300 microns thickness part after first bellow

  const Float_t kZ19 = kAdaptConeZmax;                      // Start of the Adpation Cone

  const Float_t kZ20 = kAdaptConeZmin;                      // End of the Adpation Cone

  const Float_t kZ21 = kAdaptConeZmin - kFlangeLength;      // End of the Flange


  //----------- 15 deg Conical adaptator + flange ----------

  TGeoPcon* adaptator = new TGeoPcon(0., 360., 7);

  adaptator->DefineSection(0, kZ16, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  adaptator->DefineSection(1, kZ17, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness + kBellowPlieThickness);

  adaptator->DefineSection(2, kZ18, 0., kBellowSectionOuterRadius);

  adaptator->DefineSection(3, kZ19, 0., kBellowSectionOuterRadius);

  adaptator->DefineSection(4, kZ20, 0., kAdaptConeRmax);

  adaptator->DefineSection(5, kZ20, 0., kFlangeRmax);

  adaptator->DefineSection(6, kZ21, 0., kFlangeRmax);

  TGeoVolume* voadaptator = new TGeoVolume("voadaptator", adaptator, kMedAlu2219);

  voadaptator->SetLineColor(kBlue);

  beamPipeCsideSection->AddNode(voadaptator, 1, gGeoIdentity);


  TGeoPcon* adaptatorvide = new TGeoPcon(0., 360., 4);

  adaptatorvide->DefineSection(0, kZ16, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness);

  adaptatorvide->DefineSection(1, kZ19, 0., kBellowSectionOuterRadius - kBeryliumSectionThickness);

  adaptatorvide->DefineSection(2, kZ20, 0., kAdaptConeRmax - kBeryliumSectionThickness);

  adaptatorvide->DefineSection(3, kZ21, 0., kAdaptConeRmax - kBeryliumSectionThickness);

  TGeoVolume* voadaptatorvide = new TGeoVolume("voadaptatorvide", adaptatorvide, kMedVac);

  voadaptatorvide->SetVisibility(1);

  //  voadaptatorvide->SetLineColor(kGreen);

  voadaptator->AddNode(voadaptatorvide, 1, gGeoIdentity);

  //------------------------------------------------------


  barrel->AddNode(beamPipeCsideSection, 1, new TGeoTranslation(0., 30., 0.));


  //              Beam Pipe support       F.M.     2021  rev 2023  //


  // Beam Pipe Support

  TGeoVolume* beamPipeSupport = new TGeoVolumeAssembly("BeamPipeSupport");

  const Float_t kBeamPipesupportZpos = kZ5;


  // Dimensions :

  const Float_t kSupportXdim = 20.67;

  const Float_t kBeamPipeRingZdim = 3.6;

  const Float_t kVespelRmax = 2.3;

  const Float_t kVespelRmin = 2.22;

  const Float_t kBeampipeCarbonCollarRmin = 2.5;

  const Float_t kBeampipeCarbonCollarRmax = 2.7;

  const Float_t kFixationCarbonCollarRmin = 1.5;

  const Float_t kFixationCarbonCollarRmax = 1.7;

  const Float_t kFixationCarbonCollarDZ = 2.5;

  const Float_t kSkinThickness = 0.3;

  const Float_t kSkinXdim = 14.2;

  const Float_t kSkinYdim = 1.4;

  const Float_t kSkinZdim = kFixationCarbonCollarDZ;

  const Float_t kCarbonEarsXdim = 2.8;

  const Float_t kCarbonEarsYdimIn = 1.1;

  const Float_t kCarbonEarsYdimOut = 0.6;

  const Float_t kCarbonEarsZdim = kFixationCarbonCollarDZ;

  const Float_t kScrewDiameter = 0.4;

  const Float_t kScrewHeadHeight = 0.2;

  const Float_t kScrewHeadDiameter = 0.6;

  const Float_t kScrewPositionIn = 3.25;

  const Float_t kScrewPositionOut = 21.80;

  const Float_t kScrewThreadLength = 1.0;

  const Float_t holeSightDiameterOut = 0.60;

  const Float_t holeSightDiameterIn = 0.25;


  // Support Bar

  TGeoVolumeAssembly* supportBar = new TGeoVolumeAssembly("BPS_SupportBar");

  TGeoBBox* carbonSkinBPS = new TGeoBBox("carbonSkinBPS", kSkinXdim / 2., kSkinYdim / 2., kSkinZdim / 2.);

  TGeoBBox* foambarBPS = new TGeoBBox("foambarBPS", kSkinXdim / 2. - kSkinThickness, kSkinYdim / 2. - kSkinThickness,

                                      kSkinZdim / 2. - kSkinThickness / 2.);

  TGeoBBox* carbonEarsBPSin = new TGeoBBox("carbonEarsBPSin", kCarbonEarsXdim / 2., kCarbonEarsYdimIn / 2., kCarbonEarsZdim / 2.);

  TGeoBBox* carbonEarsBPSout = new TGeoBBox("carbonEarsBPSout", kCarbonEarsXdim / 2., kCarbonEarsYdimOut / 2., kCarbonEarsZdim / 2.);


  //===== building the main support bar in carbon ====

  TGeoTranslation* tBP1 = new TGeoTranslation("tBP1", (kSkinXdim + kCarbonEarsXdim) / 2., -(kSkinYdim - kCarbonEarsYdimIn) / 2., 0.);

  TGeoTranslation* tBP2 = new TGeoTranslation("tBP2", -(kSkinXdim + kCarbonEarsXdim) / 2., 0., 0.);

  tBP1->RegisterYourself();

  tBP2->RegisterYourself();


  TGeoRotation* rotScrew = new TGeoRotation("rotScrew", 0., 90., 0.);

  rotScrew->RegisterYourself();


  TGeoTube* holeScrew = new TGeoTube("holeScrew", 0., kScrewDiameter / 2., kCarbonEarsYdimIn / 2. + 0.001);

  TGeoTube* holeSight = new TGeoTube("holeSight", 0., holeSightDiameterOut / 2., kSkinZdim / 2. + 0.001);

  TGeoTranslation* tHoleSight = new TGeoTranslation("tHoleSight", kSkinXdim / 2. + kCarbonEarsXdim + kBeampipeCarbonCollarRmax - 6.55, 0., 0.);

  tHoleSight->RegisterYourself();

  Double_t kXHoleIn = kSkinXdim / 2. + kCarbonEarsXdim + kBeampipeCarbonCollarRmax - kScrewPositionIn;

  Double_t kXHoleOut = kSkinXdim / 2. + kCarbonEarsXdim + kBeampipeCarbonCollarRmax - kScrewPositionOut;

  TGeoCombiTrans* tHoleScrew1 = new TGeoCombiTrans("tHoleScrew1", kXHoleIn, -(kSkinYdim - kCarbonEarsYdimIn) / 2., -0.7, rotScrew);

  TGeoCombiTrans* tHoleScrew2 = new TGeoCombiTrans("tHoleScrew2", kXHoleIn, -(kSkinYdim - kCarbonEarsYdimIn) / 2., 0.7, rotScrew);

  TGeoCombiTrans* tHoleScrew3 = new TGeoCombiTrans("tHoleScrew3", kXHoleOut, -(kSkinYdim - kCarbonEarsYdimIn) / 2., -0.7, rotScrew);

  TGeoCombiTrans* tHoleScrew4 = new TGeoCombiTrans("tHoleScrew4", kXHoleOut, -(kSkinYdim - kCarbonEarsYdimIn) / 2., 0.7, rotScrew);

  tHoleScrew1->RegisterYourself();

  tHoleScrew2->RegisterYourself();

  tHoleScrew3->RegisterYourself();

  tHoleScrew4->RegisterYourself();


  TGeoCompositeShape* supportBarCarbon = new TGeoCompositeShape("BPS_supportBarCarbon", "(carbonSkinBPS-foambarBPS)+carbonEarsBPSin:tBP1-holeScrew:tHoleScrew1-holeScrew:tHoleScrew2+carbonEarsBPSout:tBP2-holeSight:tHoleSight-holeScrew:tHoleScrew3-holeScrew:tHoleScrew4");

  TGeoVolume* supportBarCarbonVol = new TGeoVolume("BPS_supportBarCarbon", supportBarCarbon, kMedCarbonFiber);

  supportBarCarbonVol->SetLineColor(kGray + 2);

  supportBar->AddNode(supportBarCarbonVol, 1, new TGeoTranslation(-(kSkinXdim / 2. + kCarbonEarsXdim + kBeampipeCarbonCollarRmax), 0, 0));

  TGeoRotation* rotBar1 = new TGeoRotation("rotBar1", 0., 180., 180.);

  rotBar1->RegisterYourself();

  TGeoCombiTrans* transBar1 = new TGeoCombiTrans("transBar1", kSkinXdim / 2. + kCarbonEarsXdim + kBeampipeCarbonCollarRmax, 0, 0, rotBar1);

  transBar1->RegisterYourself();

  supportBar->AddNode(supportBarCarbonVol, 2, transBar1);

  //==================================================


  //==== Adding the internal foam volumes ============

  TGeoCompositeShape* foamVolume = new TGeoCompositeShape("foamVolume", "foambarBPS-holeSight:tHoleSight");

  TGeoVolume* FoamVolume = new TGeoVolume("supportBarFoam", foamVolume, kMedRohacell);

  FoamVolume->SetLineColor(kGreen);

  TGeoRotation* rotBar2 = new TGeoRotation("rotBar2", 0., 0., 180.);

  rotBar2->RegisterYourself();

  TGeoCombiTrans* transBar2 = new TGeoCombiTrans("transBar2", kSkinXdim / 2. + kCarbonEarsXdim + kBeampipeCarbonCollarRmax, 0, 0, rotBar2);

  transBar2->RegisterYourself();

  supportBar->AddNode(FoamVolume, 1, transBar1);

  supportBar->AddNode(FoamVolume, 2, new TGeoTranslation(-(kSkinXdim / 2. + kCarbonEarsXdim + kBeampipeCarbonCollarRmax), 0, 0));

  //==================================================


  //================= Screws ====================

  TGeoVolumeAssembly* screw = new TGeoVolumeAssembly("screw");

  TGeoTube* headScrew = new TGeoTube("headScrew", 0., kScrewHeadDiameter / 2., kScrewHeadHeight / 2.);

  TGeoVolume* HeadScrew = new TGeoVolume("HeadScrew", headScrew, kMedTitanium);

  HeadScrew->SetLineColor(kRed);

  TGeoTube* threadScrew = new TGeoTube("threadScrew", 0., kScrewDiameter / 2., kCarbonEarsYdimIn / 2.);

  TGeoVolume* ThreadScrew = new TGeoVolume("ThreadScrew", threadScrew, kMedTitanium);

  ThreadScrew->SetLineColor(kRed);

  screw->AddNode(HeadScrew, 1, new TGeoTranslation(0., 0., -(kCarbonEarsYdimIn + kScrewHeadHeight) / 2.));

  screw->AddNode(ThreadScrew, 1);

  TGeoCombiTrans* tScrew1 = new TGeoCombiTrans("transScrew1", kScrewPositionIn, (kCarbonEarsYdimIn - kSkinYdim) / 2., -0.7, rotScrew);

  TGeoCombiTrans* tScrew2 = new TGeoCombiTrans("transScrew2", kScrewPositionIn, (kCarbonEarsYdimIn - kSkinYdim) / 2., 0.7, rotScrew);

  TGeoCombiTrans* tScrew3 = new TGeoCombiTrans("transScrew3", -kScrewPositionIn, (kCarbonEarsYdimIn - kSkinYdim) / 2., -0.7, rotScrew);

  TGeoCombiTrans* tScrew4 = new TGeoCombiTrans("transScrew4", -kScrewPositionIn, (kCarbonEarsYdimIn - kSkinYdim) / 2., 0.7, rotScrew);

  tScrew1->RegisterYourself();

  tScrew2->RegisterYourself();

  tScrew3->RegisterYourself();

  tScrew4->RegisterYourself();

  supportBar->AddNode(screw, 1, tScrew1);

  supportBar->AddNode(screw, 2, tScrew2);

  supportBar->AddNode(screw, 3, tScrew3);

  supportBar->AddNode(screw, 4, tScrew4);

  //==============================================


  // === Optical sights  (assuming the same than the MFT ones) ===

  TGeoVolumeAssembly* fixationSight = new TGeoVolumeAssembly("fixationSight");

  TGeoTube* screwSight = new TGeoTube("screwSight", holeSightDiameterIn / 2., holeSightDiameterOut / 2., kScrewThreadLength / 2.);

  TGeoVolume* ScrewSight = new TGeoVolume("ScrewSight", screwSight, kMedSteel);

  ScrewSight->SetLineColor(kBlue);

  Double_t supportSightLength = 0.5;

  TGeoTube* supportSight = new TGeoTube("supportSight", holeSightDiameterIn / 2., 1.4 / 2., supportSightLength / 2.);

  TGeoVolume* SupportSight = new TGeoVolume("SupportSight", supportSight, kMedSteel);

  SupportSight->SetLineColor(kBlue);

  fixationSight->AddNode(ScrewSight, 1);

  fixationSight->AddNode(SupportSight, 1, new TGeoTranslation(0., 0., (kScrewThreadLength + supportSightLength) / 2.));

  SupportSight->SetVisibility(kTRUE);

  fixationSight->SetVisibility(kTRUE);

  TGeoTranslation* tSight1 = new TGeoTranslation("tSight1", 6.55, 0., (kSkinZdim - kScrewThreadLength) / 2.);

  TGeoTranslation* tSight2 = new TGeoTranslation("tSight2", -6.55, 0., (kSkinZdim - kScrewThreadLength) / 2.);

  tSight1->RegisterYourself();

  tSight2->RegisterYourself();

  supportBar->AddNode(fixationSight, 1, tSight1);

  supportBar->AddNode(fixationSight, 2, tSight2);

  // =====================


  beamPipeSupport->AddNode(supportBar, 1);


  //=======================  Fixation to pipe ========================

  TGeoTube* pipeSupportTubeCarbon = new TGeoTube(kBeampipeCarbonCollarRmin, kBeampipeCarbonCollarRmax, kFixationCarbonCollarDZ / 2.);

  TGeoVolume* FixationToPipeVol = new TGeoVolume("FixationToPipe", pipeSupportTubeCarbon, kMedCarbonFiber);

  FixationToPipeVol->SetLineColor(kGray + 2);

  beamPipeSupport->AddNode(FixationToPipeVol, 1);

  //==================================================================


  //================ Beam Pipe Ring =================

  TGeoVolumeAssembly* beamPipeRing = new TGeoVolumeAssembly("beamPipeRing");

  TGeoTube* beamPipeRingCarbon = new TGeoTube(kVespelRmax, kBeampipeCarbonCollarRmin, kBeamPipeRingZdim / 2.);

  TGeoVolume* beamPipeRingCarbonVol = new TGeoVolume("beamPipeRingCarbon", beamPipeRingCarbon, kMedCarbonFiber);

  beamPipeRingCarbonVol->SetLineColor(kGray + 2);

  beamPipeRing->AddNode(beamPipeRingCarbonVol, 1,

                        new TGeoTranslation(0., 0, (kBeamPipeRingZdim - kFixationCarbonCollarDZ) / 2.));

  TGeoTube* beamPipeRingVespel = new TGeoTube(kVespelRmin, kVespelRmax, (kBeamPipeRingZdim + 0.4) / 2.);

  TGeoVolume* beamPipeRingVespelVol = new TGeoVolume("beamPipeRingVespel", beamPipeRingVespel, kMedPolyimide);

  beamPipeRingVespelVol->SetLineColor(kGreen + 2);

  beamPipeRing->AddNode(beamPipeRingVespelVol, 1,

                        new TGeoTranslation(0., 0, (kBeamPipeRingZdim - kFixationCarbonCollarDZ) / 2.));

  beamPipeSupport->AddNode(beamPipeRing, 1);

  beamPipeSupport->SetVisibility(1);

  beamPipeSupport->IsVisible();

  //==================================================


  //============  Wings   (connecting the support bars to the cage support) ===============

  TGeoVolumeAssembly* Wing = new TGeoVolumeAssembly("Wing");


  // Tige

  Double_t lengthRod = 28.7 - 1.0 - 1.0 - 1.9; // sligtly decreased to accomodate to the fixation pieces

  Double_t diameterRod = 1.815;                // sligtly increased to account of the two ends of the rod

  Double_t xRod = 22.1;

  TGeoTube* Rod = new TGeoTube(0., diameterRod / 2., lengthRod / 2.);

  TGeoVolume* rod = new TGeoVolume("rod", Rod, kMedAlu7075);

  rod->SetLineColor(kGray);


  // Connecteur Tige / Beam support

  Double_t lengthFixRod = 4.0;

  Double_t diameterFixRod = 3.0;

  //---------------------------------------

  TGeoTube* RodBracket = new TGeoTube("RodBracket", 0., diameterFixRod / 2., lengthFixRod / 2.);

  TGeoBBox* BracketPlane = new TGeoBBox("BracketPlane", 3., 3., 3.);

  TGeoTranslation* tBracketPlane = new TGeoTranslation("tBracketPlane", 0., 3. - kCarbonEarsYdimOut / 2., (lengthFixRod + 6.) / 2. - 2.6);

  tBracketPlane->RegisterYourself();

  TGeoCompositeShape* Bracket = new TGeoCompositeShape("Bracket", "RodBracket-BracketPlane:tBracketPlane");

  TGeoVolume* bracket = new TGeoVolume("bracket", Bracket, kMedAlu7075);

  //---------------------------------------


  // Carbon box surrounding the aluminum rod

  TGeoVolumeAssembly* carbonBox = new TGeoVolumeAssembly("carbonBox");

  Double_t eCarbonBox = 0.1;

  Double_t trdWidth = 8.6;

  Double_t trdLength = 11.05 - 1.0 - 0.6; // on each side to accomodate the bracket and TRDPlate

  TGeoTrd1* trdOut = new TGeoTrd1("trdOut", 1.405 / 2, 6.632 / 2, trdLength / 2, trdWidth / 2);

  TGeoTrd1* trdIn = new TGeoTrd1("trdIn", 1.405 / 2 - eCarbonBox, 6.632 / 2 - eCarbonBox, trdLength / 2 + eCarbonBox, trdWidth / 2 - eCarbonBox);

  TGeoCompositeShape* trd = new TGeoCompositeShape("trd", "trdOut-trdIn");

  TGeoVolume* TRD = new TGeoVolume("TRD", trd, kMedCarbonFiber);

  TRD->SetLineColor(kGray);


  // To close the carbon box

  TGeoTrd1* trdPlate = new TGeoTrd1("trdPlate", 1.405 / 2, 6.632 / 2, 1.0 / 2, trdWidth / 2);

  TGeoVolume* TRDPlate = new TGeoVolume("TDRPlate", trdPlate, kMedAlu7075);


  // To connect on the main cage

  TGeoBBox* plateBox = new TGeoBBox("plateBox", 7.5 / 2., 9.5 / 2., 1.9 / 2.);

  TGeoBBox* removeBox = new TGeoBBox("removeBox", 2.1 / 2 + 0.0001, 2.5 / 2. + 0.0001, 1.9 / 2. + 0.0001);

  TGeoTranslation* tRemove1 = new TGeoTranslation("tRemove1", (7.5 - 2.1) / 2, -(9.5 - 2.5) / 2, 0.);

  TGeoTranslation* tRemove2 = new TGeoTranslation("tRemove2", -(7.5 - 2.1) / 2, -(9.5 - 2.5) / 2, 0.);

  tRemove1->RegisterYourself();

  tRemove2->RegisterYourself();


  // Connectors Rod / Cage

  TGeoCompositeShape* PlateBox = new TGeoCompositeShape("PlateBox", "plateBox-removeBox:tRemove1-removeBox:tRemove2");

  TGeoVolume* PLATEBox = new TGeoVolume("PLATEBox", PlateBox, kMedAlu7075);


  TGeoRotation* PlateRot = new TGeoRotation("PlateRot", 0., 0., 0.);

  TGeoRotation* FrontRot = new TGeoRotation("FrontRot", 180., 90., 0.);

  TGeoCombiTrans* tFrontCarbonBox = new TGeoCombiTrans("tFrontCarbonBox", 0., 0., 0., FrontRot);

  PlateRot->RegisterYourself();

  FrontRot->RegisterYourself();

  tFrontCarbonBox->RegisterYourself();

  TGeoCombiTrans* tTRDPlate = new TGeoCombiTrans("tTRDPlate", 0., 0., -(trdLength + 1.0) / 2, FrontRot);

  tTRDPlate->RegisterYourself();

  TRDPlate->SetLineColor(kGray + 2);

  TGeoCombiTrans* tPlateBox = new TGeoCombiTrans("tPlateBox", 0., 0., -(trdLength + 1.9) / 2 - 1.0, PlateRot);

  tPlateBox->RegisterYourself();

  PLATEBox->SetLineColor(kGray);


  Double_t xyOut[16] = {0};

  xyOut[0] = 3.316;

  xyOut[1] = 4.3;

  xyOut[2] = 0.7025;

  xyOut[3] = -xyOut[1];

  xyOut[4] = -xyOut[2];

  xyOut[5] = -xyOut[1];

  xyOut[6] = -xyOut[0];

  xyOut[7] = xyOut[1];

  //--------------

  xyOut[8] = 1.3;

  xyOut[9] = 1.3 - xyOut[1] + xyOut[8];

  xyOut[10] = xyOut[8];

  xyOut[11] = -xyOut[8] - xyOut[1] + xyOut[8];

  xyOut[12] = -xyOut[8];

  xyOut[13] = -xyOut[8] - xyOut[1] + xyOut[8];

  xyOut[14] = -xyOut[8];

  xyOut[15] = xyOut[8] - xyOut[1] + xyOut[8];

  Double_t ARB8Length = 15.35;

  TGeoArb8* ARB8Out = new TGeoArb8("ARB8Out", ARB8Length / 2, xyOut);


  Double_t xyIn[16] = {0};

  xyIn[0] = xyOut[0] - eCarbonBox;

  xyIn[1] = xyOut[1] - eCarbonBox;

  xyIn[2] = 0.7025 - eCarbonBox;

  xyIn[3] = -xyIn[1];

  xyIn[4] = -xyIn[2];

  xyIn[5] = -xyIn[1];

  xyIn[6] = -xyIn[0];

  xyIn[7] = xyIn[1];

  //--------------

  xyIn[8] = xyOut[8] - eCarbonBox;

  xyIn[9] = xyOut[8] - xyIn[1] + xyIn[8] - eCarbonBox;

  xyIn[10] = xyIn[8];

  xyIn[11] = -xyIn[8] - xyOut[1] + xyOut[8];

  xyIn[12] = -xyIn[8];

  xyIn[13] = -xyIn[8] - xyOut[1] + xyOut[8];

  xyIn[14] = -xyIn[8];

  xyIn[15] = xyIn[8] - xyOut[1] + xyOut[8];

  TGeoArb8* ARB8In = new TGeoArb8("ARB8In", ARB8Length / 2 + 0.0001, xyIn);


  TGeoCompositeShape* arb8 = new TGeoCompositeShape("arb8", "ARB8Out-ARB8In");

  TGeoVolume* ARB8 = new TGeoVolume("ARB8", arb8, kMedCarbonFiber);

  ARB8->SetLineColor(kGray);

  TGeoRotation* RearRot = new TGeoRotation("RearRot", 0., 0., 0.);

  TGeoCombiTrans* tRearCarbonBox = new TGeoCombiTrans("tRearCarbonBox", 0., 0., (ARB8Length + trdLength) / 2, RearRot);

  RearRot->RegisterYourself();

  tRearCarbonBox->RegisterYourself();

  //===============================================================


  carbonBox->AddNode(TRD, 1, tFrontCarbonBox);

  carbonBox->AddNode(ARB8, 1, tRearCarbonBox);

  carbonBox->AddNode(TRDPlate, 1, tTRDPlate);

  carbonBox->AddNode(PLATEBox, 1, tPlateBox);


  TGeoRotation* CarbonBoxRot1 = new TGeoRotation("CarbonBoxRot1", 90., 0., 0.);

  Double_t xCarbonBox = xRod + trdWidth / 2 - xyOut[8];

  Double_t zCarbonBox = -trdLength / 2 - ARB8Length - lengthFixRod + 1.3;

  TGeoCombiTrans* tCarbonBox1 = new TGeoCombiTrans("tCarbonBox1", -xCarbonBox, 0., zCarbonBox, CarbonBoxRot1);

  CarbonBoxRot1->RegisterYourself();

  tCarbonBox1->RegisterYourself();

  TGeoRotation* CarbonBoxRot2 = new TGeoRotation("CarbonBoxRot2", 270., 0., 0.);

  TGeoCombiTrans* tCarbonBox2 = new TGeoCombiTrans("tCarbonBox2", xCarbonBox, 0., zCarbonBox, CarbonBoxRot2);

  CarbonBoxRot2->RegisterYourself();

  tCarbonBox2->RegisterYourself();


  Wing->AddNode(rod, 1, new TGeoTranslation(xRod, 0., -(lengthRod / 2. + lengthFixRod) + 1.3));

  Wing->AddNode(rod, 2, new TGeoTranslation(-xRod, 0., -(lengthRod / 2. + lengthFixRod) + 1.3));

  bracket->SetLineColor(kGray);

  Wing->AddNode(bracket, 1, new TGeoTranslation(xRod, 0., -lengthFixRod / 2. + 1.3));

  Wing->AddNode(bracket, 2, new TGeoTranslation(-xRod, 0., -lengthFixRod / 2. + 1.3));

  Wing->AddNode(carbonBox, 1, tCarbonBox1);

  Wing->AddNode(carbonBox, 2, tCarbonBox2);


  beamPipeSupport->AddNode(Wing, 1);

  Double_t mGlobalShift = 2.45; // to be closest to the first bellow according to Corrado blueprints

  barrel->AddNode(beamPipeSupport, 1, new TGeoTranslation(0., 30, kBeamPipesupportZpos + kFixationCarbonCollarDZ / 2. - mGlobalShift));


  // Side A section after Beryllium

  // Authors: M.Sitta - 19 Sep 2014

  // Drawings from C. Gargiulo :

  // \\cern.ch\dfs\Workspaces\c\cgargiul\EXPERIMENT\ALICE\ALICE_MECHANICS\ALICE_DATA_PACKAGE\IN\DETECTORS\ITS_UPGRADE\1-DESIGN\0-IF_Control_Drawing\20140207_ICD_ITS_MFT_BP


  //----------------  Al tube ------------------

  Float_t kAluminumSectionThickness = 0.08;


  Float_t kAluminum1stSectionOuterRadius = 1.9;

  Float_t kAluminum1stSectionZmin = kBeryliumSectionZmax;

  Float_t kAluminum1stSectionLength = 20.8;

  Float_t kAluminumConesAngle = 15. * TMath::DegToRad();


  Float_t kAluminum2ndSectionOuterRadius = 2.5;

  Float_t kAluminum2ndSectionTotalLength = 361.8; /* was 402.8 - avoid overlap till we know where the pump will be */


  Float_t kBeamPipeSupportZpos = 177.5;

  Float_t kBeamPipeSupportLength = 5.25;

  Float_t kBeamPipeSupportThickness = 0.18;


  Float_t kZToAluminiumSecondCone = 3.08;

  Float_t kAluminum3rdSectionOuterRadius = 3.0;

  Float_t kFlangeATotalLength = 2.14;

  Float_t kFlangeASteelSectionLength = 0.8;

  Float_t kFlangeAExternalRadius = 7.6;


  Float_t kSupportRingZpos = 8.0;

  Float_t kSupportRingLength = 0.6;

  Float_t kSupportRingRmax = 3.1;


  Float_t kAluminumFirstConeLength =

    (kAluminum2ndSectionOuterRadius - kAluminum1stSectionOuterRadius) / TMath::Tan(kAluminumConesAngle);

  Float_t kAluminumSecondConeLength =

    (kAluminum3rdSectionOuterRadius - kAluminum2ndSectionOuterRadius) / TMath::Tan(kAluminumConesAngle);


  Float_t kZ26 = kAluminum1stSectionZmin;

  Float_t kZ27 = kZ26 + kAluminum1stSectionLength;

  Float_t kZ28 = kZ27 + kAluminumFirstConeLength;

  Float_t kZ30 = kBeamPipeSupportZpos;

  Float_t kZ29 = kZ30 - (kBeamPipeSupportThickness - kAluminumSectionThickness);

  Float_t kZ32 = kZ29 + kBeamPipeSupportLength;

  Float_t kZ31 = kZ32 - (kBeamPipeSupportThickness - kAluminumSectionThickness);

  Float_t kZ36 = kZ27 + kAluminum2ndSectionTotalLength - kFlangeASteelSectionLength;

  Float_t kZ35 = kZ36 - (kFlangeATotalLength - kFlangeASteelSectionLength);

  Float_t kZ34 = kZ35 - (kZToAluminiumSecondCone - kFlangeATotalLength);

  Float_t kZ33 = kZ34 - kAluminumSecondConeLength;


  Float_t rMin, rMax;

  Float_t zPos;


  // The Aluminum Section till Flange. The sections are first defined with the real

  // wall, so that the vacuum bore can be read off them, and the mother is then

  // opened up to the beam axis so that it contains that bore itself.

  TGeoPcon* aluSideA = new TGeoPcon(0., 360., 14);

  rMax = kAluminum1stSectionOuterRadius;

  rMin = rMax - kAluminumSectionThickness;

  aluSideA->DefineSection(0, kZ26, rMin, rMax);

  aluSideA->DefineSection(1, kZ27, rMin, rMax);


  rMax = kAluminum2ndSectionOuterRadius;

  rMin = rMax - kAluminumSectionThickness;

  aluSideA->DefineSection(2, kZ28, rMin, rMax);

  aluSideA->DefineSection(3, kZ29, rMin, rMax);


  rMax = rMin + kBeamPipeSupportThickness;

  aluSideA->DefineSection(4, kZ30, rMin, rMax);

  aluSideA->DefineSection(5, kZ31, rMin, rMax);


  aluSideA->DefineSection(6, kZ32, aluSideA->GetRmin(2), aluSideA->GetRmax(2));

  aluSideA->DefineSection(7, kZ33, aluSideA->GetRmin(2), aluSideA->GetRmax(2));


  rMax = kAluminum3rdSectionOuterRadius;

  rMin = rMax - kAluminumSectionThickness;

  aluSideA->DefineSection(8, kZ34, rMin, rMax);

  aluSideA->DefineSection(9, kZ35, rMin, rMax);


  rMax = kFlangeAExternalRadius;

  aluSideA->DefineSection(10, kZ35, rMin, rMax);

  aluSideA->DefineSection(11, kZ35 + kAluminumSectionThickness, rMin, rMax);


  rMin = rMax - kAluminumSectionThickness;

  aluSideA->DefineSection(12, kZ35 + kAluminumSectionThickness, rMin, rMax);

  aluSideA->DefineSection(13, kZ36, rMin, rMax);


  // The vacuum inside aluSideA, taken from the wall radii before they are zeroed.

  TGeoPcon* aluSideAVac = new TGeoPcon(0., 360., 8);

  aluSideAVac->DefineSection(0, aluSideA->GetZ(0), 0., aluSideA->GetRmin(0));

  aluSideAVac->DefineSection(1, aluSideA->GetZ(1), 0., aluSideA->GetRmin(1));

  aluSideAVac->DefineSection(2, aluSideA->GetZ(2), 0., aluSideA->GetRmin(2));

  aluSideAVac->DefineSection(3, aluSideA->GetZ(7), 0., aluSideA->GetRmin(7));

  aluSideAVac->DefineSection(4, aluSideA->GetZ(8), 0., aluSideA->GetRmin(8));

  aluSideAVac->DefineSection(5, aluSideA->GetZ(11), 0., aluSideA->GetRmin(11));

  aluSideAVac->DefineSection(6, aluSideA->GetZ(12), 0., aluSideA->GetRmin(12));

  aluSideAVac->DefineSection(7, aluSideA->GetZ(13), 0., aluSideA->GetRmin(13));


  // Open the aluminium to the beam axis. Without this the vacuum daughter lies

  // entirely outside its mother, the navigator never enters it, and the bore is

  // filled with the barrel's air instead of vacuum.

  for (Int_t iSec = 0; iSec < aluSideA->GetNz(); ++iSec) {

    aluSideA->DefineSection(iSec, aluSideA->GetZ(iSec), 0., aluSideA->GetRmax(iSec));

  }


  TGeoVolume* voaluSideA = new TGeoVolume("aluSideA", aluSideA, kMedAlu2219);

  voaluSideA->SetLineColor(kBlue);

  barrel->AddNode(voaluSideA, 1, new TGeoTranslation(0., 30., 0.));


  TGeoVolume* voaluSideAVac = new TGeoVolume("aluSideAVac", aluSideAVac, kMedVac);

  voaluSideAVac->SetLineColor(kGreen);

  voaluSideAVac->SetVisibility(1);

  voaluSideA->AddNode(voaluSideAVac, 1, gGeoIdentity);


  // The Stainless Steel Flange Ring

  rMax = kFlangeAExternalRadius;

  rMin = rMax - kAluminumSectionThickness;

  TGeoTube* flangeASteelRing = new TGeoTube(rMin, rMax, kFlangeASteelSectionLength / 2.);


  TGeoVolume* voflangeASteelRing = new TGeoVolume("steelFlangeSideA", flangeASteelRing, kMedSteel);

  voflangeASteelRing->SetLineColor(kRed);

  zPos = aluSideA->GetZ(13) + flangeASteelRing->GetDz();

  barrel->AddNode(voflangeASteelRing, 1, new TGeoTranslation(0., 30., zPos));


  // The support ring on A Side

  TGeoTube* sideASuppRing = new TGeoTube(kAluminum2ndSectionOuterRadius, kSupportRingRmax, kSupportRingLength / 2.);


  TGeoVolume* vosideASuppRing = new TGeoVolume("sideASuppRing", sideASuppRing, kMedAlu2219);

  vosideASuppRing->SetLineColor(kBlue);

  zPos = aluSideA->GetZ(13) + 2 * flangeASteelRing->GetDz() - kSupportRingZpos - sideASuppRing->GetDz();

  barrel->AddNode(vosideASuppRing, 1, new TGeoTranslation(0., 30., zPos));


  //-------------------------------------------------


  //                                                                            //

  //                                  RB24/1                                    //

  //                                                                            //

  //

  //

  // Drawing LHCVC2U_0001

  // Copper Tube RB24/1      393.5 cm

  // Warm module VMACA        18.0 cm

  // Annular Ion Pump         35.0 cm

  // Valve                     7.5 cm

  // Warm module VMABC        28.0 cm

  // ================================

  //                         462.0 cm

  //


  // Copper Tube RB24/1

  const Float_t kRB24CuTubeL = 381.5;

  const Float_t kRB24cCuTubeL = 155.775 - 150.;

  const Float_t kRB24bCuTubeL = kRB24CuTubeL - kRB24cCuTubeL;

  const Float_t kRB24CuTubeRi = 8.0 / 2.;

  const Float_t kRB24CuTubeRo = 8.4 / 2.;

  const Float_t kRB24CuTubeFRo = 7.6;

  const Float_t kRB24CuTubeFL = 1.86;

  const Float_t kRB24CL = 2. * 597.9 - 150.;

  //

  // introduce cut at end of barrel 714.6m

  //

  // barrel part

  TGeoVolume* voRB24CuTubeM =

    new TGeoVolume("voRB24CuTubeM", new TGeoTube(0., kRB24CuTubeRo, kRB24bCuTubeL / 2.), kMedVac);

  voRB24CuTubeM->SetVisibility(0);

  TGeoVolume* voRB24CuTube =

    new TGeoVolume("voRB24CuTube", new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB24bCuTubeL / 2.), kMedCu);

  voRB24CuTubeM->AddNode(voRB24CuTube, 1, gGeoIdentity);

  // outside barrel

  TGeoVolume* voRB24cCuTubeM =

    new TGeoVolume("voRB24cCuTubeM", new TGeoTube(0., kRB24CuTubeRo, kRB24cCuTubeL / 2.), kMedVacNFHC);

  voRB24CuTubeM->SetVisibility(0);

  TGeoVolume* voRB24cCuTube =

    new TGeoVolume("voRB24cCuTube", new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB24cCuTubeL / 2.), kMedCuNFHC);

  voRB24cCuTubeM->AddNode(voRB24cCuTube, 1, gGeoIdentity);


  // Air outside tube with higher transport cuts

  TGeoVolume* voRB24CuTubeA = new TGeoVolume("voRB24CuTubeA", new TGeoTube(79., 80., kRB24bCuTubeL / 2.), kMedAirHigh);

  voRB24CuTubeA->SetVisibility(0);


  // Simplified DN 100 Flange

  TGeoVolume* voRB24CuTubeF =

    new TGeoVolume("voRB24CuTubeF", new TGeoTube(kRB24CuTubeRo, kRB24CuTubeFRo, kRB24CuTubeFL / 2.), kMedSteelNF);


  // Warm Module Type VMACA

  // LHCVMACA_0002

  //

  // Pos 1 Warm Bellows DN100       LHCVBU__0012

  // Pos 2 RF Contact   D80         LHCVSR__0005

  // Pos 3 Trans. Tube Flange       LHCVSR__0065

  // [Pos 4 Hex. Countersunk Screw   Bossard BN4719]

  // [Pos 5 Tension spring           LHCVSR__0011]

  //

  //

  //

  // Pos1    Warm Bellows DN100

  // Pos1.1  Bellows                  LHCVBU__0006

  //

  //

  // Connection Tubes

  // Connection tube inner r

  const Float_t kRB24B1ConTubeRin = 10.0 / 2.;

  // Connection tube outer r

  const Float_t kRB24B1ConTubeRou = 10.3 / 2.;

  // Connection tube length

  const Float_t kRB24B1ConTubeL = 2.5;

  //

  const Float_t kRB24B1CompL = 16.375;        // Length of the compensator

  const Float_t kRB24B1BellowRi = 10.25 / 2.; // Bellow inner radius

  const Float_t kRB24B1BellowRo = 11.40 / 2.; // Bellow outer radius

  const Int_t kRB24B1NumberOfPlies = 27;      // Number of plies

  const Float_t kRB24B1BellowUndL = 11.00;    // Length of undulated region

  const Float_t kRB24B1PlieThickness = 0.015; // Plie thickness


  const Float_t kRB24B1PlieRadius =

    (kRB24B1BellowUndL + (2. * kRB24B1NumberOfPlies - 2.) * kRB24B1PlieThickness) / (4. * kRB24B1NumberOfPlies);


  const Float_t kRB24B1ProtTubeThickness = 0.02; // Thickness of the protection tube

  const Float_t kRB24B1ProtTubeLength = 4.2;     // Length of the protection tube


  const Float_t kRB24B1RFlangeL = 1.86;         // Length of the flanges

  const Float_t kRB24B1RFlangeLO = 0.26;        // Flange overlap

  const Float_t kRB24B1RFlangeRO = 11.18 / 2;   // Inner radius at Flange overlap

  const Float_t kRB24B1RFlangeRou = 15.20 / 2.; // Outer radius of flange

  const Float_t kRB24B1RFlangeRecess = 0.98;    // Flange recess

  const Float_t kRB24B1L = kRB24B1CompL + 2. * (kRB24B1RFlangeL - kRB24B1RFlangeRecess);


  //

  // Bellow Section

  TGeoVolume* voRB24B1Bellow = MakeBellow("RB24B1", kRB24B1NumberOfPlies, kRB24B1BellowRi, kRB24B1BellowRo,

                                          kRB24B1BellowUndL, kRB24B1PlieRadius, kRB24B1PlieThickness);

  voRB24B1Bellow->SetVisibility(0);

  Float_t newRB24B1BellowUndL = 2 * (static_cast<TGeoTube*>(voRB24B1Bellow->GetShape()))->GetDz();


  //

  // Bellow mother volume

  TGeoPcon* shRB24B1BellowM = new TGeoPcon(0., 360., 12);

  // Connection Tube and Flange

  z = 0.;

  shRB24B1BellowM->DefineSection(0, z, 0., kRB24B1RFlangeRou);

  z += kRB24B1RFlangeLO;

  shRB24B1BellowM->DefineSection(1, z, 0., kRB24B1RFlangeRou);

  z = kRB24B1RFlangeL;

  shRB24B1BellowM->DefineSection(2, z, 0., kRB24B1RFlangeRou);

  shRB24B1BellowM->DefineSection(3, z, 0., kRB24B1ConTubeRou);

  z = kRB24B1ConTubeL + kRB24B1RFlangeL - kRB24B1RFlangeRecess;

  shRB24B1BellowM->DefineSection(4, z, 0., kRB24B1ConTubeRou);

  // Plie

  shRB24B1BellowM->DefineSection(5, z, 0., kRB24B1BellowRo + kRB24B1ProtTubeThickness);

  z += newRB24B1BellowUndL;

  shRB24B1BellowM->DefineSection(6, z, 0., kRB24B1BellowRo + kRB24B1ProtTubeThickness);

  shRB24B1BellowM->DefineSection(7, z, 0., kRB24B1ConTubeRou);

  // Connection Tube and Flange

  z = kRB24B1L - shRB24B1BellowM->GetZ(3);

  shRB24B1BellowM->DefineSection(8, z, 0., kRB24B1ConTubeRou);

  shRB24B1BellowM->DefineSection(9, z, 0., kRB24B1RFlangeRou);

  z = kRB24B1L - shRB24B1BellowM->GetZ(1);

  shRB24B1BellowM->DefineSection(10, z, 0., kRB24B1RFlangeRou);

  z = kRB24B1L - shRB24B1BellowM->GetZ(0);

  shRB24B1BellowM->DefineSection(11, z, 0., kRB24B1RFlangeRou);


  TGeoVolume* voRB24B1BellowM = new TGeoVolume("RB24B1BellowM", shRB24B1BellowM, kMedVacNF);

  voRB24B1BellowM->SetVisibility(0);

  //

  // End Parts (connection tube)

  TGeoVolume* voRB24B1CT =

    new TGeoVolume("RB24B1CT", new TGeoTube(kRB24B1ConTubeRin, kRB24B1ConTubeRou, kRB24B1ConTubeL / 2.), kMedSteelNF);

  //

  // Protection Tube

  TGeoVolume* voRB24B1PT = new TGeoVolume(

    "RB24B1PT", new TGeoTube(kRB24B1BellowRo, kRB24B1BellowRo + kRB24B1ProtTubeThickness, kRB24B1ProtTubeLength / 2.),

    kMedSteelNF);


  z = kRB24B1ConTubeL / 2. + (kRB24B1RFlangeL - kRB24B1RFlangeRecess);


  voRB24B1BellowM->AddNode(voRB24B1CT, 1, new TGeoTranslation(0., 0., z));

  z += (kRB24B1ConTubeL / 2. + newRB24B1BellowUndL / 2.);

  voRB24B1BellowM->AddNode(voRB24B1Bellow, 1, new TGeoTranslation(0., 0., z));

  z += (newRB24B1BellowUndL / 2. + kRB24B1ConTubeL / 2);

  voRB24B1BellowM->AddNode(voRB24B1CT, 2, new TGeoTranslation(0., 0., z));

  z = kRB24B1ConTubeL + kRB24B1ProtTubeLength / 2. + 1. + kRB24B1RFlangeLO;

  voRB24B1BellowM->AddNode(voRB24B1PT, 1, new TGeoTranslation(0., 0., z));

  z += kRB24B1ProtTubeLength + 0.6;

  voRB24B1BellowM->AddNode(voRB24B1PT, 2, new TGeoTranslation(0., 0., z));


  // Pos 1/2 Rotatable Flange         LHCVBU__0013

  // Pos 1/3 Flange DN100/103         LHCVBU__0018

  // The two flanges can be represented by the same volume

  // Outer Radius (including the outer movable ring).

  // The inner ring has a diameter of 12.04 cm


  TGeoPcon* shRB24B1RFlange = new TGeoPcon(0., 360., 10);

  z = 0.;

  shRB24B1RFlange->DefineSection(0, z, 10.30 / 2., kRB24B1RFlangeRou);

  z += 0.55; // 5.5 mm added for outer ring

  z += 0.43;

  shRB24B1RFlange->DefineSection(1, z, 10.30 / 2., kRB24B1RFlangeRou);

  shRB24B1RFlange->DefineSection(2, z, 10.06 / 2., kRB24B1RFlangeRou);

  z += 0.15;

  shRB24B1RFlange->DefineSection(3, z, 10.06 / 2., kRB24B1RFlangeRou);

  // In reality this part is rounded

  shRB24B1RFlange->DefineSection(4, z, 10.91 / 2., kRB24B1RFlangeRou);

  z += 0.15;

  shRB24B1RFlange->DefineSection(5, z, 10.91 / 2., kRB24B1RFlangeRou);

  shRB24B1RFlange->DefineSection(6, z, 10.06 / 2., kRB24B1RFlangeRou);

  z += 0.32;

  shRB24B1RFlange->DefineSection(7, z, 10.06 / 2., kRB24B1RFlangeRou);

  shRB24B1RFlange->DefineSection(8, z, kRB24B1RFlangeRO, kRB24B1RFlangeRou);

  z += kRB24B1RFlangeLO;

  shRB24B1RFlange->DefineSection(9, z, kRB24B1RFlangeRO, kRB24B1RFlangeRou);


  TGeoVolume* voRB24B1RFlange = new TGeoVolume("RB24B1RFlange", shRB24B1RFlange, kMedSteelNF);


  z = kRB24B1L - kRB24B1RFlangeL;

  voRB24B1BellowM->AddNode(voRB24B1RFlange, 1, new TGeoTranslation(0., 0., z));

  z = kRB24B1RFlangeL;

  voRB24B1BellowM->AddNode(voRB24B1RFlange, 2, new TGeoCombiTrans(0., 0., z, rot180));

  //

  // Pos 2 RF Contact   D80         LHCVSR__0005

  //

  // Pos 2.1 RF Contact Flange      LHCVSR__0003

  //

  TGeoPcon* shRB24B1RCTFlange = new TGeoPcon(0., 360., 6);

  const Float_t kRB24B1RCTFlangeRin = 8.06 / 2. + 0.05; // Inner radius

  const Float_t kRB24B1RCTFlangeL = 1.45;               // Length


  z = 0.;

  shRB24B1RCTFlange->DefineSection(0, z, kRB24B1RCTFlangeRin, 8.20 / 2.);

  z += 0.15;

  shRB24B1RCTFlange->DefineSection(1, z, kRB24B1RCTFlangeRin, 8.20 / 2.);

  shRB24B1RCTFlange->DefineSection(2, z, kRB24B1RCTFlangeRin, 8.60 / 2.);

  z += 1.05;

  shRB24B1RCTFlange->DefineSection(3, z, kRB24B1RCTFlangeRin, 8.60 / 2.);

  shRB24B1RCTFlange->DefineSection(4, z, kRB24B1RCTFlangeRin, 11.16 / 2.);

  z += 0.25;

  shRB24B1RCTFlange->DefineSection(5, z, kRB24B1RCTFlangeRin, 11.16 / 2.);

  TGeoVolume* voRB24B1RCTFlange = new TGeoVolume("RB24B1RCTFlange", shRB24B1RCTFlange, kMedCuNF);

  z = kRB24B1L - kRB24B1RCTFlangeL;


  voRB24B1BellowM->AddNode(voRB24B1RCTFlange, 1, new TGeoTranslation(0., 0., z));

  //

  // Pos 2.2 RF-Contact        LHCVSR__0004

  //

  TGeoPcon* shRB24B1RCT = new TGeoPcon(0., 360., 3);

  const Float_t kRB24B1RCTRin = 8.00 / 2.;  // Inner radius

  const Float_t kRB24B1RCTCRin = 8.99 / 2.; // Max. inner radius conical section

  const Float_t kRB24B1RCTL = 11.78;        // Length

  const Float_t kRB24B1RCTSL = 10.48;       // Length of straight section

  const Float_t kRB24B1RCTd = 0.03;         // Thickness


  z = 0;

  shRB24B1RCT->DefineSection(0, z, kRB24B1RCTCRin, kRB24B1RCTCRin + kRB24B1RCTd);

  z = kRB24B1RCTL - kRB24B1RCTSL;

  // In the (VSR0004) this section is straight in (LHCVC2U_0001) it is conical ????

  shRB24B1RCT->DefineSection(1, z, kRB24B1RCTRin + 0.35, kRB24B1RCTRin + 0.35 + kRB24B1RCTd);

  z = kRB24B1RCTL - 0.03;

  shRB24B1RCT->DefineSection(2, z, kRB24B1RCTRin, kRB24B1RCTRin + kRB24B1RCTd);


  TGeoVolume* voRB24B1RCT = new TGeoVolume("RB24B1RCT", shRB24B1RCT, kMedCuNF);

  z = kRB24B1L - kRB24B1RCTL - 0.45;

  voRB24B1BellowM->AddNode(voRB24B1RCT, 1, new TGeoTranslation(0., 0., z));


  //

  // Pos 3 Trans. Tube Flange       LHCVSR__0065

  //

  // Pos 3.1 Transition Tube D53    LHCVSR__0064

  // Pos 3.2 Transition Flange      LHCVSR__0060

  // Pos 3.3 Transition Tube        LHCVSR__0058

  TGeoPcon* shRB24B1TTF = new TGeoPcon(0., 360., 7);

  // Flange

  z = 0.;

  shRB24B1TTF->DefineSection(0, z, 6.30 / 2., 11.16 / 2.);

  z += 0.25;

  shRB24B1TTF->DefineSection(1, z, 6.30 / 2., 11.16 / 2.);

  shRB24B1TTF->DefineSection(2, z, 6.30 / 2., 9.3 / 2.);

  z += 0.55;

  shRB24B1TTF->DefineSection(3, z, 6.30 / 2., 9.3 / 2.);

  // Tube

  shRB24B1TTF->DefineSection(4, z, 6.30 / 2., 6.7 / 2.);

  z += 5.80;

  shRB24B1TTF->DefineSection(5, z, 6.30 / 2., 6.7 / 2.);

  // Transition Tube

  z += 3.75;

  shRB24B1TTF->DefineSection(6, z, 8.05 / 2., 8.45 / 2.);

  TGeoVolume* voRB24B1TTF = new TGeoVolume("RB24B1TTF", shRB24B1TTF, kMedSteelNF);

  z = 0.;

  voRB24B1BellowM->AddNode(voRB24B1TTF, 1, new TGeoTranslation(0., 0., z));


  // Annular Ion Pump

  // LHCVC2U_0003

  //

  // Pos  1 Rotable Flange         LHCVFX__0031

  // Pos  2 RF Screen Tube         LHCVC2U_0005

  // Pos  3 Shell                  LHCVC2U_0007

  // Pos  4 Extruded Shell         LHCVC2U_0006

  // Pos  5 Feedthrough Tube       LHCVC2U_0004

  // Pos  6 Tubulated Flange       STDVFUHV0021

  // Pos  7 Fixed Flange           LHCVFX__0032

  // Pos  8 Pumping Elements


  //

  // Pos 1 Rotable Flange          LHCVFX__0031

  // pos 7 Fixed Flange            LHCVFX__0032

  //

  //  Mother volume

  const Float_t kRB24AIpML = 35.;


  //  TGeoVolume* voRB24AIpM = new TGeoVolume("voRB24AIpM", new TGeoTube(0., 10., kRB24AIpML/2.), kMedAir);

  TGeoVolume* voRB24AIpM = new TGeoVolumeAssembly("voRB24AIpM");

  voRB24AIpM->SetVisibility(0);


  //

  // Length 35 cm

  // Flange 2 x 1.98 =   3.96

  // Tube            =  32.84

  //==========================

  //                    36.80

  // Overlap 2 * 0.90 =  1.80


  const Float_t kRB24IpRFD1 = 0.68; // Length of section 1

  const Float_t kRB24IpRFD2 = 0.30; // Length of section 2

  const Float_t kRB24IpRFD3 = 0.10; // Length of section 3

  const Float_t kRB24IpRFD4 = 0.35; // Length of section 4

  const Float_t kRB24IpRFD5 = 0.55; // Length of section 5


  const Float_t kRB24IpRFRo = 15.20 / 2.;  // Flange outer radius

  const Float_t kRB24IpRFRi1 = 6.30 / 2.;  // Flange inner radius section 1

  const Float_t kRB24IpRFRi2 = 6.00 / 2.;  // Flange inner radius section 2

  const Float_t kRB24IpRFRi3 = 5.84 / 2.;  // Flange inner radius section 3

  const Float_t kRB24IpRFRi4 = 6.00 / 2.;  // Flange inner radius section 1

  const Float_t kRB24IpRFRi5 = 10.50 / 2.; // Flange inner radius section 2


  TGeoPcon* shRB24IpRF = new TGeoPcon(0., 360., 9);

  z0 = 0.;

  shRB24IpRF->DefineSection(0, z0, kRB24IpRFRi1, kRB24IpRFRo);

  z0 += kRB24IpRFD1;

  shRB24IpRF->DefineSection(1, z0, kRB24IpRFRi2, kRB24IpRFRo);

  z0 += kRB24IpRFD2;

  shRB24IpRF->DefineSection(2, z0, kRB24IpRFRi2, kRB24IpRFRo);

  shRB24IpRF->DefineSection(3, z0, kRB24IpRFRi3, kRB24IpRFRo);

  z0 += kRB24IpRFD3;

  shRB24IpRF->DefineSection(4, z0, kRB24IpRFRi3, kRB24IpRFRo);

  shRB24IpRF->DefineSection(5, z0, kRB24IpRFRi4, kRB24IpRFRo);

  z0 += kRB24IpRFD4;

  shRB24IpRF->DefineSection(6, z0, kRB24IpRFRi4, kRB24IpRFRo);

  shRB24IpRF->DefineSection(7, z0, kRB24IpRFRi5, kRB24IpRFRo);

  z0 += kRB24IpRFD5;

  shRB24IpRF->DefineSection(8, z0, kRB24IpRFRi5, kRB24IpRFRo);


  TGeoVolume* voRB24IpRF = new TGeoVolume("RB24IpRF", shRB24IpRF, kMedSteel);


  //

  // Pos  2 RF Screen Tube         LHCVC2U_0005

  //


  //

  // Tube

  Float_t kRB24IpSTTL = 32.84;      // Total length of the tube

  Float_t kRB24IpSTTRi = 5.80 / 2.; // Inner Radius

  Float_t kRB24IpSTTRo = 6.00 / 2.; // Outer Radius

  TGeoVolume* voRB24IpSTT =

    new TGeoVolume("RB24IpSTT", new TGeoTube(kRB24IpSTTRi, kRB24IpSTTRo, kRB24IpSTTL / 2.), kMedSteelNF);

  // Screen

  Float_t kRB24IpSTCL = 0.4; // Lenth of the crochet detail

  // Length of the screen

  Float_t kRB24IpSTSL = 9.00 - 2. * kRB24IpSTCL;

  // Rel. position of the screen

  Float_t kRB24IpSTSZ = 7.00 + kRB24IpSTCL;

  TGeoVolume* voRB24IpSTS =

    new TGeoVolume("RB24IpSTS", new TGeoTube(kRB24IpSTTRi, kRB24IpSTTRo, kRB24IpSTSL / 2.), kMedSteelNF);

  // Vacuum

  TGeoVolume* voRB24IpSTV = new TGeoVolume("RB24IpSTV", new TGeoTube(0., kRB24IpSTTRi, kRB24AIpML / 2.), kMedVacNF);

  //

  voRB24IpSTT->AddNode(voRB24IpSTS, 1, new TGeoTranslation(0., 0., kRB24IpSTSZ - kRB24IpSTTL / 2. + kRB24IpSTSL / 2.));


  // Crochets

  // Inner radius

  Float_t kRB24IpSTCRi = kRB24IpSTTRo + 0.25;

  // Outer radius

  Float_t kRB24IpSTCRo = kRB24IpSTTRo + 0.35;

  // Length of 1stsection

  Float_t kRB24IpSTCL1 = 0.15;

  // Length of 2nd section

  Float_t kRB24IpSTCL2 = 0.15;

  // Length of 3rd section

  Float_t kRB24IpSTCL3 = 0.10;

  // Rel. position of 1st Crochet


  TGeoPcon* shRB24IpSTC = new TGeoPcon(0., 360., 5);

  z0 = 0;

  shRB24IpSTC->DefineSection(0, z0, kRB24IpSTCRi, kRB24IpSTCRo);

  z0 += kRB24IpSTCL1;

  shRB24IpSTC->DefineSection(1, z0, kRB24IpSTCRi, kRB24IpSTCRo);

  shRB24IpSTC->DefineSection(2, z0, kRB24IpSTTRo, kRB24IpSTCRo);

  z0 += kRB24IpSTCL2;

  shRB24IpSTC->DefineSection(3, z0, kRB24IpSTTRo, kRB24IpSTCRo);

  z0 += kRB24IpSTCL3;

  shRB24IpSTC->DefineSection(4, z0, kRB24IpSTTRo, kRB24IpSTTRo + 0.001);

  TGeoVolume* voRB24IpSTC = new TGeoVolume("RB24IpSTC", shRB24IpSTC, kMedSteel);


  // Pos  3 Shell                  LHCVC2U_0007

  // Pos  4 Extruded Shell         LHCVC2U_0006

  Float_t kRB24IpShellL = 4.45;          // Length of the Shell

  Float_t kRB24IpShellD = 0.10;          // Wall thickness of the shell

  Float_t kRB24IpShellCTRi = 6.70 / 2.;  // Inner radius of the connection tube

  Float_t kRB24IpShellCTL = 1.56;        // Length of the connection tube

  Float_t kRB24IpShellCARi = 17.80 / 2.; // Inner radius of the cavity

  Float_t kRB24IpShellCCRo = 18.20 / 2.; // Inner radius at the centre


  TGeoPcon* shRB24IpShell = new TGeoPcon(0., 360., 7);

  z0 = 0;

  shRB24IpShell->DefineSection(0, z0, kRB24IpShellCTRi, kRB24IpShellCTRi + kRB24IpShellD);

  z0 += kRB24IpShellCTL;

  shRB24IpShell->DefineSection(1, z0, kRB24IpShellCTRi, kRB24IpShellCTRi + kRB24IpShellD);

  shRB24IpShell->DefineSection(2, z0, kRB24IpShellCTRi, kRB24IpShellCARi + kRB24IpShellD);

  z0 += kRB24IpShellD;

  shRB24IpShell->DefineSection(3, z0, kRB24IpShellCARi, kRB24IpShellCARi + kRB24IpShellD);

  z0 = kRB24IpShellL - kRB24IpShellD;

  shRB24IpShell->DefineSection(4, z0, kRB24IpShellCARi, kRB24IpShellCARi + kRB24IpShellD);

  shRB24IpShell->DefineSection(5, z0, kRB24IpShellCARi, kRB24IpShellCCRo);

  z0 = kRB24IpShellL;

  shRB24IpShell->DefineSection(6, z0, kRB24IpShellCARi, kRB24IpShellCCRo);

  TGeoVolume* voRB24IpShell = new TGeoVolume("RB24IpShell", shRB24IpShell, kMedSteel);


  TGeoPcon* shRB24IpShellM = MakeMotherFromTemplate(shRB24IpShell, 0, 6, kRB24IpShellCTRi, 13);


  for (Int_t i = 0; i < 6; i++) {

    z = 2. * kRB24IpShellL - shRB24IpShellM->GetZ(5 - i);

    Float_t rmin = shRB24IpShellM->GetRmin(5 - i);

    Float_t rmax = shRB24IpShellM->GetRmax(5 - i);

    shRB24IpShellM->DefineSection(7 + i, z, rmin, rmax);

  }


  TGeoVolume* voRB24IpShellM = new TGeoVolume("RB24IpShellM", shRB24IpShellM, kMedVac);

  voRB24IpShellM->SetVisibility(0);

  voRB24IpShellM->AddNode(voRB24IpShell, 1, gGeoIdentity);

  voRB24IpShellM->AddNode(voRB24IpShell, 2, new TGeoCombiTrans(0., 0., 2. * kRB24IpShellL, rot180));

  //

  // Pos  8 Pumping Elements

  //

  //  Anode array

  TGeoVolume* voRB24IpPE = new TGeoVolume("voRB24IpPE", new TGeoTube(0.9, 1., 2.54 / 2.), kMedSteel);

  Float_t kRB24IpPEAR = 5.5;


  for (Int_t i = 0; i < 15; i++) {

    Float_t phi = Float_t(i) * 24.;

    Float_t x = kRB24IpPEAR * TMath::Cos(kDegRad * phi);

    Float_t y = kRB24IpPEAR * TMath::Sin(kDegRad * phi);

    voRB24IpShellM->AddNode(voRB24IpPE, i + 1, new TGeoTranslation(x, y, kRB24IpShellL));

  }


  //

  //  Cathodes

  //

  // Here we could add some Ti strips


  // Postioning of elements

  voRB24AIpM->AddNode(voRB24IpRF, 1, new TGeoTranslation(0., 0., -kRB24AIpML / 2.));

  voRB24AIpM->AddNode(voRB24IpRF, 2, new TGeoCombiTrans(0., 0., +kRB24AIpML / 2., rot180));

  voRB24AIpM->AddNode(voRB24IpSTT, 1, new TGeoTranslation(0., 0., 0.));

  voRB24AIpM->AddNode(voRB24IpSTV, 1, new TGeoTranslation(0., 0., 0.));

  voRB24AIpM->AddNode(voRB24IpShellM, 1, new TGeoTranslation(0., 0., -kRB24AIpML / 2. + 8.13));

  voRB24AIpM->AddNode(voRB24IpSTC, 1, new TGeoTranslation(0., 0., 8.13 - kRB24AIpML / 2.));

  voRB24AIpM->AddNode(voRB24IpSTC, 2, new TGeoCombiTrans(0., 0., 8.14 + 8.9 - kRB24AIpML / 2., rot180));


  //

  // Valve

  // VAC Series 47 DN 63 with manual actuator

  //

  const Float_t kRB24ValveWz = 7.5;

  const Float_t kRB24ValveDN = 10.0 / 2.;

  //

  //  Body containing the valve plate

  //

  const Float_t kRB24ValveBoWx = 15.6;

  const Float_t kRB24ValveBoWy = (21.5 + 23.1 - 5.);

  const Float_t kRB24ValveBoWz = 4.6;

  const Float_t kRB24ValveBoD = 0.5;


  TGeoVolume* voRB24ValveBoM = new TGeoVolume(

    "RB24ValveBoM", new TGeoBBox(kRB24ValveBoWx / 2., kRB24ValveBoWy / 2., kRB24ValveBoWz / 2.), kMedAir);

  voRB24ValveBoM->SetVisibility(0);

  TGeoVolume* voRB24ValveBo = new TGeoVolume(

    "RB24ValveBo", new TGeoBBox(kRB24ValveBoWx / 2., kRB24ValveBoWy / 2., kRB24ValveBoWz / 2.), kMedSteel);

  voRB24ValveBoM->AddNode(voRB24ValveBo, 1, gGeoIdentity);

  //

  // Inner volume

  //

  TGeoVolume* voRB24ValveBoI = new TGeoVolume(

    "RB24ValveBoI", new TGeoBBox(kRB24ValveBoWx / 2. - kRB24ValveBoD, kRB24ValveBoWy / 2. - kRB24ValveBoD / 2., kRB24ValveBoWz / 2. - kRB24ValveBoD),

    kMedVac);

  voRB24ValveBo->AddNode(voRB24ValveBoI, 1, new TGeoTranslation(0., kRB24ValveBoD / 2., 0.));

  //

  // Opening and Flanges

  const Float_t kRB24ValveFlRo = 18. / 2.;

  const Float_t kRB24ValveFlD = 1.45;

  TGeoVolume* voRB24ValveBoA =

    new TGeoVolume("RB24ValveBoA", new TGeoTube(0., kRB24ValveDN / 2., kRB24ValveBoD / 2.), kMedVac);

  voRB24ValveBo->AddNode(

    voRB24ValveBoA, 1, new TGeoTranslation(0., -kRB24ValveBoWy / 2. + 21.5, -kRB24ValveBoWz / 2. + kRB24ValveBoD / 2.));

  voRB24ValveBo->AddNode(

    voRB24ValveBoA, 2, new TGeoTranslation(0., -kRB24ValveBoWy / 2. + 21.5, +kRB24ValveBoWz / 2. - kRB24ValveBoD / 2.));


  TGeoVolume* voRB24ValveFl =

    new TGeoVolume("RB24ValveFl", new TGeoTube(kRB24ValveDN / 2., kRB24ValveFlRo, kRB24ValveFlD / 2.), kMedSteel);

  TGeoVolume* voRB24ValveFlI =

    new TGeoVolume("RB24ValveFlI", new TGeoTube(0., kRB24ValveFlRo, kRB24ValveFlD / 2.), kMedVac);

  voRB24ValveFlI->AddNode(voRB24ValveFl, 1, gGeoIdentity);


  //

  // Actuator Flange

  const Float_t kRB24ValveAFlWx = 18.9;

  const Float_t kRB24ValveAFlWy = 5.0;

  const Float_t kRB24ValveAFlWz = 7.7;

  TGeoVolume* voRB24ValveAFl = new TGeoVolume(

    "RB24ValveAFl", new TGeoBBox(kRB24ValveAFlWx / 2., kRB24ValveAFlWy / 2., kRB24ValveAFlWz / 2.), kMedSteel);

  //

  // Actuator Tube

  const Float_t kRB24ValveATRo = 9.7 / 2.;

  const Float_t kRB24ValveATH = 16.6;

  TGeoVolume* voRB24ValveAT = new TGeoVolume(

    "RB24ValveAT", new TGeoTube(kRB24ValveATRo - 2. * kRB24ValveBoD, kRB24ValveATRo, kRB24ValveATH / 2.), kMedSteel);

  //

  // Manual Actuator (my best guess)

  TGeoVolume* voRB24ValveMA1 = new TGeoVolume("RB24ValveMA1", new TGeoCone(2.5 / 2., 0., 0.5, 4.5, 5.), kMedSteel);

  TGeoVolume* voRB24ValveMA2 = new TGeoVolume("RB24ValveMA2", new TGeoTorus(5., 0., 1.25), kMedSteel);

  TGeoVolume* voRB24ValveMA3 = new TGeoVolume("RB24ValveMA3", new TGeoTube(0., 1.25, 2.5), kMedSteel);


  //

  // Position all volumes

  Float_t y0;

  TGeoVolumeAssembly* voRB24ValveMo = new TGeoVolumeAssembly("RB24ValveMo");

  voRB24ValveMo->AddNode(voRB24ValveFlI, 1, new TGeoTranslation(0., 0., -7.5 / 2. + kRB24ValveFlD / 2.));

  voRB24ValveMo->AddNode(voRB24ValveFlI, 2, new TGeoTranslation(0., 0., +7.5 / 2. - kRB24ValveFlD / 2.));

  y0 = -21.5;

  voRB24ValveMo->AddNode(voRB24ValveBoM, 1, new TGeoTranslation(0., y0 + kRB24ValveBoWy / 2., 0.));

  y0 += kRB24ValveBoWy;

  voRB24ValveMo->AddNode(voRB24ValveAFl, 1, new TGeoTranslation(0., y0 + kRB24ValveAFlWy / 2., 0.));

  y0 += kRB24ValveAFlWy;

  voRB24ValveMo->AddNode(voRB24ValveAT, 1, new TGeoCombiTrans(0., y0 + kRB24ValveATH / 2., 0., rotyz));

  y0 += kRB24ValveATH;

  voRB24ValveMo->AddNode(voRB24ValveMA1, 1, new TGeoCombiTrans(0., y0 + 2.5 / 2., 0., rotyz));

  y0 += 2.5;

  voRB24ValveMo->AddNode(voRB24ValveMA2, 1, new TGeoCombiTrans(0., y0 + 2.5 / 2., 0., rotyz));

  y0 += 2.5;

  voRB24ValveMo->AddNode(voRB24ValveMA3, 1,

                         new TGeoCombiTrans(5. / TMath::Sqrt(2.), y0 + 5.0 / 2., 5. / TMath::Sqrt(2.), rotyz));

  //

  // Warm Module Type VMABC

  // LHCVMABC_0002

  //

  //

  //

  // Flange                  1.00

  // Central Piece          11.50

  // Bellow                 14.50

  // End Flange              1.00

  //===================================

  // Total                  28.00

  //

  // Pos 1 Warm Bellows DN100       LHCVBU__0016

  // Pos 2 Trans. Tube Flange       LHCVSR__0062

  // Pos 3 RF Contact   D63         LHCVSR__0057

  // [Pos 4 Hex. Countersunk Screw   Bossard BN4719]

  // [Pos 5 Tension spring           LHCVSR__00239]

  //


  // Pos 1 Warm Bellows DN100                   LHCVBU__0016

  // Pos 1.1 Right Body 2 Ports with Support    LHCVBU__0014

  //

  // Tube 1

  const Float_t kRB24VMABCRBT1Ri = 10.0 / 2.;

  const Float_t kRB24VMABCRBT1Ro = 10.3 / 2.;

  const Float_t kRB24VMABCRBT1L = 11.5;

  const Float_t kRB24VMABCRBT1L2 = 8.;

  const Float_t kRB24VMABCL = 28.375;


  TGeoTube* shRB24VMABCRBT1 = new TGeoTube(kRB24VMABCRBT1Ri, kRB24VMABCRBT1Ro, kRB24VMABCRBT1L / 2.);

  shRB24VMABCRBT1->SetName("RB24VMABCRBT1");

  TGeoTube* shRB24VMABCRBT1o = new TGeoTube(0., kRB24VMABCRBT1Ro, kRB24VMABCRBT1L / 2.);

  shRB24VMABCRBT1o->SetName("RB24VMABCRBT1o");

  TGeoTube* shRB24VMABCRBT1o2 = new TGeoTube(0., kRB24VMABCRBT1Ro + 0.3, kRB24VMABCRBT1L / 2.);

  shRB24VMABCRBT1o2->SetName("RB24VMABCRBT1o2");

  // Lower inforcement

  TGeoVolume* voRB24VMABCRBT12 = new TGeoVolume(

    "RB24VMABCRBT12", new TGeoTubeSeg(kRB24VMABCRBT1Ro, kRB24VMABCRBT1Ro + 0.3, kRB24VMABCRBT1L2 / 2., 220., 320.),

    kMedSteelNF);

  //

  // Tube 2

  const Float_t kRB24VMABCRBT2Ri = 6.0 / 2.;

  const Float_t kRB24VMABCRBT2Ro = 6.3 / 2.;

  const Float_t kRB24VMABCRBF2Ro = 11.4 / 2.;

  const Float_t kRB24VMABCRBT2L = 5.95 + 2.; // 2. cm added for welding

  const Float_t kRB24VMABCRBF2L = 1.75;

  TGeoTube* shRB24VMABCRBT2 = new TGeoTube(kRB24VMABCRBT2Ri, kRB24VMABCRBT2Ro, kRB24VMABCRBT2L / 2.);

  shRB24VMABCRBT2->SetName("RB24VMABCRBT2");

  TGeoTube* shRB24VMABCRBT2i = new TGeoTube(0., kRB24VMABCRBT2Ri, kRB24VMABCRBT2L / 2. + 2.);

  shRB24VMABCRBT2i->SetName("RB24VMABCRBT2i");

  TGeoCombiTrans* tRBT2 = new TGeoCombiTrans(-11.5 + kRB24VMABCRBT2L / 2., 0., 7.2 - kRB24VMABCRBT1L / 2., rotxz);

  tRBT2->SetName("tRBT2");

  tRBT2->RegisterYourself();

  TGeoCompositeShape* shRB24VMABCRBT2c =

    new TGeoCompositeShape("shRB24VMABCRBT2c", "RB24VMABCRBT2:tRBT2-RB24VMABCRBT1o");

  TGeoVolume* voRB24VMABCRBT2 = new TGeoVolume("shRB24VMABCRBT2", shRB24VMABCRBT2c, kMedSteelNF);

  // Flange

  // Pos 1.4 Flange DN63                        LHCVBU__0008

  TGeoVolume* voRB24VMABCRBF2 =

    new TGeoVolume("RB24VMABCRBF2", new TGeoTube(kRB24VMABCRBT2Ro, kRB24VMABCRBF2Ro, kRB24VMABCRBF2L / 2.), kMedSteelNF);

  // DN63 Blank Flange (my best guess)

  TGeoVolume* voRB24VMABCRBF2B =

    new TGeoVolume("RB24VMABCRBF2B", new TGeoTube(0., kRB24VMABCRBF2Ro, kRB24VMABCRBF2L / 2.), kMedSteelNF);

  //

  // Tube 3

  const Float_t kRB24VMABCRBT3Ri = 3.5 / 2.;

  const Float_t kRB24VMABCRBT3Ro = 3.8 / 2.;

  const Float_t kRB24VMABCRBF3Ro = 7.0 / 2.;

  const Float_t kRB24VMABCRBT3L = 4.95 + 2.; // 2. cm added for welding

  const Float_t kRB24VMABCRBF3L = 1.27;

  TGeoTube* shRB24VMABCRBT3 = new TGeoTube(kRB24VMABCRBT3Ri, kRB24VMABCRBT3Ro, kRB24VMABCRBT3L / 2);

  shRB24VMABCRBT3->SetName("RB24VMABCRBT3");

  TGeoTube* shRB24VMABCRBT3i = new TGeoTube(0., kRB24VMABCRBT3Ri, kRB24VMABCRBT3L / 2. + 2.);

  shRB24VMABCRBT3i->SetName("RB24VMABCRBT3i");

  TGeoCombiTrans* tRBT3 = new TGeoCombiTrans(0., 10.5 - kRB24VMABCRBT3L / 2., 7.2 - kRB24VMABCRBT1L / 2., rotyz);

  tRBT3->SetName("tRBT3");

  tRBT3->RegisterYourself();

  TGeoCompositeShape* shRB24VMABCRBT3c =

    new TGeoCompositeShape("shRB24VMABCRBT3c", "RB24VMABCRBT3:tRBT3-RB24VMABCRBT1o");

  TGeoVolume* voRB24VMABCRBT3 = new TGeoVolume("shRB24VMABCRBT3", shRB24VMABCRBT3c, kMedSteel);

  // Flange

  // Pos 1.4 Flange DN35                        LHCVBU__0007

  TGeoVolume* voRB24VMABCRBF3 =

    new TGeoVolume("RB24VMABCRBF3", new TGeoTube(kRB24VMABCRBT3Ro, kRB24VMABCRBF3Ro, kRB24VMABCRBF3L / 2.), kMedSteelNF);

  //

  // Tube 4

  const Float_t kRB24VMABCRBT4Ri = 6.0 / 2.;

  const Float_t kRB24VMABCRBT4Ro = 6.4 / 2.;

  const Float_t kRB24VMABCRBT4L = 6.6;

  TGeoTube* shRB24VMABCRBT4 = new TGeoTube(kRB24VMABCRBT4Ri, kRB24VMABCRBT4Ro, kRB24VMABCRBT4L / 2.);

  shRB24VMABCRBT4->SetName("RB24VMABCRBT4");

  TGeoCombiTrans* tRBT4 = new TGeoCombiTrans(0., -11. + kRB24VMABCRBT4L / 2., 7.2 - kRB24VMABCRBT1L / 2., rotyz);

  tRBT4->SetName("tRBT4");

  tRBT4->RegisterYourself();

  TGeoCompositeShape* shRB24VMABCRBT4c =

    new TGeoCompositeShape("shRB24VMABCRBT4c", "RB24VMABCRBT4:tRBT4-RB24VMABCRBT1o2");

  TGeoVolume* voRB24VMABCRBT4 = new TGeoVolume("shRB24VMABCRBT4", shRB24VMABCRBT4c, kMedSteelNF);

  TGeoCompositeShape* shRB24VMABCRB =

    new TGeoCompositeShape("shRB24VMABCRB", "RB24VMABCRBT1-(RB24VMABCRBT2i:tRBT2+RB24VMABCRBT3i:tRBT3)");

  TGeoVolume* voRB24VMABCRBI = new TGeoVolume("RB24VMABCRBI", shRB24VMABCRB, kMedSteelNF);

  //

  // Plate

  const Float_t kRB24VMABCRBBx = 16.0;

  const Float_t kRB24VMABCRBBy = 1.5;

  const Float_t kRB24VMABCRBBz = 15.0;


  // Relative position of tubes

  const Float_t kRB24VMABCTz = 7.2;

  // Relative position of plate

  const Float_t kRB24VMABCPz = 3.6;

  const Float_t kRB24VMABCPy = -12.5;


  TGeoVolume* voRB24VMABCRBP = new TGeoVolume(

    "RB24VMABCRBP", new TGeoBBox(kRB24VMABCRBBx / 2., kRB24VMABCRBBy / 2., kRB24VMABCRBBz / 2.), kMedSteelNF);

  //

  // Pirani Gauge (my best guess)

  //

  TGeoPcon* shRB24VMABCPirani = new TGeoPcon(0., 360., 15);

  // DN35/16 Coupling

  z = 0;

  shRB24VMABCPirani->DefineSection(0, z, 0.8, kRB24VMABCRBF3Ro);

  z += kRB24VMABCRBF3L; // 1.3

  shRB24VMABCPirani->DefineSection(1, z, 0.8, kRB24VMABCRBF3Ro);

  shRB24VMABCPirani->DefineSection(2, z, 0.8, 1.0);

  // Pipe

  z += 2.8;

  shRB24VMABCPirani->DefineSection(3, z, 0.8, 1.0);

  // Flange

  shRB24VMABCPirani->DefineSection(4, z, 0.8, 1.75);

  z += 1.6;

  shRB24VMABCPirani->DefineSection(5, z, 0.8, 1.75);

  shRB24VMABCPirani->DefineSection(6, z, 0.8, 1.0);

  z += 5.2;

  shRB24VMABCPirani->DefineSection(7, z, 0.8, 1.0);

  shRB24VMABCPirani->DefineSection(8, z, 0.8, 2.5);

  z += 2.0;

  shRB24VMABCPirani->DefineSection(9, z, 0.80, 2.50);

  shRB24VMABCPirani->DefineSection(10, z, 1.55, 1.75);

  z += 5.7;

  shRB24VMABCPirani->DefineSection(11, z, 1.55, 1.75);

  shRB24VMABCPirani->DefineSection(11, z, 0.00, 1.75);

  z += 0.2;

  shRB24VMABCPirani->DefineSection(12, z, 0.00, 1.75);

  shRB24VMABCPirani->DefineSection(13, z, 0.00, 0.75);

  z += 0.5;

  shRB24VMABCPirani->DefineSection(14, z, 0.00, 0.75);

  TGeoVolume* voRB24VMABCPirani = new TGeoVolume("RB24VMABCPirani", shRB24VMABCPirani, kMedSteelNF);

  //

  //

  //


  //

  // Positioning of elements

  TGeoVolumeAssembly* voRB24VMABCRB = new TGeoVolumeAssembly("RB24VMABCRB");

  //

  voRB24VMABCRB->AddNode(voRB24VMABCRBI, 1, gGeoIdentity);

  // Plate

  voRB24VMABCRB->AddNode(voRB24VMABCRBP, 1,

                         new TGeoTranslation(0., kRB24VMABCPy + kRB24VMABCRBBy / 2.,

                                             kRB24VMABCRBBz / 2. - kRB24VMABCRBT1L / 2. + kRB24VMABCPz));

  // Tube 2

  voRB24VMABCRB->AddNode(voRB24VMABCRBT2, 1, gGeoIdentity);

  // Flange Tube 2

  voRB24VMABCRB->AddNode(voRB24VMABCRBF2, 1, new TGeoCombiTrans(kRB24VMABCPy + kRB24VMABCRBF2L / 2., 0., kRB24VMABCTz - kRB24VMABCRBT1L / 2., rotxz));

  // Blank Flange Tube 2

  voRB24VMABCRB->AddNode(voRB24VMABCRBF2B, 1, new TGeoCombiTrans(kRB24VMABCPy - kRB24VMABCRBF2L / 2., 0., kRB24VMABCTz - kRB24VMABCRBT1L / 2., rotxz));

  // Tube 3

  voRB24VMABCRB->AddNode(voRB24VMABCRBT3, 1, gGeoIdentity);

  // Flange Tube 3

  voRB24VMABCRB->AddNode(voRB24VMABCRBF3, 1, new TGeoCombiTrans(0., 11.2 - kRB24VMABCRBF3L / 2., kRB24VMABCTz - kRB24VMABCRBT1L / 2., rotyz));

  // Pirani Gauge

  voRB24VMABCRB->AddNode(voRB24VMABCPirani, 1,

                         new TGeoCombiTrans(0., 11.2, kRB24VMABCTz - kRB24VMABCRBT1L / 2., rotyz));

  // Tube 4

  voRB24VMABCRB->AddNode(voRB24VMABCRBT4, 1, gGeoIdentity);

  // Inforcement

  voRB24VMABCRB->AddNode(voRB24VMABCRBT12, 1,

                         new TGeoTranslation(0., 0., kRB24VMABCRBT1L2 / 2. - kRB24VMABCRBT1L / 2. + 2.8));


  // Pos 1.3 Bellows with end part              LHCVBU__0002

  //

  // Connection Tube

  // Connection tube inner r

  const Float_t kRB24VMABBEConTubeRin = 10.0 / 2.;

  // Connection tube outer r

  const Float_t kRB24VMABBEConTubeRou = 10.3 / 2.;

  // Connection tube length

  const Float_t kRB24VMABBEConTubeL1 = 0.9;

  const Float_t kRB24VMABBEConTubeL2 = 2.6;

  //  const Float_t RB24VMABBEBellowL            =  kRB24VMABBEConTubeL1 + kRB24VMABBEConTubeL2 + kRB24B1BellowUndL;


  // Mother volume

  TGeoPcon* shRB24VMABBEBellowM = new TGeoPcon(0., 360., 6);

  // Connection Tube and Flange

  z = 0.;

  shRB24VMABBEBellowM->DefineSection(0, z, kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou);

  z += kRB24VMABBEConTubeL1;

  shRB24VMABBEBellowM->DefineSection(1, z, kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou);

  shRB24VMABBEBellowM->DefineSection(2, z, kRB24B1BellowRi, kRB24B1BellowRo + kRB24B1ProtTubeThickness);

  z += newRB24B1BellowUndL;

  shRB24VMABBEBellowM->DefineSection(3, z, kRB24B1BellowRi, kRB24B1BellowRo + kRB24B1ProtTubeThickness);

  shRB24VMABBEBellowM->DefineSection(4, z, kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou);

  z += kRB24VMABBEConTubeL2;

  shRB24VMABBEBellowM->DefineSection(5, z, kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou);

  TGeoVolume* voRB24VMABBEBellowM = new TGeoVolume("RB24VMABBEBellowM", shRB24VMABBEBellowM, kMedVacNF);

  voRB24VMABBEBellowM->SetVisibility(0);


  //  Connection tube left

  TGeoVolume* voRB24VMABBECT1 = new TGeoVolume(

    "RB24VMABBECT1", new TGeoTube(kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou, kRB24VMABBEConTubeL1 / 2.), kMedSteelNF);

  //  Connection tube right

  TGeoVolume* voRB24VMABBECT2 = new TGeoVolume(

    "RB24VMABBECT2", new TGeoTube(kRB24VMABBEConTubeRin, kRB24VMABBEConTubeRou, kRB24VMABBEConTubeL2 / 2.), kMedSteelNF);

  z = kRB24VMABBEConTubeL1 / 2.;

  voRB24VMABBEBellowM->AddNode(voRB24VMABBECT1, 1, new TGeoTranslation(0., 0., z));

  z += kRB24VMABBEConTubeL1 / 2.;

  z += newRB24B1BellowUndL / 2.;

  voRB24VMABBEBellowM->AddNode(voRB24B1Bellow, 2, new TGeoTranslation(0., 0., z));

  z += newRB24B1BellowUndL / 2.;

  z += kRB24VMABBEConTubeL2 / 2.;

  voRB24VMABBEBellowM->AddNode(voRB24VMABBECT2, 1, new TGeoTranslation(0., 0., z));

  z += kRB24VMABBEConTubeL2 / 2.;


  voRB24VMABCRB->AddNode(voRB24VMABBEBellowM, 1, new TGeoTranslation(0., 0., kRB24VMABCRBT1L / 2.));


  // Pos 1.2 Rotable flange                     LHCVBU__0013[*]

  // Front

  voRB24VMABCRB->AddNode(voRB24B1RFlange, 3, new TGeoCombiTrans(0., 0., -kRB24VMABCRBT1L / 2. + 0.86, rot180));

  // End

  z = kRB24VMABCRBT1L / 2. + newRB24B1BellowUndL + kRB24VMABBEConTubeL1 + kRB24VMABBEConTubeL2;

  voRB24VMABCRB->AddNode(voRB24B1RFlange, 4, new TGeoTranslation(0., 0., z - 0.86));


  // Pos 2    Trans. Tube Flange       LHCVSR__0062

  // Pos 2.1  Transition Tube          LHCVSR__0063

  // Pos 2.2  Transition Flange        LHCVSR__0060

  //

  // Transition Tube with Flange

  TGeoPcon* shRB24VMABCTT = new TGeoPcon(0., 360., 7);

  z = 0.;

  shRB24VMABCTT->DefineSection(0, z, 6.3 / 2., 11.16 / 2.);

  z += 0.25;

  shRB24VMABCTT->DefineSection(1, z, 6.3 / 2., 11.16 / 2.);

  shRB24VMABCTT->DefineSection(2, z, 6.3 / 2., 9.30 / 2.);

  z += 0.25;

  shRB24VMABCTT->DefineSection(3, z, 6.3 / 2., 9.30 / 2.);

  shRB24VMABCTT->DefineSection(4, z, 6.3 / 2., 6.70 / 2.);

  z += (20.35 - 0.63);

  shRB24VMABCTT->DefineSection(5, z, 6.3 / 2., 6.7 / 2.);

  z += 0.63;

  shRB24VMABCTT->DefineSection(6, z, 6.3 / 2., 6.7 / 2.);

  TGeoVolume* voRB24VMABCTT = new TGeoVolume("RB24VMABCTT", shRB24VMABCTT, kMedSteelNF);

  voRB24VMABCRB->AddNode(voRB24VMABCTT, 1, new TGeoTranslation(0., 0., -kRB24VMABCRBT1L / 2. - 1.));


  // Pos 3   RF Contact   D63         LHCVSR__0057

  // Pos 3.1 RF Contact Flange        LHCVSR__0017

  //

  TGeoPcon* shRB24VMABCCTFlange = new TGeoPcon(0., 360., 6);

  const Float_t kRB24VMABCCTFlangeRin = 6.36 / 2.; // Inner radius

  const Float_t kRB24VMABCCTFlangeL = 1.30;        // Length


  z = 0.;

  shRB24VMABCCTFlange->DefineSection(0, z, kRB24VMABCCTFlangeRin, 6.5 / 2.);

  z += 0.15;

  shRB24VMABCCTFlange->DefineSection(1, z, kRB24VMABCCTFlangeRin, 6.5 / 2.);

  shRB24VMABCCTFlange->DefineSection(2, z, kRB24VMABCCTFlangeRin, 6.9 / 2.);

  z += 0.9;

  shRB24VMABCCTFlange->DefineSection(3, z, kRB24VMABCCTFlangeRin, 6.9 / 2.);

  shRB24VMABCCTFlange->DefineSection(4, z, kRB24VMABCCTFlangeRin, 11.16 / 2.);

  z += 0.25;

  shRB24VMABCCTFlange->DefineSection(5, z, kRB24VMABCCTFlangeRin, 11.16 / 2.);

  TGeoVolume* voRB24VMABCCTFlange = new TGeoVolume("RB24VMABCCTFlange", shRB24VMABCCTFlange, kMedCuNF);

  //

  // Pos 3.2 RF-Contact        LHCVSR__0056

  //

  TGeoPcon* shRB24VMABCCT = new TGeoPcon(0., 360., 4);

  const Float_t kRB24VMABCCTRin = 6.30 / 2.;  // Inner radius

  const Float_t kRB24VMABCCTCRin = 7.29 / 2.; // Max. inner radius conical section

  const Float_t kRB24VMABCCTL = 11.88;        // Length

  const Float_t kRB24VMABCCTSL = 10.48;       // Length of straight section

  const Float_t kRB24VMABCCTd = 0.03;         // Thickness

  z = 0;

  shRB24VMABCCT->DefineSection(0, z, kRB24VMABCCTCRin, kRB24VMABCCTCRin + kRB24VMABCCTd);

  z = kRB24VMABCCTL - kRB24VMABCCTSL;

  shRB24VMABCCT->DefineSection(1, z, kRB24VMABCCTRin + 0.35, kRB24VMABCCTRin + 0.35 + kRB24VMABCCTd);

  z = kRB24VMABCCTL - kRB24VMABCCTFlangeL;

  shRB24VMABCCT->DefineSection(2, z, kRB24VMABCCTRin, kRB24VMABCCTRin + kRB24VMABCCTd);

  z = kRB24VMABCCTL;

  shRB24VMABCCT->DefineSection(3, z, kRB24VMABCCTRin, kRB24VMABCCTRin + kRB24VMABCCTd);


  TGeoVolume* voRB24VMABCCT = new TGeoVolume("RB24VMABCCT", shRB24VMABCCT, kMedCuNF);


  TGeoVolumeAssembly* voRB24VMABRFCT = new TGeoVolumeAssembly("RB24VMABRFCT");

  voRB24VMABRFCT->AddNode(voRB24VMABCCT, 1, gGeoIdentity);

  voRB24VMABRFCT->AddNode(voRB24VMABCCTFlange, 1, new TGeoTranslation(0., 0., kRB24VMABCCTL - kRB24VMABCCTFlangeL));


  z = kRB24VMABCRBT1L / 2. + newRB24B1BellowUndL + kRB24VMABBEConTubeL1 + kRB24VMABBEConTubeL2 - kRB24VMABCCTL + 1.;

  voRB24VMABCRB->AddNode(voRB24VMABRFCT, 1, new TGeoTranslation(0., 0., z));


  // Vacuum in the bore, from the transition tube to the end of the RF contact, at the inner radius

  // of both. Placed beside the copies in caveRB24 only: in the barrel the aluSideA pipe runs through it.

  const double kRB24VMABCVacZ0 = -kRB24VMABCRBT1L / 2. - 1.;

  const double kRB24VMABCVacZ1 = z + kRB24VMABCCTL;

  const double kRB24VMABCVacZc = (kRB24VMABCVacZ0 + kRB24VMABCVacZ1) / 2.;

  TGeoVolume* voRB24VMABCVac = new TGeoVolume(

    "RB24VMABCVac", new TGeoTube(0., 6.3 / 2., (kRB24VMABCVacZ1 - kRB24VMABCVacZ0) / 2.), kMedVacNF);

  voRB24VMABCVac->SetVisibility(0);


  //

  // Assembling RB24/1

  //

  // part places in the barrel

  TGeoVolumeAssembly* voRB24 = new TGeoVolumeAssembly("RB24");

  // Cu Tube with two simplified flanges in central barrel

  voRB24->AddNode(voRB24CuTubeM, 1, gGeoIdentity);

  voRB24->AddNode(voRB24CuTubeA, 1, gGeoIdentity);


  // part which is placed in the cave

  // ->

  TGeoVolumeAssembly* voRB24C = new TGeoVolumeAssembly("RB24C");

  voRB24C->AddNode(voRB24cCuTubeM, 1, gGeoIdentity);

  //  voRB24C->AddNode(voRB24cCuTubeA, 1, new TGeoTranslation(0., 0., -(900.-kRB24cCuTubeL)/2.));

  z = -kRB24cCuTubeL / 2 + kRB24CuTubeFL / 2.;

  voRB24C->AddNode(voRB24CuTubeF, 1, new TGeoTranslation(0., 0., z));

  //   z = +kRB24cCuTubeL / 2 - kRB24CuTubeFL / 2.;

  //   voRB24C->AddNode(voRB24CuTubeF, 2, new TGeoTranslation(0., 0., z));

  // VMABC close to compensator magnet

  z = -kRB24cCuTubeL / 2. - (kRB24VMABCL - kRB24VMABCRBT1L / 2) + 1.;

  voRB24C->AddNode(voRB24VMABCRB, 2, new TGeoTranslation(0., 0., z));

  voRB24C->AddNode(voRB24VMABCVac, 2, new TGeoTranslation(0., 0., z + kRB24VMABCVacZc));

  // <-


  // Bellow

  z = kRB24bCuTubeL / 2;

  voRB24->AddNode(voRB24B1BellowM, 1, new TGeoTranslation(0., 0., z));

  z += (kRB24B1L + kRB24AIpML / 2.);

  // Annular ion pump

  voRB24->AddNode(voRB24AIpM, 1, new TGeoTranslation(0., 0., z));

  z += (kRB24AIpML / 2. + kRB24ValveWz / 2.);

  // Valve

  voRB24->AddNode(voRB24ValveMo, 1, new TGeoTranslation(0., 0., z));

  z += (kRB24ValveWz / 2. + kRB24VMABCRBT1L / 2. + 1.);

  // VMABC close to forward detectors

  voRB24->AddNode(voRB24VMABCRB, 3, new TGeoTranslation(0., 0., z));

  //

  //   RB24/2

  //

  // Copper Tube RB24/2

  // mainly inside the compensator magnet

  const Float_t kRB242CuTubeL = 350.0;

  // 20 cm straight - 20 cm transition to final oval - 270 oval - 20 cm transition to final oval - 20 cm straight

  //

  // mother volume for transition region

  TGeoVolume* voRB242CuOvTransMo = new TGeoVolume("voRB24CuOvTransMo", new TGeoTube(0., 4.75, 10.), kMedAir);

  const Int_t nTrans = 10;

  TGeoVolume* voRB242CuOvTransV[nTrans];

  TGeoVolume* voRB242CuOvTransI[nTrans];

  Float_t dovX = 4.;

  Float_t dovY = 4.;

  Float_t dovZ = -9.0;

  for (Int_t i = 0; i < nTrans; i++) {

    dovX -= 0.0625;

    dovY += 0.075;

    char vname[20];

    snprintf(vname, 20, "voRB242CuOvTransV%d", i);

    voRB242CuOvTransV[i] = new TGeoVolume(vname, new TGeoEltu(dovX, dovY, 1.0), kMedCuHC);

    snprintf(vname, 20, "voRB242CuOvTransI%d", i);

    voRB242CuOvTransI[i] = new TGeoVolume(vname, new TGeoEltu(dovX - 0.2, dovY - 0.2, 1.0), kMedVacHC);

    voRB242CuOvTransV[i]->AddNode(voRB242CuOvTransI[i], 1, gGeoIdentity);

    voRB242CuOvTransMo->AddNode(voRB242CuOvTransV[i], 1, new TGeoTranslation(0., 0., dovZ));

    dovZ += 2.;

  }

  //

  TGeoVolume* voRB242CuTubeM =

    new TGeoVolume("voRB242CuTubeM", new TGeoTube(0., kRB24CuTubeRo, 10.), kMedVacHC);

  TGeoVolume* voRB242CuTube =

    new TGeoVolume("voRB242CuTube", new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, 10.), kMedCuHC);

  voRB242CuTubeM->AddNode(voRB242CuTube, 1, gGeoIdentity);

  TGeoVolume* voRB242CuOvalM =

    new TGeoVolume("voRB242CuOvalM", new TGeoEltu(3.375, 4.75, 135.), kMedCuHC);

  TGeoVolume* voRB242CuOval =

    new TGeoVolume("voRB242CuOval", new TGeoEltu(3.175, 4.55, 135.), kMedVacHC);

  voRB242CuOvalM->AddNode(voRB242CuOval, 1, gGeoIdentity);

  //

  TGeoVolumeAssembly* voRB242 = new TGeoVolumeAssembly("RB242");

  voRB242->AddNode(voRB242CuOvalM, 1, gGeoIdentity);

  z = -kRB242CuTubeL / 2 + kRB24CuTubeFL / 2.;

  voRB242->AddNode(voRB24CuTubeF, 3, new TGeoTranslation(0., 0., z));

  z = +kRB242CuTubeL / 2 - kRB24CuTubeFL / 2.;

  voRB242->AddNode(voRB24CuTubeF, 4, new TGeoTranslation(0., 0., z));

  z = 135. + 10.;

  voRB242->AddNode(voRB242CuOvTransMo, 1, new TGeoCombiTrans(0., 0., z, rot180));

  z = -135. - 10.;

  voRB242->AddNode(voRB242CuOvTransMo, 2, new TGeoTranslation(0., 0., z));

  z = -135. - 30.;

  voRB242->AddNode(voRB242CuTubeM, 1, new TGeoTranslation(0., 0., z));

  z = 135. + 30.;

  voRB242->AddNode(voRB242CuTubeM, 2, new TGeoTranslation(0., 0., z));

  z = -kRB24cCuTubeL / 2 - kRB24VMABCL - kRB242CuTubeL / 2. - 1.2;

  voRB24C->AddNode(voRB242, 1, new TGeoTranslation(0., 0., z));

  //

  //   RB24/3

  //

  // Copper Tube RB24/3

  // the lenth of the tube is 296.85 on the drawing but this is inconsistent with the total length tube + bellow

  const Float_t kRB243CuTubeL = 297.85;


  TGeoVolume* voRB243CuTubeM =

    new TGeoVolume("voRB243CuTubeM", new TGeoTube(0., kRB24CuTubeRo, kRB243CuTubeL / 2.), kMedVacNF);

  voRB243CuTubeM->SetVisibility(0);

  TGeoVolume* voRB243CuTube =

    new TGeoVolume("voRB243CuTube", new TGeoTube(kRB24CuTubeRi, kRB24CuTubeRo, kRB243CuTubeL / 2.), kMedCuNF);

  voRB243CuTubeM->AddNode(voRB243CuTube, 1, gGeoIdentity);


  TGeoVolumeAssembly* voRB243 = new TGeoVolumeAssembly("RB243");

  TGeoVolumeAssembly* voRB243A = new TGeoVolumeAssembly("RB243A");


  voRB243A->AddNode(voRB243CuTubeM, 1, gGeoIdentity);

  z = -kRB243CuTubeL / 2 + kRB24CuTubeFL / 2.;

  voRB243A->AddNode(voRB24CuTubeF, 5, new TGeoTranslation(0., 0., z));

  z = +kRB243CuTubeL / 2 - kRB24CuTubeFL / 2.;

  voRB243A->AddNode(voRB24CuTubeF, 6, new TGeoTranslation(0., 0., z));

  z = +kRB243CuTubeL / 2;

  voRB243A->AddNode(voRB24B1BellowM, 2, new TGeoTranslation(0., 0., z));


  z = -kRB243CuTubeL / 2. - kRB24B1L;

  voRB243->AddNode(voRB243A, 1, new TGeoTranslation(0., 0., z));

  z = -(1.5 * kRB243CuTubeL + 2. * kRB24B1L);

  voRB243->AddNode(voRB243A, 2, new TGeoTranslation(0., 0., z));


  z = -2. * (kRB243CuTubeL + kRB24B1L) - (kRB24VMABCL - kRB24VMABCRBT1L / 2) + 1.;

  voRB243->AddNode(voRB24VMABCRB, 3, new TGeoTranslation(0., 0., z));

  voRB243->AddNode(voRB24VMABCVac, 3, new TGeoTranslation(0., 0., z + kRB24VMABCVacZc));


  z = -kRB24cCuTubeL / 2 - kRB24VMABCL - kRB242CuTubeL - 1.2;

  voRB24C->AddNode(voRB243, 1, new TGeoTranslation(0., 0., z));


  //

  //

  caveRB24->AddNode(voRB24C, 1, new TGeoCombiTrans(0., 0., -kRB24CL / 2 + kRB24cCuTubeL / 2, rot180));

  barrel->AddNode(voRB24, 1, new TGeoCombiTrans(0., 30., kRB24bCuTubeL / 2 + 88.5 + 400. + 0.375, rot180));

  //

  //                                                                            //

  //                                  The Absorber Vacuum system                //

  //                                                                            //

  //

  //    Rotable Flange starts at:            82.00 cm from IP

  //    Length of rotable flange section:    10.68 cm

  //    Weld                                  0.08 cm

  //    Length of straight section          207.21 cm

  //    =======================================================================

  //                                        299.97 cm  [0.03 cm missing ?]

  //    Length of opening cone              252.09 cm

  //    Weld                                  0.15 cm

  //    Length of compensator                30.54 cm

  //    Weld                                  0.15 cm

  //    Length of fixed flange  2.13 - 0.97   1.16 cm

  //    =======================================================================

  //                                        584.06 cm [584.80 installed] [0.74 cm missing]

  //    RB26/3

  //    Length of split flange  2.13 - 1.2    0.93 cm

  //    Weld                                  0.15 cm

  //    Length of fixed point section        16.07 cm

  //    Weld                                  0.15 cm

  //    Length of opening cone              629.20 cm

  //    Weld                                  0.30 cm

  //    Kength of the compensator            41.70 cm

  //    Weld                                  0.30 cm

  //    Length of fixed flange  2.99 - 1.72   1.27 cm

  // =================================================

  //    Length of RB26/3                    690.07 cm [689.20 installed] [0.87 cm too much]

  //

  //    RB26/4-5

  //    Length of split flange  2.13 - 1.2    0.93 cm

  //    Weld                                  0.15 cm

  //    Length of fixed point section        16.07 cm

  //    Weld                                  0.15 cm

  //    Length of opening cone              629.20 cm

  //    Weld                                  0.30 cm

  //    Length of closing cone

  //    Weld

  //    Lenth of straight section

  //    Kength of the compensator            41.70 cm

  //    Weld                                  0.30 cm

  //    Length of fixed flange  2.99 - 1.72   1.27 cm

  // =================================================

  //    Length of RB26/3                    690.07 cm [689.20 installed] [0.87 cm too much]


  //                                       //

  //    RB26/1-2                           //

  //    Drawing LHCV2a_0050 [as installed] //

  //    Drawing LHCV2a_0008                //

  //    Drawing LHCV2a_0001                //

  //    Pos1 Vacuum Tubes   LHCVC2A__0010

  //    Pos2 Compensator    LHCVC2A__0064

  //    Pos3 Rotable Flange LHCVFX___0016

  //    Pos4 Fixed Flange   LHCVFX___0006

  //    Pos5 Bellow Tooling LHCVFX___0003

  //

  //

  //

  //    RB26/1-2 Vacuum Tubes      //

  //    Drawing  LHCVC2a_0010      //

  const Float_t kRB26s12TubeL0 = 459.45;                         // 0.15 cm added for welding

  const Float_t kRB26s12TubeL2 = 47.21;                          // part of this tube outside barrel region

  const Float_t kRB26s12TubeL = kRB26s12TubeL0 - kRB26s12TubeL2; // 392.115

  //

  // 184.905

  // 0.877

  // Add 1 cm on outer diameter for insulation

  //

  //

  // the section which is placed into the central barrel (ending at z = -505)

  TGeoPcon* shRB26s12Tube = new TGeoPcon(0., 360., 4);

  // Section 1: straight section

  shRB26s12Tube->DefineSection(0, 0.00, 5.84 / 2., 6.00 / 2.);

  shRB26s12Tube->DefineSection(1, 207.21, 5.84 / 2., 6.00 / 2.);

  // Section 2: 0.72 deg opening cone

  shRB26s12Tube->DefineSection(2, 207.21, 5.84 / 2., 6.14 / 2.);

  shRB26s12Tube->DefineSection(3, kRB26s12TubeL, 5.84 / 2 + 2.576, 6.14 / 2. + 2.576);


  // the section which is placed into the muon spectrometer (starting at z = -505)

  TGeoPcon* shRB26s12msTube = new TGeoPcon(0., 360., 3);

  // conical part

  shRB26s12msTube->DefineSection(0, 0.00, shRB26s12Tube->GetRmin(3), shRB26s12Tube->GetRmax(3));

  shRB26s12msTube->DefineSection(1, 452.30 - kRB26s12TubeL, 12.0 / 2., 12.3 / 2.);

  // straight part until compensator

  shRB26s12msTube->DefineSection(2, kRB26s12TubeL2, 12.0 / 2., 12.3 / 2.);


  TGeoVolume* voRB26s12Tube = new TGeoVolume("RB26s12Tube", shRB26s12Tube, kMedSteelHC);

  TGeoVolume* voRB26s12msTube = new TGeoVolume("RB26s12msTube", shRB26s12msTube, kMedSteelHC);

  // Add the insulation layer

  TGeoVolume* voRB26s12TubeIns = new TGeoVolume("RB26s12TubeIns", MakeInsulationFromTemplate(shRB26s12Tube), kMedInsu);

  TGeoVolume* voRB26s12msTubeIns = new TGeoVolume("RB26s12msTubeIns", MakeInsulationFromTemplate(shRB26s12msTube), kMedInsu);

  voRB26s12Tube->AddNode(voRB26s12TubeIns, 1, gGeoIdentity);

  voRB26s12msTube->AddNode(voRB26s12msTubeIns, 1, gGeoIdentity);


  TGeoVolume* voRB26s12TubeM = new TGeoVolume("RB26s12TubeM", MakeMotherFromTemplate(shRB26s12Tube), kMedVacHC);

  voRB26s12TubeM->AddNode(voRB26s12Tube, 1, gGeoIdentity);

  TGeoVolume* voRB26s12msTubeM = new TGeoVolume("RB26s12msTubeM", MakeMotherFromTemplate(shRB26s12msTube), kMedVacHC);

  voRB26s12msTubeM->AddNode(voRB26s12msTube, 1, gGeoIdentity);


  //    RB26/2   Axial Compensator //

  //    Drawing  LHCVC2a_0064      //

  const Float_t kRB26s2CompL = 30.65;         // Length of the compensator

  const Float_t kRB26s2BellowRo = 14.38 / 2.; // Bellow outer radius        [Pos 1]

  const Float_t kRB26s2BellowRi = 12.12 / 2.; // Bellow inner radius        [Pos 1]

  const Int_t kRB26s2NumberOfPlies = 14;      // Number of plies            [Pos 1]

  const Float_t kRB26s2BellowUndL =

    10.00;                                     // Length of undulated region [Pos 1]  [+10 mm installed including pretension ?]

  const Float_t kRB26s2PlieThickness = 0.025;  // Plie thickness             [Pos 1]

  const Float_t kRB26s2ConnectionPlieR = 0.21; // Connection plie radius     [Pos 1]

  //  Plie radius

  const Float_t kRB26s2PlieR = (kRB26s2BellowUndL - 4. * kRB26s2ConnectionPlieR + 2. * kRB26s2PlieThickness +

                                (2. * kRB26s2NumberOfPlies - 2.) * kRB26s2PlieThickness) /

                               (4. * kRB26s2NumberOfPlies - 2.);

  const Float_t kRB26s2CompTubeInnerR = 12.00 / 2.;  // Connection tubes inner radius     [Pos 2 + 3]

  const Float_t kRB26s2CompTubeOuterR = 12.30 / 2.;  // Connection tubes outer radius     [Pos 2 + 3]

  const Float_t kRB26s2WeldingTubeLeftL = 9.00 / 2.; // Left connection tube half length  [Pos 2]

  const Float_t kRB26s2WeldingTubeRightL =

    11.65 / 2.;                                 // Right connection tube half length [Pos 3]  [+ 0.15 cm for welding]

  const Float_t kRB26s2RingOuterR = 18.10 / 2.; // Ring inner radius                 [Pos 4]

  const Float_t kRB26s2RingL = 0.40 / 2.;       // Ring half length                  [Pos 4]

  const Float_t kRB26s2RingZ = 6.50;            // Ring z-position                   [Pos 4]

  const Float_t kRB26s2ProtOuterR = 18.20 / 2.; // Protection tube outer radius      [Pos 5]

  const Float_t kRB26s2ProtL = 15.00 / 2.;      // Protection tube half length       [Pos 5]

  const Float_t kRB26s2ProtZ = 6.70;            // Protection tube z-position        [Pos 5]


  // Mother volume

  //

  TGeoPcon* shRB26s2Compensator = new TGeoPcon(0., 360., 6);

  shRB26s2Compensator->DefineSection(0, 0.0, 0., kRB26s2CompTubeOuterR);

  shRB26s2Compensator->DefineSection(1, kRB26s2RingZ, 0., kRB26s2CompTubeOuterR);

  shRB26s2Compensator->DefineSection(2, kRB26s2RingZ, 0., kRB26s2ProtOuterR);

  shRB26s2Compensator->DefineSection(3, kRB26s2ProtZ + 2. * kRB26s2ProtL, 0., kRB26s2ProtOuterR);

  shRB26s2Compensator->DefineSection(4, kRB26s2ProtZ + 2. * kRB26s2ProtL, 0., kRB26s2CompTubeOuterR);

  shRB26s2Compensator->DefineSection(5, kRB26s2CompL, 0., kRB26s2CompTubeOuterR);

  TGeoVolume* voRB26s2Compensator = new TGeoVolume("RB26s2Compensator", shRB26s2Compensator, kMedVacHC);


  //

  // [Pos 1] Bellow

  //

  //

  TGeoVolume* voRB26s2Bellow =

    new TGeoVolume("RB26s2Bellow", new TGeoTube(kRB26s2BellowRi, kRB26s2BellowRo, kRB26s2BellowUndL / 2.), kMedVacHC);

  //

  //  Upper part of the undulation

  //

  TGeoTorus* shRB26s2PlieTorusU =

    new TGeoTorus(kRB26s2BellowRo - kRB26s2PlieR, kRB26s2PlieR - kRB26s2PlieThickness, kRB26s2PlieR);

  shRB26s2PlieTorusU->SetName("RB26s2TorusU");

  TGeoTube* shRB26s2PlieTubeU = new TGeoTube(kRB26s2BellowRo - kRB26s2PlieR, kRB26s2BellowRo, kRB26s2PlieR);

  shRB26s2PlieTubeU->SetName("RB26s2TubeU");

  TGeoCompositeShape* shRB26s2UpperPlie = new TGeoCompositeShape("RB26s2UpperPlie", "RB26s2TorusU*RB26s2TubeU");


  TGeoVolume* voRB26s2WiggleU = new TGeoVolume("RB26s2UpperPlie", shRB26s2UpperPlie, kMedSteelHC);

  //

  // Lower part of the undulation

  TGeoTorus* shRB26s2PlieTorusL =

    new TGeoTorus(kRB26s2BellowRi + kRB26s2PlieR, kRB26s2PlieR - kRB26s2PlieThickness, kRB26s2PlieR);

  shRB26s2PlieTorusL->SetName("RB26s2TorusL");

  TGeoTube* shRB26s2PlieTubeL = new TGeoTube(kRB26s2BellowRi, kRB26s2BellowRi + kRB26s2PlieR, kRB26s2PlieR);

  shRB26s2PlieTubeL->SetName("RB26s2TubeL");

  TGeoCompositeShape* shRB26s2LowerPlie = new TGeoCompositeShape("RB26s2LowerPlie", "RB26s2TorusL*RB26s2TubeL");


  TGeoVolume* voRB26s2WiggleL = new TGeoVolume("RB26s2LowerPlie", shRB26s2LowerPlie, kMedSteelHC);


  //

  // Connection between upper and lower part of undulation

  TGeoVolume* voRB26s2WiggleC1 = new TGeoVolume(

    "RB26s2PlieConn1",

    new TGeoTube(kRB26s2BellowRi + kRB26s2PlieR, kRB26s2BellowRo - kRB26s2PlieR, kRB26s2PlieThickness / 2.), kMedSteelHC);

  //

  // One wiggle

  TGeoVolumeAssembly* voRB26s2Wiggle = new TGeoVolumeAssembly("RB26s2Wiggle");

  z0 = -kRB26s2PlieThickness / 2.;

  voRB26s2Wiggle->AddNode(voRB26s2WiggleC1, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s2PlieR - kRB26s2PlieThickness / 2.;

  voRB26s2Wiggle->AddNode(voRB26s2WiggleU, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s2PlieR - kRB26s2PlieThickness / 2.;

  voRB26s2Wiggle->AddNode(voRB26s2WiggleC1, 2, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s2PlieR - kRB26s2PlieThickness;

  voRB26s2Wiggle->AddNode(voRB26s2WiggleL, 1, new TGeoTranslation(0., 0., z0));

  // Positioning of the volumes

  z0 = -kRB26s2BellowUndL / 2. + kRB26s2ConnectionPlieR;

  voRB26s2Bellow->AddNode(voRB26s2WiggleL, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s2ConnectionPlieR;

  zsh = 4. * kRB26s2PlieR - 2. * kRB26s2PlieThickness;

  for (Int_t iw = 0; iw < kRB26s2NumberOfPlies; iw++) {

    Float_t zpos = z0 + iw * zsh;

    voRB26s2Bellow->AddNode(voRB26s2Wiggle, iw + 1, new TGeoTranslation(0., 0., zpos - kRB26s2PlieThickness));

  }


  voRB26s2Compensator->AddNode(voRB26s2Bellow, 1,

                               new TGeoTranslation(0., 0., 2. * kRB26s2WeldingTubeLeftL + kRB26s2BellowUndL / 2.));


  //

  // [Pos 2] Left Welding Tube

  //

  TGeoTube* shRB26s2CompLeftTube = new TGeoTube(kRB26s2CompTubeInnerR, kRB26s2CompTubeOuterR, kRB26s2WeldingTubeLeftL);

  TGeoVolume* voRB26s2CompLeftTube = new TGeoVolume("RB26s2CompLeftTube", shRB26s2CompLeftTube, kMedSteelHC);

  voRB26s2Compensator->AddNode(voRB26s2CompLeftTube, 1, new TGeoTranslation(0., 0., kRB26s2WeldingTubeLeftL));

  //

  // [Pos 3] Right Welding Tube

  //

  TGeoTube* shRB26s2CompRightTube =

    new TGeoTube(kRB26s2CompTubeInnerR, kRB26s2CompTubeOuterR, kRB26s2WeldingTubeRightL);

  TGeoVolume* voRB26s2CompRightTube = new TGeoVolume("RB26s2CompRightTube", shRB26s2CompRightTube, kMedSteelHC);

  voRB26s2Compensator->AddNode(voRB26s2CompRightTube, 1,

                               new TGeoTranslation(0., 0., kRB26s2CompL - kRB26s2WeldingTubeRightL));

  //

  // [Pos 4] Ring

  //

  TGeoTube* shRB26s2CompRing = new TGeoTube(kRB26s2CompTubeOuterR, kRB26s2RingOuterR, kRB26s2RingL);

  TGeoVolume* voRB26s2CompRing = new TGeoVolume("RB26s2CompRing", shRB26s2CompRing, kMedSteelHC);

  voRB26s2Compensator->AddNode(voRB26s2CompRing, 1, new TGeoTranslation(0., 0., kRB26s2RingZ + kRB26s2RingL));


  //

  // [Pos 5] Outer Protecting Tube

  //

  TGeoTube* shRB26s2CompProtTube = new TGeoTube(kRB26s2RingOuterR, kRB26s2ProtOuterR, kRB26s2ProtL);

  TGeoVolume* voRB26s2CompProtTube = new TGeoVolume("RB26s2CompProtTube", shRB26s2CompProtTube, kMedSteelHC);

  voRB26s2Compensator->AddNode(voRB26s2CompProtTube, 1, new TGeoTranslation(0., 0., kRB26s2ProtZ + kRB26s2ProtL));


  //    Rotable Flange             //

  //    Drawing  LHCVFX_0016       //

  const Float_t kRB26s1RFlangeTubeRi = 5.84 / 2.; // Tube inner radius

  const Float_t kRB26s1RFlangeTubeRo = 6.00 / 2.; // Tube outer radius


  // Pos 1 Clamp Ring          LHCVFX__0015

  const Float_t kRB26s1RFlangeCrL = 1.40;        // Lenth of the clamp ring

  const Float_t kRB26s1RFlangeCrRi1 = 6.72 / 2.; // Ring inner radius section 1

  const Float_t kRB26s1RFlangeCrRi2 = 6.06 / 2.; // Ring inner radius section 2

  const Float_t kRB26s1RFlangeCrRo = 8.60 / 2.;  // Ring outer radius

  const Float_t kRB26s1RFlangeCrD = 0.800;       // Width section 1


  TGeoPcon* shRB26s1RFlangeCr = new TGeoPcon(0., 360., 4);

  z0 = 0.;

  shRB26s1RFlangeCr->DefineSection(0, z0, kRB26s1RFlangeCrRi1, kRB26s1RFlangeCrRo);

  z0 += kRB26s1RFlangeCrD;

  shRB26s1RFlangeCr->DefineSection(1, z0, kRB26s1RFlangeCrRi1, kRB26s1RFlangeCrRo);

  shRB26s1RFlangeCr->DefineSection(2, z0, kRB26s1RFlangeCrRi2, kRB26s1RFlangeCrRo);

  z0 = kRB26s1RFlangeCrL;

  shRB26s1RFlangeCr->DefineSection(3, z0, kRB26s1RFlangeCrRi2, kRB26s1RFlangeCrRo);

  TGeoVolume* voRB26s1RFlangeCr = new TGeoVolume("RB26s1RFlangeCr", shRB26s1RFlangeCr, kMedSteelHC);


  // Pos 2 Insert              LHCVFX__0015

  const Float_t kRB26s1RFlangeIsL = 4.88;      // Lenth of the insert

  const Float_t kRB26s1RFlangeIsR = 6.70 / 2.; // Ring radius

  const Float_t kRB26s1RFlangeIsD = 0.80;      // Ring Width


  TGeoPcon* shRB26s1RFlangeIs = new TGeoPcon(0., 360., 4);

  z0 = 0.;

  shRB26s1RFlangeIs->DefineSection(0, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeIsR);

  z0 += kRB26s1RFlangeIsD;

  shRB26s1RFlangeIs->DefineSection(1, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeIsR);

  shRB26s1RFlangeIs->DefineSection(2, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);

  z0 = kRB26s1RFlangeIsL;

  shRB26s1RFlangeIs->DefineSection(3, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);

  TGeoVolume* voRB26s1RFlangeIs = new TGeoVolume("RB26s1RFlangeIs", shRB26s1RFlangeIs, kMedSteelHC);

  // 4.88 + 3.7 = 8.58 (8.7 to avoid overlap)

  // Pos 3 Fixed Point Section LHCVC2A_0021

  const Float_t kRB26s1RFlangeFpL = 5.88;      // Length of the fixed point section (0.08 cm added for welding)

  const Float_t kRB26s1RFlangeFpZ = 3.82;      // Position of the ring

  const Float_t kRB26s1RFlangeFpD = 0.59;      // Width of the ring

  const Float_t kRB26s1RFlangeFpR = 7.00 / 2.; // Radius of the ring


  TGeoPcon* shRB26s1RFlangeFp = new TGeoPcon(0., 360., 6);

  z0 = 0.;

  shRB26s1RFlangeFp->DefineSection(0, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);

  z0 += kRB26s1RFlangeFpZ;

  shRB26s1RFlangeFp->DefineSection(1, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);

  shRB26s1RFlangeFp->DefineSection(2, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeFpR);

  z0 += kRB26s1RFlangeFpD;

  shRB26s1RFlangeFp->DefineSection(3, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeFpR);

  shRB26s1RFlangeFp->DefineSection(4, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);

  z0 = kRB26s1RFlangeFpL;

  shRB26s1RFlangeFp->DefineSection(5, z0, kRB26s1RFlangeTubeRi, kRB26s1RFlangeTubeRo);

  TGeoVolume* voRB26s1RFlangeFp = new TGeoVolume("RB26s1RFlangeFp", shRB26s1RFlangeFp, kMedSteelHC);


  // Put everything in a mother volume

  TGeoPcon* shRB26s1RFlange = new TGeoPcon(0., 360., 8);

  z0 = 0.;

  shRB26s1RFlange->DefineSection(0, z0, 0., kRB26s1RFlangeCrRo);

  z0 += kRB26s1RFlangeCrL;

  shRB26s1RFlange->DefineSection(1, z0, 0., kRB26s1RFlangeCrRo);

  shRB26s1RFlange->DefineSection(2, z0, 0., kRB26s1RFlangeTubeRo);

  z0 = kRB26s1RFlangeIsL + kRB26s1RFlangeFpZ;

  shRB26s1RFlange->DefineSection(3, z0, 0., kRB26s1RFlangeTubeRo);

  shRB26s1RFlange->DefineSection(4, z0, 0., kRB26s1RFlangeFpR);

  z0 += kRB26s1RFlangeFpD;

  shRB26s1RFlange->DefineSection(5, z0, 0., kRB26s1RFlangeFpR);

  shRB26s1RFlange->DefineSection(6, z0, 0., kRB26s1RFlangeTubeRo);

  z0 = kRB26s1RFlangeIsL + kRB26s1RFlangeFpL;

  shRB26s1RFlange->DefineSection(7, z0, 0., kRB26s1RFlangeTubeRo);

  TGeoVolume* voRB26s1RFlange = new TGeoVolume("RB26s1RFlange", shRB26s1RFlange, kMedVacHC);


  voRB26s1RFlange->AddNode(voRB26s1RFlangeIs, 1, gGeoIdentity);

  voRB26s1RFlange->AddNode(voRB26s1RFlangeCr, 1, gGeoIdentity);

  voRB26s1RFlange->AddNode(voRB26s1RFlangeFp, 1, new TGeoTranslation(0., 0., kRB26s1RFlangeIsL));


  //    Fixed Flange               //

  //    Drawing  LHCVFX_0006       //

  const Float_t kRB26s2FFlangeL = 2.13;         // Length of the flange

  const Float_t kRB26s2FFlangeD1 = 0.97;        // Length of section 1

  const Float_t kRB26s2FFlangeD2 = 0.29;        // Length of section 2

  const Float_t kRB26s2FFlangeD3 = 0.87;        // Length of section 3

  const Float_t kRB26s2FFlangeRo = 17.15 / 2.;  // Flange outer radius

  const Float_t kRB26s2FFlangeRi1 = 12.30 / 2.; // Flange inner radius section 1

  const Float_t kRB26s2FFlangeRi2 = 12.00 / 2.; // Flange inner radius section 2

  const Float_t kRB26s2FFlangeRi3 = 12.30 / 2.; // Flange inner radius section 3

  z0 = 0;

  TGeoPcon* shRB26s2FFlange = new TGeoPcon(0., 360., 6);

  z0 = 0.;

  shRB26s2FFlange->DefineSection(0, z0, kRB26s2FFlangeRi1, kRB26s2FFlangeRo);

  z0 += kRB26s2FFlangeD1;

  shRB26s2FFlange->DefineSection(1, z0, kRB26s2FFlangeRi1, kRB26s2FFlangeRo);

  shRB26s2FFlange->DefineSection(2, z0, kRB26s2FFlangeRi2, kRB26s2FFlangeRo);

  z0 += kRB26s2FFlangeD2;

  shRB26s2FFlange->DefineSection(3, z0, kRB26s2FFlangeRi2, kRB26s2FFlangeRo);

  shRB26s2FFlange->DefineSection(4, z0, kRB26s2FFlangeRi3, kRB26s2FFlangeRo);

  z0 += kRB26s2FFlangeD3;

  shRB26s2FFlange->DefineSection(5, z0, kRB26s2FFlangeRi3, kRB26s2FFlangeRo);

  TGeoVolume* voRB26s2FFlange = new TGeoVolume("RB26s2FFlange", shRB26s2FFlange, kMedSteelHC);


  TGeoVolume* voRB26s2FFlangeM =

    new TGeoVolume("RB26s2FFlangeM", MakeMotherFromTemplate(shRB26s2FFlange, 2, 5), kMedVacHC);

  voRB26s2FFlangeM->AddNode(voRB26s2FFlange, 1, gGeoIdentity);


  //                                    //

  //    RB26/3                          //

  //    Drawing LHCV2a_0048             //

  //    Drawing LHCV2a_0002             //

  //

  //    Pos 1 Vacuum Tubes      LHCVC2A__0003

  //    Pos 2 Fixed Point       LHCVFX___0005

  //    Pos 3 Split Flange      LHCVFX___0007

  //    Pos 4 Fixed Flange      LHCVFX___0004

  //    Pos 5 Axial Compensator LHCVC2A__0065

  //

  //

  //

  //

  //    Vacuum Tube                //

  //    Drawing  LHCVC2A_0003      //

  const Float_t kRB26s3TubeL = 629.35 + 0.3; // 0.3 cm added for welding

  const Float_t kRB26s3TubeR1 = 12. / 2.;

  const Float_t kRB26s3TubeR2 = kRB26s3TubeR1 + 215.8 * TMath::Tan(0.829 / 180. * TMath::Pi());


  TGeoPcon* shRB26s3Tube = new TGeoPcon(0., 360., 7);

  // Section 1: straight section

  shRB26s3Tube->DefineSection(0, 0.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.15);

  shRB26s3Tube->DefineSection(1, 2.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.15);

  // Section 2: 0.829 deg opening cone

  shRB26s3Tube->DefineSection(2, 2.00, kRB26s3TubeR1, kRB26s3TubeR1 + 0.20);


  shRB26s3Tube->DefineSection(3, 217.80, kRB26s3TubeR2, kRB26s3TubeR2 + 0.20);

  shRB26s3Tube->DefineSection(4, 217.80, kRB26s3TubeR2, kRB26s3TubeR2 + 0.30);


  shRB26s3Tube->DefineSection(5, 622.20, 30.00 / 2., 30.60 / 2.);

  shRB26s3Tube->DefineSection(6, kRB26s3TubeL, 30.00 / 2., 30.60 / 2.);


  TGeoVolume* voRB26s3Tube = new TGeoVolume("RB26s3Tube", shRB26s3Tube, kMedSteelHC);

  //    Add the insulation layer

  TGeoVolume* voRB26s3TubeIns = new TGeoVolume("RB26s3TubeIns", MakeInsulationFromTemplate(shRB26s3Tube), kMedInsu);

  voRB26s3Tube->AddNode(voRB26s3TubeIns, 1, gGeoIdentity);


  TGeoVolume* voRB26s3TubeM = new TGeoVolume("RB26s3TubeM", MakeMotherFromTemplate(shRB26s3Tube), kMedVacHC);

  voRB26s3TubeM->AddNode(voRB26s3Tube, 1, gGeoIdentity);


  //    Fixed Point                //

  //    Drawing  LHCVFX_0005       //

  const Float_t kRB26s3FixedPointL = 16.37;        // Length of the fixed point section (0.3 cm added for welding)

  const Float_t kRB26s3FixedPointZ = 9.72;         // Position of the ring (0.15 cm added for welding)

  const Float_t kRB26s3FixedPointD = 0.595;        // Width of the ring

  const Float_t kRB26s3FixedPointR = 13.30 / 2.;   // Radius of the ring

  const Float_t kRB26s3FixedPointRi = 12.00 / 2.;  // Inner radius of the tube

  const Float_t kRB26s3FixedPointRo1 = 12.30 / 2.; // Outer radius of the tube (in)

  const Float_t kRB26s3FixedPointRo2 = 12.40 / 2.; // Outer radius of the tube (out)

  const Float_t kRB26s3FixedPointDs = 1.5;         // Width of straight section behind ring

  const Float_t kRB26s3FixedPointDc = 3.15;        // Width of conical  section behind ring (0.15 cm added for welding)


  TGeoPcon* shRB26s3FixedPoint = new TGeoPcon(0., 360., 8);

  z0 = 0.;

  shRB26s3FixedPoint->DefineSection(0, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);

  z0 += kRB26s3FixedPointZ;

  shRB26s3FixedPoint->DefineSection(1, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);

  shRB26s3FixedPoint->DefineSection(2, z0, kRB26s3FixedPointRi, kRB26s3FixedPointR);

  z0 += kRB26s3FixedPointD;

  shRB26s3FixedPoint->DefineSection(3, z0, kRB26s3FixedPointRi, kRB26s3FixedPointR);

  shRB26s3FixedPoint->DefineSection(4, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);

  z0 += kRB26s3FixedPointDs;

  shRB26s3FixedPoint->DefineSection(5, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo1);

  z0 += kRB26s3FixedPointDc;

  shRB26s3FixedPoint->DefineSection(6, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo2);

  z0 = kRB26s3FixedPointL;

  shRB26s3FixedPoint->DefineSection(7, z0, kRB26s3FixedPointRi, kRB26s3FixedPointRo2);

  TGeoVolume* voRB26s3FixedPoint = new TGeoVolume("RB26s3FixedPoint", shRB26s3FixedPoint, kMedSteelHC);


  TGeoVolume* voRB26s3FixedPointM =

    new TGeoVolume("RB26s3FixedPointM", MakeMotherFromTemplate(shRB26s3FixedPoint), kMedVacHC);

  voRB26s3FixedPointM->AddNode(voRB26s3FixedPoint, 1, gGeoIdentity);


  //    Split Flange               //

  //    Drawing  LHCVFX_0005       //

  const Float_t kRB26s3SFlangeL = 2.13;         // Length of the flange

  const Float_t kRB26s3SFlangeD1 = 0.57;        // Length of section 1

  const Float_t kRB26s3SFlangeD2 = 0.36;        // Length of section 2

  const Float_t kRB26s3SFlangeD3 = 0.50 + 0.70; // Length of section 3

  const Float_t kRB26s3SFlangeRo = 17.15 / 2.;  // Flange outer radius

  const Float_t kRB26s3SFlangeRi1 = 12.30 / 2.; // Flange inner radius section 1

  const Float_t kRB26s3SFlangeRi2 = 12.00 / 2.; // Flange inner radius section 2

  const Float_t kRB26s3SFlangeRi3 = 12.30 / 2.; // Flange inner radius section 3

  z0 = 0;

  TGeoPcon* shRB26s3SFlange = new TGeoPcon(0., 360., 6);

  z0 = 0.;

  shRB26s3SFlange->DefineSection(0, z0, kRB26s3SFlangeRi1, kRB26s3SFlangeRo);

  z0 += kRB26s3SFlangeD1;

  shRB26s3SFlange->DefineSection(1, z0, kRB26s3SFlangeRi1, kRB26s3SFlangeRo);

  shRB26s3SFlange->DefineSection(2, z0, kRB26s3SFlangeRi2, kRB26s3SFlangeRo);

  z0 += kRB26s3SFlangeD2;

  shRB26s3SFlange->DefineSection(3, z0, kRB26s3SFlangeRi2, kRB26s3SFlangeRo);

  shRB26s3SFlange->DefineSection(4, z0, kRB26s3SFlangeRi3, kRB26s3SFlangeRo);

  z0 += kRB26s3SFlangeD3;

  shRB26s3SFlange->DefineSection(5, z0, kRB26s3SFlangeRi3, kRB26s3SFlangeRo);

  TGeoVolume* voRB26s3SFlange = new TGeoVolume("RB26s3SFlange", shRB26s3SFlange, kMedSteelHC);


  TGeoVolume* voRB26s3SFlangeM =

    new TGeoVolume("RB26s3SFlangeM", MakeMotherFromTemplate(shRB26s3SFlange, 0, 3), kMedVacHC);

  voRB26s3SFlangeM->AddNode(voRB26s3SFlange, 1, gGeoIdentity);


  //    RB26/3   Fixed Flange      //

  //    Drawing  LHCVFX___0004     //

  const Float_t kRB26s3FFlangeL = 2.99;         // Length of the flange

  const Float_t kRB26s3FFlangeD1 = 1.72;        // Length of section 1

  const Float_t kRB26s3FFlangeD2 = 0.30;        // Length of section 2

  const Float_t kRB26s3FFlangeD3 = 0.97;        // Length of section 3

  const Float_t kRB26s3FFlangeRo = 36.20 / 2.;  // Flange outer radius

  const Float_t kRB26s3FFlangeRi1 = 30.60 / 2.; // Flange inner radius section 1

  const Float_t kRB26s3FFlangeRi2 = 30.00 / 2.; // Flange inner radius section 2

  const Float_t kRB26s3FFlangeRi3 = 30.60 / 2.; // Flange inner radius section 3

  z0 = 0;

  TGeoPcon* shRB26s3FFlange = new TGeoPcon(0., 360., 6);

  z0 = 0.;

  shRB26s3FFlange->DefineSection(0, z0, kRB26s3FFlangeRi1, kRB26s3FFlangeRo);

  z0 += kRB26s3FFlangeD1;

  shRB26s3FFlange->DefineSection(1, z0, kRB26s3FFlangeRi1, kRB26s3FFlangeRo);

  shRB26s3FFlange->DefineSection(2, z0, kRB26s3FFlangeRi2, kRB26s3FFlangeRo);

  z0 += kRB26s3FFlangeD2;

  shRB26s3FFlange->DefineSection(3, z0, kRB26s3FFlangeRi2, kRB26s3FFlangeRo);

  shRB26s3FFlange->DefineSection(4, z0, kRB26s3FFlangeRi3, kRB26s3FFlangeRo);

  z0 += kRB26s3FFlangeD3;

  shRB26s3FFlange->DefineSection(5, z0, kRB26s3FFlangeRi3, kRB26s3FFlangeRo);

  TGeoVolume* voRB26s3FFlange = new TGeoVolume("RB26s3FFlange", shRB26s3FFlange, kMedSteelHC);


  TGeoVolume* voRB26s3FFlangeM =

    new TGeoVolume("RB26s3FFlangeM", MakeMotherFromTemplate(shRB26s3FFlange, 2, 5), kMedVacHC);

  voRB26s3FFlangeM->AddNode(voRB26s3FFlange, 1, gGeoIdentity);


  //    RB26/3   Axial Compensator //

  //    Drawing  LHCVC2a_0065      //

  const Float_t kRB26s3CompL = 42.3;           // Length of the compensator (0.3 cm added for welding)

  const Float_t kRB26s3BellowRo = 34.00 / 2.;  // Bellow outer radius        [Pos 1]

  const Float_t kRB26s3BellowRi = 30.10 / 2.;  // Bellow inner radius        [Pos 1]

  const Int_t kRB26s3NumberOfPlies = 13;       // Number of plies            [Pos 1]

  const Float_t kRB26s3BellowUndL = 17.70;     // Length of undulated region [Pos 1]

  const Float_t kRB26s3PlieThickness = 0.06;   // Plie thickness             [Pos 1]

  const Float_t kRB26s3ConnectionPlieR = 0.21; // Connection plie radius     [Pos 1]

  //  Plie radius

  const Float_t kRB26s3PlieR = (kRB26s3BellowUndL - 4. * kRB26s3ConnectionPlieR + 2. * kRB26s3PlieThickness +

                                (2. * kRB26s3NumberOfPlies - 2.) * kRB26s3PlieThickness) /

                               (4. * kRB26s3NumberOfPlies - 2.);


  //

  // The welding tubes have 3 sections with different radii and 2 transition regions.

  // Section 1: connection to the outside

  // Section 2: commection to the bellow

  // Section 3: between 1 and 2

  const Float_t kRB26s3CompTubeInnerR1 = 30.0 / 2.; // Outer Connection tubes inner radius     [Pos 4 + 3]

  const Float_t kRB26s3CompTubeOuterR1 = 30.6 / 2.; // Outer Connection tubes outer radius     [Pos 4 + 3]

  const Float_t kRB26s3CompTubeInnerR2 = 29.4 / 2.; // Connection tubes inner radius           [Pos 4 + 3]

  const Float_t kRB26s3CompTubeOuterR2 = 30.0 / 2.; // Connection tubes outer radius           [Pos 4 + 3]

  const Float_t kRB26s3CompTubeInnerR3 = 30.6 / 2.; // Connection tubes inner radius at bellow [Pos 4 + 3]

  const Float_t kRB26s3CompTubeOuterR3 = 32.2 / 2.; // Connection tubes outer radius at bellow [Pos 4 + 3]


  const Float_t kRB26s3WeldingTubeLeftL1 = 2.0; // Left connection tube length             [Pos 4]

  const Float_t kRB26s3WeldingTubeLeftL2 = 3.4; // Left connection tube length             [Pos 4]

  const Float_t kRB26s3WeldingTubeLeftL = 7.0;  // Left connection tube total length       [Pos 4]

  const Float_t kRB26s3WeldingTubeRightL1 =

    2.3;                                          // Right connection tube length            [Pos 3] (0.3 cm added for welding)

  const Float_t kRB26s3WeldingTubeRightL2 = 13.4; // Right connection tube length            [Pos 3]


  const Float_t kRB26s3WeldingTubeT1 = 0.6; // Length of first r-transition            [Pos 4 + 3]

  const Float_t kRB26s3WeldingTubeT2 = 1.0; // Length of 2nd   r-transition            [Pos 4 + 3]


  const Float_t kRB26s3RingOuterR = 36.1 / 2.; // Ring inner radius                       [Pos 4]

  const Float_t kRB26s3RingL = 0.8 / 2.;       // Ring half length                        [Pos 4]

  const Float_t kRB26s3RingZ = 3.7;            // Ring z-position                         [Pos 4]

  const Float_t kRB26s3ProtOuterR = 36.2 / 2.; // Protection tube outer radius            [Pos 2]

  const Float_t kRB26s3ProtL = 27.0 / 2.;      // Protection tube half length             [Pos 2]

  const Float_t kRB26s3ProtZ = 4.0;            // Protection tube z-position              [Pos 2]


  // Mother volume

  //

  TGeoPcon* shRB26s3Compensator = new TGeoPcon(0., 360., 6);

  shRB26s3Compensator->DefineSection(0, 0.0, 0., kRB26s3CompTubeOuterR1);

  shRB26s3Compensator->DefineSection(1, kRB26s3RingZ, 0., kRB26s3CompTubeOuterR1);

  shRB26s3Compensator->DefineSection(2, kRB26s3RingZ, 0., kRB26s3ProtOuterR);

  shRB26s3Compensator->DefineSection(3, kRB26s3ProtZ + 2. * kRB26s3ProtL, 0., kRB26s3ProtOuterR);

  shRB26s3Compensator->DefineSection(4, kRB26s3ProtZ + 2. * kRB26s3ProtL, 0., kRB26s3CompTubeOuterR1);

  shRB26s3Compensator->DefineSection(5, kRB26s3CompL, 0., kRB26s3CompTubeOuterR1);

  TGeoVolume* voRB26s3Compensator = new TGeoVolume("RB26s3Compensator", shRB26s3Compensator, kMedVacHC);


  //

  // [Pos 1] Bellow

  //

  //


  //

  //  Upper part of the undulation

  //

  TGeoTorus* shRB26s3PlieTorusU =

    new TGeoTorus(kRB26s3BellowRo - kRB26s3PlieR, kRB26s3PlieR - kRB26s3PlieThickness, kRB26s3PlieR);

  shRB26s3PlieTorusU->SetName("RB26s3TorusU");

  TGeoTube* shRB26s3PlieTubeU = new TGeoTube(kRB26s3BellowRo - kRB26s3PlieR, kRB26s3BellowRo, kRB26s3PlieR);

  shRB26s3PlieTubeU->SetName("RB26s3TubeU");

  TGeoCompositeShape* shRB26s3UpperPlie = new TGeoCompositeShape("RB26s3UpperPlie", "RB26s3TorusU*RB26s3TubeU");


  TGeoVolume* voRB26s3WiggleU = new TGeoVolume("RB26s3UpperPlie", shRB26s3UpperPlie, kMedSteelHC);

  //

  // Lower part of the undulation

  TGeoTorus* shRB26s3PlieTorusL =

    new TGeoTorus(kRB26s3BellowRi + kRB26s3PlieR, kRB26s3PlieR - kRB26s3PlieThickness, kRB26s3PlieR);

  shRB26s3PlieTorusL->SetName("RB26s3TorusL");

  TGeoTube* shRB26s3PlieTubeL = new TGeoTube(kRB26s3BellowRi, kRB26s3BellowRi + kRB26s3PlieR, kRB26s3PlieR);

  shRB26s3PlieTubeL->SetName("RB26s3TubeL");

  TGeoCompositeShape* shRB26s3LowerPlie = new TGeoCompositeShape("RB26s3LowerPlie", "RB26s3TorusL*RB26s3TubeL");


  TGeoVolume* voRB26s3WiggleL = new TGeoVolume("RB26s3LowerPlie", shRB26s3LowerPlie, kMedSteelHC);


  //

  // Connection between upper and lower part of undulation

  TGeoVolume* voRB26s3WiggleC1 = new TGeoVolume(

    "RB26s3PlieConn1",

    new TGeoTube(kRB26s3BellowRi + kRB26s3PlieR, kRB26s3BellowRo - kRB26s3PlieR, kRB26s3PlieThickness / 2.), kMedSteelHC);

  //

  // One wiggle

  TGeoVolumeAssembly* voRB26s3Wiggle = new TGeoVolumeAssembly("RB26s3Wiggle");

  z0 = -kRB26s3PlieThickness / 2.;

  voRB26s3Wiggle->AddNode(voRB26s3WiggleC1, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3PlieR - kRB26s3PlieThickness / 2.;

  voRB26s3Wiggle->AddNode(voRB26s3WiggleU, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3PlieR - kRB26s3PlieThickness / 2.;

  voRB26s3Wiggle->AddNode(voRB26s3WiggleC1, 2, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3PlieR - kRB26s3PlieThickness;

  voRB26s3Wiggle->AddNode(voRB26s3WiggleL, 1, new TGeoTranslation(0., 0., z0));

  voRB26s3Wiggle->GetShape()->ComputeBBox(); // enforce recomputing of BBox


  //

  // The bellow itself

  Float_t zBellowTot = kRB26s3NumberOfPlies * (static_cast<TGeoBBox*>(voRB26s3Wiggle->GetShape()))->GetDZ();

  TGeoVolume* voRB26s3Bellow =

    new TGeoVolume("RB26s3Bellow", new TGeoTube(kRB26s3BellowRi, kRB26s3BellowRo, zBellowTot), kMedVacHC);


  // Positioning of the volumes.

  //

  // A thirteen-convolution bellow has fourteen inner roots, so one lower plie

  // leads the thirteen wiggles. The pitch is not 4*PlieR - 2*PlieThickness: a

  // torus-and-disc wiggle is longer than the convolution it stands for, and at

  // that pitch the stack does not fit the bellow. There is no room to grow it

  // either, since only 0.01 cm separates this bellow from the right welding

  // tube. The pitch is therefore the one that makes the fourteen roots span the

  // bellow exactly, which is 1.5 per cent shorter.

  const Float_t kRB26s3PliePitch =

    (2. * zBellowTot - 2. * kRB26s3PlieR) / kRB26s3NumberOfPlies;

  const Float_t kRB26s3RootToWiggle = 3. * kRB26s3PlieR - 5. * kRB26s3PlieThickness / 2.;


  z0 = -zBellowTot + kRB26s3PlieR;

  voRB26s3Bellow->AddNode(voRB26s3WiggleL, 1, new TGeoTranslation(0., 0., z0));

  for (Int_t iw = 0; iw < kRB26s3NumberOfPlies; iw++) {

    Float_t zpos = z0 + (iw + 1) * kRB26s3PliePitch - kRB26s3RootToWiggle;

    voRB26s3Bellow->AddNode(voRB26s3Wiggle, iw + 1, new TGeoTranslation(0., 0., zpos));

  }


  voRB26s3Compensator->AddNode(voRB26s3Bellow, 1,

                               new TGeoTranslation(0., 0., kRB26s3WeldingTubeLeftL + zBellowTot));


  //

  // [Pos 2] Outer Protecting Tube

  //

  TGeoTube* shRB26s3CompProtTube = new TGeoTube(kRB26s3RingOuterR, kRB26s3ProtOuterR, kRB26s3ProtL);

  TGeoVolume* voRB26s3CompProtTube = new TGeoVolume("RB26s3CompProtTube", shRB26s3CompProtTube, kMedSteelHC);

  voRB26s3Compensator->AddNode(voRB26s3CompProtTube, 1, new TGeoTranslation(0., 0., kRB26s3ProtZ + kRB26s3ProtL));


  //

  // [Pos 3] Right Welding Tube

  //

  TGeoPcon* shRB26s3CompRightTube = new TGeoPcon(0., 360., 5);

  z0 = 0.;

  shRB26s3CompRightTube->DefineSection(0, z0, kRB26s3CompTubeInnerR3, kRB26s3CompTubeOuterR3);

  z0 += kRB26s3WeldingTubeT2;

  shRB26s3CompRightTube->DefineSection(1, z0, kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);

  z0 += kRB26s3WeldingTubeRightL2;

  shRB26s3CompRightTube->DefineSection(2, z0, kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);

  z0 += kRB26s3WeldingTubeT1;

  shRB26s3CompRightTube->DefineSection(3, z0, kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);

  z0 += kRB26s3WeldingTubeRightL1;

  shRB26s3CompRightTube->DefineSection(4, z0, kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);


  TGeoVolume* voRB26s3CompRightTube = new TGeoVolume("RB26s3CompRightTube", shRB26s3CompRightTube, kMedSteelHC);

  voRB26s3Compensator->AddNode(voRB26s3CompRightTube, 1, new TGeoTranslation(0., 0., kRB26s3CompL - z0));


  //

  // [Pos 4] Left Welding Tube

  //

  TGeoPcon* shRB26s3CompLeftTube = new TGeoPcon(0., 360., 5);

  z0 = 0.;

  shRB26s3CompLeftTube->DefineSection(0, z0, kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);

  z0 += kRB26s3WeldingTubeLeftL1;

  shRB26s3CompLeftTube->DefineSection(1, z0, kRB26s3CompTubeInnerR1, kRB26s3CompTubeOuterR1);

  z0 += kRB26s3WeldingTubeT1;

  shRB26s3CompLeftTube->DefineSection(2, z0, kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);

  z0 += kRB26s3WeldingTubeLeftL2;

  shRB26s3CompLeftTube->DefineSection(3, z0, kRB26s3CompTubeInnerR2, kRB26s3CompTubeOuterR2);

  z0 += kRB26s3WeldingTubeT2;

  shRB26s3CompLeftTube->DefineSection(4, z0, kRB26s3CompTubeInnerR3, kRB26s3CompTubeOuterR3);


  TGeoVolume* voRB26s3CompLeftTube = new TGeoVolume("RB26s3CompLeftTube", shRB26s3CompLeftTube, kMedSteelHC);

  voRB26s3Compensator->AddNode(voRB26s3CompLeftTube, 1, gGeoIdentity);

  //

  // [Pos 5] Ring

  //

  TGeoTube* shRB26s3CompRing = new TGeoTube(kRB26s3CompTubeOuterR2, kRB26s3RingOuterR, kRB26s3RingL);

  TGeoVolume* voRB26s3CompRing = new TGeoVolume("RB26s3CompRing", shRB26s3CompRing, kMedSteelHC);

  voRB26s3Compensator->AddNode(voRB26s3CompRing, 1, new TGeoTranslation(0., 0., kRB26s3RingZ + kRB26s3RingL));


  //                                       //

  //    RB26/4-5                           //

  //    Drawing LHCV2a_0012 [as installed] //

  //    Pos1 Vacuum Tubes        LHCVC2A__0014

  //    Pos2 Compensator         LHCVC2A__0066

  //    Pos3 Fixed Point Section LHCVC2A__0016

  //    Pos4 Split Flange        LHCVFX___0005

  //    Pos5 RotableFlange       LHCVFX___0009


  //    RB26/4-5 Vacuum Tubes      //

  //    Drawing  LHCVC2a_0014      //

  const Float_t kRB26s45TubeL = 593.12 + 0.3; // 0.3 cm added for welding


  TGeoPcon* shRB26s45Tube = new TGeoPcon(0., 360., 11);

  // Section 1: straight section

  shRB26s45Tube->DefineSection(0, 0.00, 30.00 / 2., 30.60 / 2.);

  shRB26s45Tube->DefineSection(1, 1.20, 30.00 / 2., 30.60 / 2.);

  shRB26s45Tube->DefineSection(2, 1.20, 30.00 / 2., 30.80 / 2.);

  shRB26s45Tube->DefineSection(3, 25.10, 30.00 / 2., 30.80 / 2.);

  // Section 2: 0.932 deg opening cone

  shRB26s45Tube->DefineSection(4, 486.10, 45.00 / 2., 45.80 / 2.);

  // Section 3: straight section 4 mm

  shRB26s45Tube->DefineSection(5, 512.10, 45.00 / 2., 45.80 / 2.);

  // Section 4: straight section 3 mm

  shRB26s45Tube->DefineSection(6, 512.10, 45.00 / 2., 45.60 / 2.);

  shRB26s45Tube->DefineSection(7, 527.70, 45.00 / 2., 45.60 / 2.);

  // Section 4: closing cone

  shRB26s45Tube->DefineSection(8, 591.30, 10.00 / 2., 10.60 / 2.);

  shRB26s45Tube->DefineSection(9, 591.89, 10.00 / 2., 10.30 / 2.);


  shRB26s45Tube->DefineSection(10, kRB26s45TubeL, 10.00 / 2., 10.30 / 2.);

  TGeoVolume* voRB26s45Tube = new TGeoVolume("RB26s45Tube", shRB26s45Tube, kMedSteelHC);


  TGeoVolume* voRB26s45TubeM = new TGeoVolume("RB26s45TubeM", MakeMotherFromTemplate(shRB26s45Tube), kMedVacHC);

  voRB26s45TubeM->AddNode(voRB26s45Tube, 1, gGeoIdentity);


  //    RB26/5   Axial Compensator //

  //    Drawing  LHCVC2a_0066      //

  const Float_t kRB26s5CompL = 27.60;           // Length of the compensator (0.30 cm added for welding)

  const Float_t kRB26s5BellowRo = 12.48 / 2.;   // Bellow outer radius        [Pos 1]

  const Float_t kRB26s5BellowRi = 10.32 / 2.;   // Bellow inner radius        [Pos 1]

  const Int_t kRB26s5NumberOfPlies = 15;        // Number of plies            [Pos 1]

  const Float_t kRB26s5BellowUndL = 10.50;      // Length of undulated region [Pos 1]

  const Float_t kRB26s5PlieThickness = 0.025;   // Plie thickness             [Pos 1]

  const Float_t kRB26s5ConnectionPlieR = 0.21;  // Connection plie radius     [Pos 1]

  const Float_t kRB26s5ConnectionR = 11.2 / 2.; // Bellow connection radius   [Pos 1]

  //  Plie radius

  const Float_t kRB26s5PlieR = (kRB26s5BellowUndL - 4. * kRB26s5ConnectionPlieR + 2. * kRB26s5PlieThickness +

                                (2. * kRB26s5NumberOfPlies - 2.) * kRB26s5PlieThickness) /

                               (4. * kRB26s5NumberOfPlies - 2.);

  const Float_t kRB26s5CompTubeInnerR = 10.00 / 2.;  // Connection tubes inner radius     [Pos 2 + 3]

  const Float_t kRB26s5CompTubeOuterR = 10.30 / 2.;  // Connection tubes outer radius     [Pos 2 + 3]

  const Float_t kRB26s5WeldingTubeLeftL = 3.70 / 2.; // Left connection tube half length  [Pos 2]

  const Float_t kRB26s5WeldingTubeRightL =

    13.40 / 2.;                                // Right connection tube half length [Pos 3]   (0.3 cm added for welding)

  const Float_t kRB26s5RingInnerR = 11.2 / 2.; // Ring inner radius                 [Pos 4]

  const Float_t kRB26s5RingOuterR = 16.0 / 2.; // Ring inner radius                 [Pos 4]

  const Float_t kRB26s5RingL = 0.4 / 2.;       // Ring half length                  [Pos 4]

  const Float_t kRB26s5RingZ = 14.97;          // Ring z-position                   [Pos 4]

  const Float_t kRB26s5ProtOuterR = 16.2 / 2.; // Protection tube outer radius      [Pos 5]

  const Float_t kRB26s5ProtL = 13.0 / 2.;      // Protection tube half length       [Pos 5]

  const Float_t kRB26s5ProtZ = 2.17;           // Protection tube z-position        [Pos 5]

  const Float_t kRB26s5DetailZR = 11.3 / 2.;   // Detail Z max radius


  // Mother volume

  //

  TGeoPcon* shRB26s5Compensator = new TGeoPcon(0., 360., 8);

  shRB26s5Compensator->DefineSection(0, 0.0, 0., kRB26s5CompTubeOuterR);

  shRB26s5Compensator->DefineSection(1, kRB26s5ProtZ, 0., kRB26s5CompTubeOuterR);

  shRB26s5Compensator->DefineSection(2, kRB26s5ProtZ, 0., kRB26s5ProtOuterR);

  shRB26s5Compensator->DefineSection(3, kRB26s5ProtZ + 2. * kRB26s5ProtL + 2. * kRB26s5RingL, 0., kRB26s5ProtOuterR);

  shRB26s5Compensator->DefineSection(4, kRB26s5ProtZ + 2. * kRB26s5ProtL + 2. * kRB26s5RingL, 0., kRB26s5DetailZR);

  shRB26s5Compensator->DefineSection(5, kRB26s5CompL - 8., 0., kRB26s5DetailZR);

  shRB26s5Compensator->DefineSection(6, kRB26s5CompL - 8., 0., kRB26s5CompTubeOuterR);

  shRB26s5Compensator->DefineSection(7, kRB26s5CompL, 0., kRB26s5CompTubeOuterR);

  TGeoVolume* voRB26s5Compensator = new TGeoVolume("RB26s5Compensator", shRB26s5Compensator, kMedVacHC);


  //

  // [Pos 1] Bellow

  //

  //

  TGeoVolume* voRB26s5Bellow =

    new TGeoVolume("RB26s5Bellow", new TGeoTube(kRB26s5BellowRi, kRB26s5BellowRo, kRB26s5BellowUndL / 2.), kMedVacHC);

  //

  //  Upper part of the undulation

  //

  TGeoTorus* shRB26s5PlieTorusU =

    new TGeoTorus(kRB26s5BellowRo - kRB26s5PlieR, kRB26s5PlieR - kRB26s5PlieThickness, kRB26s5PlieR);

  shRB26s5PlieTorusU->SetName("RB26s5TorusU");

  TGeoTube* shRB26s5PlieTubeU = new TGeoTube(kRB26s5BellowRo - kRB26s5PlieR, kRB26s5BellowRo, kRB26s5PlieR);

  shRB26s5PlieTubeU->SetName("RB26s5TubeU");

  TGeoCompositeShape* shRB26s5UpperPlie = new TGeoCompositeShape("RB26s5UpperPlie", "RB26s5TorusU*RB26s5TubeU");


  TGeoVolume* voRB26s5WiggleU = new TGeoVolume("RB26s5UpperPlie", shRB26s5UpperPlie, kMedSteelHC);

  //

  // Lower part of the undulation

  TGeoTorus* shRB26s5PlieTorusL =

    new TGeoTorus(kRB26s5BellowRi + kRB26s5PlieR, kRB26s5PlieR - kRB26s5PlieThickness, kRB26s5PlieR);

  shRB26s5PlieTorusL->SetName("RB26s5TorusL");

  TGeoTube* shRB26s5PlieTubeL = new TGeoTube(kRB26s5BellowRi, kRB26s5BellowRi + kRB26s5PlieR, kRB26s5PlieR);

  shRB26s5PlieTubeL->SetName("RB26s5TubeL");

  TGeoCompositeShape* shRB26s5LowerPlie = new TGeoCompositeShape("RB26s5LowerPlie", "RB26s5TorusL*RB26s5TubeL");


  TGeoVolume* voRB26s5WiggleL = new TGeoVolume("RB26s5LowerPlie", shRB26s5LowerPlie, kMedSteelHC);


  //

  // Connection between upper and lower part of undulation

  TGeoVolume* voRB26s5WiggleC1 = new TGeoVolume(

    "RB26s5PlieConn1",

    new TGeoTube(kRB26s5BellowRi + kRB26s5PlieR, kRB26s5BellowRo - kRB26s5PlieR, kRB26s5PlieThickness / 2.), kMedSteelHC);

  //

  // One wiggle

  TGeoVolumeAssembly* voRB26s5Wiggle = new TGeoVolumeAssembly("RB26s5Wiggle");

  z0 = -kRB26s5PlieThickness / 2.;

  voRB26s5Wiggle->AddNode(voRB26s5WiggleC1, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s5PlieR - kRB26s5PlieThickness / 2.;

  voRB26s5Wiggle->AddNode(voRB26s5WiggleU, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s5PlieR - kRB26s5PlieThickness / 2.;

  voRB26s5Wiggle->AddNode(voRB26s5WiggleC1, 2, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s5PlieR - kRB26s5PlieThickness;

  voRB26s5Wiggle->AddNode(voRB26s5WiggleL, 1, new TGeoTranslation(0., 0., z0));

  // Positioning of the volumes

  z0 = -kRB26s5BellowUndL / 2. + kRB26s5ConnectionPlieR;

  voRB26s5Bellow->AddNode(voRB26s5WiggleL, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s5ConnectionPlieR;

  zsh = 4. * kRB26s5PlieR - 2. * kRB26s5PlieThickness;

  for (Int_t iw = 0; iw < kRB26s5NumberOfPlies; iw++) {

    Float_t zpos = z0 + iw * zsh;

    voRB26s5Bellow->AddNode(voRB26s5Wiggle, iw + 1, new TGeoTranslation(0., 0., zpos - kRB26s5PlieThickness));

  }


  voRB26s5Compensator->AddNode(voRB26s5Bellow, 1,

                               new TGeoTranslation(0., 0., 2. * kRB26s5WeldingTubeLeftL + kRB26s5BellowUndL / 2.));


  //

  // [Pos 2] Left Welding Tube

  //

  TGeoPcon* shRB26s5CompLeftTube = new TGeoPcon(0., 360., 3);

  z0 = 0;

  shRB26s5CompLeftTube->DefineSection(0, z0, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);

  z0 += 2 * kRB26s5WeldingTubeLeftL - (kRB26s5ConnectionR - kRB26s5CompTubeOuterR);

  shRB26s5CompLeftTube->DefineSection(1, z0, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);

  z0 += (kRB26s5ConnectionR - kRB26s5CompTubeOuterR);

  shRB26s5CompLeftTube->DefineSection(2, z0, kRB26s5ConnectionR - 0.15, kRB26s5ConnectionR);

  TGeoVolume* voRB26s5CompLeftTube = new TGeoVolume("RB26s5CompLeftTube", shRB26s5CompLeftTube, kMedSteelHC);

  voRB26s5Compensator->AddNode(voRB26s5CompLeftTube, 1, gGeoIdentity);

  //

  // [Pos 3] Right Welding Tube

  //

  TGeoPcon* shRB26s5CompRightTube = new TGeoPcon(0., 360., 11);

  // Detail Z

  shRB26s5CompRightTube->DefineSection(0, 0., kRB26s5CompTubeInnerR + 0.22, 11.2 / 2.);

  shRB26s5CompRightTube->DefineSection(1, 0.05, kRB26s5CompTubeInnerR + 0.18, 11.2 / 2.);

  shRB26s5CompRightTube->DefineSection(2, 0.22, kRB26s5CompTubeInnerR, 11.2 / 2. - 0.22);

  shRB26s5CompRightTube->DefineSection(3, 0.44, kRB26s5CompTubeInnerR, 11.2 / 2.);

  shRB26s5CompRightTube->DefineSection(4, 1.70, kRB26s5CompTubeInnerR, 11.2 / 2.);

  shRB26s5CompRightTube->DefineSection(5, 2.10, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);

  shRB26s5CompRightTube->DefineSection(6, 2.80, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);

  shRB26s5CompRightTube->DefineSection(7, 2.80, kRB26s5CompTubeInnerR, 11.3 / 2.);

  shRB26s5CompRightTube->DefineSection(8, 3.40, kRB26s5CompTubeInnerR, 11.3 / 2.);

  // Normal pipe

  shRB26s5CompRightTube->DefineSection(9, 3.50, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);

  shRB26s5CompRightTube->DefineSection(10, 2. * kRB26s5WeldingTubeRightL, kRB26s5CompTubeInnerR, kRB26s5CompTubeOuterR);


  TGeoVolume* voRB26s5CompRightTube = new TGeoVolume("RB26s5CompRightTube", shRB26s5CompRightTube, kMedSteelHC);

  voRB26s5Compensator->AddNode(voRB26s5CompRightTube, 1,

                               new TGeoTranslation(0., 0., kRB26s5CompL - 2. * kRB26s5WeldingTubeRightL));

  //

  // [Pos 4] Ring

  //

  TGeoTube* shRB26s5CompRing = new TGeoTube(kRB26s5RingInnerR, kRB26s5RingOuterR, kRB26s5RingL);

  TGeoVolume* voRB26s5CompRing = new TGeoVolume("RB26s5CompRing", shRB26s5CompRing, kMedSteelHC);

  voRB26s5Compensator->AddNode(voRB26s5CompRing, 1, new TGeoTranslation(0., 0., kRB26s5RingZ + kRB26s5RingL));


  //

  // [Pos 5] Outer Protecting Tube

  //

  TGeoTube* shRB26s5CompProtTube = new TGeoTube(kRB26s5RingOuterR, kRB26s5ProtOuterR, kRB26s5ProtL);

  TGeoVolume* voRB26s5CompProtTube = new TGeoVolume("RB26s5CompProtTube", shRB26s5CompProtTube, kMedSteelHC);

  voRB26s5Compensator->AddNode(voRB26s5CompProtTube, 1, new TGeoTranslation(0., 0., kRB26s5ProtZ + kRB26s5ProtL));


  //    RB26/4   Fixed Point Section   //

  //    Drawing  LHCVC2a_0016          //

  const Float_t kRB26s4TubeRi = 30.30 / 2.;      // Tube inner radius  (0.3 cm added for welding)

  const Float_t kRB26s4TubeRo = 30.60 / 2.;      // Tube outer radius

  const Float_t kRB26s4FixedPointL = 12.63;      // Length of the fixed point section

  const Float_t kRB26s4FixedPointZ = 10.53;      // Position of the ring (0.15 added for welding)

  const Float_t kRB26s4FixedPointD = 0.595;      // Width of the ring

  const Float_t kRB26s4FixedPointR = 31.60 / 2.; // Radius of the ring


  TGeoPcon* shRB26s4FixedPoint = new TGeoPcon(0., 360., 6);

  z0 = 0.;

  shRB26s4FixedPoint->DefineSection(0, z0, kRB26s4TubeRi, kRB26s4TubeRo);

  z0 += kRB26s4FixedPointZ;

  shRB26s4FixedPoint->DefineSection(1, z0, kRB26s4TubeRi, kRB26s4TubeRo);

  shRB26s4FixedPoint->DefineSection(2, z0, kRB26s4TubeRi, kRB26s4FixedPointR);

  z0 += kRB26s4FixedPointD;

  shRB26s4FixedPoint->DefineSection(3, z0, kRB26s4TubeRi, kRB26s4FixedPointR);

  shRB26s4FixedPoint->DefineSection(4, z0, kRB26s4TubeRi, kRB26s4TubeRo);

  z0 = kRB26s4FixedPointL;

  shRB26s4FixedPoint->DefineSection(5, z0, kRB26s4TubeRi, kRB26s4TubeRo);

  TGeoVolume* voRB26s4FixedPoint = new TGeoVolume("RB26s4FixedPoint", shRB26s4FixedPoint, kMedSteelHC);


  TGeoVolume* voRB26s4FixedPointM =

    new TGeoVolume("RB26s4FixedPointM", MakeMotherFromTemplate(shRB26s4FixedPoint), kMedVacHC);

  voRB26s4FixedPointM->AddNode(voRB26s4FixedPoint, 1, gGeoIdentity);


  //    RB26/4   Split Flange          //

  //    Drawing  LHCVFX__0005          //

  const Float_t kRB26s4SFlangeL = 2.99;         // Length of the flange

  const Float_t kRB26s4SFlangeD1 = 0.85;        // Length of section 1

  const Float_t kRB26s4SFlangeD2 = 0.36;        // Length of section 2

  const Float_t kRB26s4SFlangeD3 = 0.73 + 1.05; // Length of section 3

  const Float_t kRB26s4SFlangeRo = 36.20 / 2.;  // Flange outer radius

  const Float_t kRB26s4SFlangeRi1 = 30.60 / 2.; // Flange inner radius section 1

  const Float_t kRB26s4SFlangeRi2 = 30.00 / 2.; // Flange inner radius section 2

  const Float_t kRB26s4SFlangeRi3 = 30.60 / 2.; // Flange inner radius section 3

  z0 = 0;

  TGeoPcon* shRB26s4SFlange = new TGeoPcon(0., 360., 6);

  z0 = 0.;

  shRB26s4SFlange->DefineSection(0, z0, kRB26s4SFlangeRi1, kRB26s4SFlangeRo);

  z0 += kRB26s4SFlangeD1;

  shRB26s4SFlange->DefineSection(1, z0, kRB26s4SFlangeRi1, kRB26s4SFlangeRo);

  shRB26s4SFlange->DefineSection(2, z0, kRB26s4SFlangeRi2, kRB26s4SFlangeRo);

  z0 += kRB26s4SFlangeD2;

  shRB26s4SFlange->DefineSection(3, z0, kRB26s4SFlangeRi2, kRB26s4SFlangeRo);

  shRB26s4SFlange->DefineSection(4, z0, kRB26s4SFlangeRi3, kRB26s4SFlangeRo);

  z0 += kRB26s4SFlangeD3;

  shRB26s4SFlange->DefineSection(5, z0, kRB26s4SFlangeRi3, kRB26s4SFlangeRo);

  TGeoVolume* voRB26s4SFlange = new TGeoVolume("RB26s4SFlange", shRB26s4SFlange, kMedSteelHC);


  TGeoVolume* voRB26s4SFlangeM =

    new TGeoVolume("RB26s4SFlangeM", MakeMotherFromTemplate(shRB26s4SFlange, 0, 3), kMedVacHC);

  voRB26s4SFlangeM->AddNode(voRB26s4SFlange, 1, gGeoIdentity);


  //    RB26/5   Rotable Flange        //

  //    Drawing  LHCVFX__0009          //

  const Float_t kRB26s5RFlangeL = 1.86;         // Length of the flange

  const Float_t kRB26s5RFlangeD1 = 0.61;        // Length of section 1

  const Float_t kRB26s5RFlangeD2 = 0.15;        // Length of section 2

  const Float_t kRB26s5RFlangeD3 = 0.60;        // Length of section 3

  const Float_t kRB26s5RFlangeD4 = 0.50;        // Length of section 4

  const Float_t kRB26s5RFlangeRo = 15.20 / 2.;  // Flange outer radius

  const Float_t kRB26s5RFlangeRi1 = 10.30 / 2.; // Flange inner radius section 1

  const Float_t kRB26s5RFlangeRi2 = 10.00 / 2.; // Flange inner radius section 2

  const Float_t kRB26s5RFlangeRi3 = 10.30 / 2.; // Flange inner radius section 3

  const Float_t kRB26s5RFlangeRi4 = 10.50 / 2.; // Flange inner radius section 4


  z0 = 0;

  TGeoPcon* shRB26s5RFlange = new TGeoPcon(0., 360., 8);

  z0 = 0.;

  shRB26s5RFlange->DefineSection(0, z0, kRB26s5RFlangeRi4, kRB26s5RFlangeRo);

  z0 += kRB26s5RFlangeD4;

  shRB26s5RFlange->DefineSection(1, z0, kRB26s5RFlangeRi4, kRB26s5RFlangeRo);

  shRB26s5RFlange->DefineSection(2, z0, kRB26s5RFlangeRi3, kRB26s5RFlangeRo);

  z0 += kRB26s5RFlangeD3;

  shRB26s5RFlange->DefineSection(3, z0, kRB26s5RFlangeRi3, kRB26s5RFlangeRo);

  shRB26s5RFlange->DefineSection(4, z0, kRB26s5RFlangeRi2, kRB26s5RFlangeRo);

  z0 += kRB26s5RFlangeD2;

  shRB26s5RFlange->DefineSection(5, z0, kRB26s5RFlangeRi2, kRB26s5RFlangeRo);

  shRB26s5RFlange->DefineSection(6, z0, kRB26s5RFlangeRi1, kRB26s5RFlangeRo);

  z0 += kRB26s5RFlangeD1;

  shRB26s5RFlange->DefineSection(7, z0, kRB26s5RFlangeRi1, kRB26s5RFlangeRo);

  TGeoVolume* voRB26s5RFlange = new TGeoVolume("RB26s5RFlange", shRB26s5RFlange, kMedSteelHC);


  TGeoVolume* voRB26s5RFlangeM =

    new TGeoVolume("RB26s5RFlangeM", MakeMotherFromTemplate(shRB26s5RFlange, 4, 7), kMedVacHC);

  voRB26s5RFlangeM->AddNode(voRB26s5RFlange, 1, gGeoIdentity);


  //

  // Assemble RB26/1-2

  //

  TGeoVolumeAssembly* asRB26s12 = new TGeoVolumeAssembly("RB26s12");

  z0 = 0.;

  //  asRB26s12->AddNode(voRB26s1RFlange, 1, gGeoIdentity);

  barrel->AddNode(voRB26s1RFlange, 1, new TGeoCombiTrans(0., 30., -82, rot180));

  z0 += kRB26s1RFlangeIsL + kRB26s1RFlangeFpL;

  barrel->AddNode(voRB26s12TubeM, 1, new TGeoCombiTrans(0., 30., -82. - z0, rot180));

  z0 += kRB26s12TubeL;

  asRB26s12->AddNode(voRB26s12msTubeM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s12TubeL2;

  asRB26s12->AddNode(voRB26s2Compensator, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s2CompL;

  z0 -= kRB26s2FFlangeD1;

  asRB26s12->AddNode(voRB26s2FFlangeM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s2FFlangeL;

  const Float_t kRB26s12L = z0;


  //

  // Assemble RB26/3

  //

  TGeoVolumeAssembly* asRB26s3 = new TGeoVolumeAssembly("RB26s3");

  z0 = 0.;

  asRB26s3->AddNode(voRB26s3SFlangeM, 1, gGeoIdentity);

  z0 += kRB26s3SFlangeL;

  z0 -= kRB26s3SFlangeD3;

  asRB26s3->AddNode(voRB26s3FixedPointM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3FixedPointL;

  asRB26s3->AddNode(voRB26s3TubeM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3TubeL;

  asRB26s3->AddNode(voRB26s3Compensator, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3CompL;

  z0 -= kRB26s3FFlangeD1;

  asRB26s3->AddNode(voRB26s3FFlangeM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3FFlangeL;

  const Float_t kRB26s3L = z0;


  //

  // Assemble RB26/4-5

  //

  TGeoVolumeAssembly* asRB26s45 = new TGeoVolumeAssembly("RB26s45");

  z0 = 0.;

  asRB26s45->AddNode(voRB26s4SFlangeM, 1, gGeoIdentity);

  z0 += kRB26s4SFlangeL;

  z0 -= kRB26s4SFlangeD3;

  asRB26s45->AddNode(voRB26s4FixedPointM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s4FixedPointL;

  asRB26s45->AddNode(voRB26s45TubeM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s45TubeL;

  asRB26s45->AddNode(voRB26s5Compensator, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s5CompL;

  z0 -= kRB26s5RFlangeD3;

  z0 -= kRB26s5RFlangeD4;

  asRB26s45->AddNode(voRB26s5RFlangeM, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s5RFlangeL;

  const Float_t kRB26s45L = z0;


  //

  // Assemble RB26

  //

  TGeoVolumeAssembly* asRB26Pipe = new TGeoVolumeAssembly("RB26Pipe");

  z0 = 0.;

  asRB26Pipe->AddNode(asRB26s12, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s12L;

  asRB26Pipe->AddNode(asRB26s3, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s3L;

  asRB26Pipe->AddNode(asRB26s45, 1, new TGeoTranslation(0., 0., z0));

  z0 += kRB26s45L;

  top->AddNode(asRB26Pipe, 1, new TGeoCombiTrans(0., 0., -82., rot180));

}


void Pipe::createMaterials()

{

  //

  // Define materials for beam pipe

  //

  Int_t isxfld = 2.;

  Float_t sxmgmx = 10.;

  o2::base::Detector::initFieldTrackingParams(isxfld, sxmgmx);


  // Steel (Inox)

  Float_t asteel[4] = {55.847, 51.9961, 58.6934, 28.0855};

  Float_t zsteel[4] = {26., 24., 28., 14.};

  Float_t wsteel[4] = {.715, .18, .1, .005};

  // AlBe - alloy

  Float_t aAlBe[2] = {26.98, 9.01}; // al=2.702 be=1.8477

  Float_t zAlBe[2] = {13.00, 4.00};

  Float_t wAlBe[2] = {0.4, 0.6};

  // Polyamid

  Float_t aPA[4] = {16., 14., 12., 1.};

  Float_t zPA[4] = {8., 7., 6., 1.};

  Float_t wPA[4] = {1., 1., 6., 11.};

  // Polyimide film

  Float_t aPI[4] = {16., 14., 12., 1.};

  Float_t zPI[4] = {8., 7., 6., 1.};

  Float_t wPI[4] = {5., 2., 22., 10.};

  // Rohacell

  Float_t aRohacell[4] = {16., 14., 12., 1.};

  Float_t zRohacell[4] = {8., 7., 6., 1.};

  Float_t wRohacell[4] = {2., 1., 9., 13.};

  // Air

  Float_t aAir[4] = {12.0107, 14.0067, 15.9994, 39.948};

  Float_t zAir[4] = {6., 7., 8., 18.};

  Float_t wAir[4] = {0.000124, 0.755267, 0.231781, 0.012827};

  Float_t dAir = 1.20479E-3;

  Float_t dAir1 = 1.20479E-11;

  // Insulation powder

  //                    Si         O       Ti     Al

  Float_t ains[4] = {28.0855, 15.9994, 47.867, 26.982};

  Float_t zins[4] = {14., 8., 22., 13.};

  Float_t wins[4] = {0.3019, 0.4887, 0.1914, 0.018};

  //

  //

  // Anticorodal

  //

  // Al Si7 Mg 0.6

  //

  Float_t aaco[3] = {26.982, 28.0855, 24.035};

  Float_t zaco[3] = {13., 14., 12.};

  Float_t waco[3] = {0.924, 0.07, 0.006};

  // Kapton

  //

  Float_t aKapton[4] = {1.00794, 12.0107, 14.010, 15.9994};

  Float_t zKapton[4] = {1., 6., 7., 8.};

  Float_t wKapton[4] = {0.026362, 0.69113, 0.07327, 0.209235};

  Float_t dKapton = 1.42;

  // NEG coating

  //                  Ti     V      Zr

  Float_t aNEG[4] = {47.87, 50.94, 91.24};

  Float_t zNEG[4] = {22.00, 23.00, 40.00};

  Float_t wNEG[4] = {1. / 3., 1. / 3., 1. / 3.};

  Float_t dNEG = 5.6; // ?


  //---------------------------------

  // Aluminium AA 5083 for MFT: Al Manganese(Mn) Magnesium(Mg) Chrome(Cr)

  Float_t aALU5083[4] = {26.982, 54.938, 24.305, 51.996}; // Mg pas meme a que la ligne Anticorodal!

  Float_t zALU5083[4] = {13., 25., 12., 24.};

  Float_t wALU5083[4] = {0.947, 0.007, 0.044, 0.0015};

  // Aluminium AA 2219 for MFT: Al Cu Mn Ti V Zr

  Float_t aALU2219[6] = {26.982, 63.546, 54.938, 47.867, 50.941, 91.224};

  Float_t zALU2219[6] = {13., 29., 25., 22., 23., 40.};

  Float_t wALU2219[6] = {0.93, 0.063, 0.003, 0.0006, 0.001, 0.0018};

  // Aluminium AA 7075 for beam pipe support (wings): Al Zn Mg Cu

  Float_t aALU7075[4] = {26.982, 65.38, 24.305, 63.546};

  Float_t zALU7075[4] = {13., 30., 12., 29.};

  Float_t wALU7075[4] = {0.902, 0.06, 0.024, 0.014};

  //---------------------------------


  // ****************

  //     Defines tracking media parameters.

  //

  Float_t epsil = .1;     // Tracking precision,

  Float_t stemax = -0.01; // Maximum displacement for multiple scat

  Float_t tmaxfd = -20.;  // Maximum angle due to field deflection

  Float_t deemax = -.3;   // Maximum fractional energy loss, DLS

  Float_t stmin = -.8;

  // ***************

  //


  auto& matmgr = o2::base::MaterialManager::Instance();


  //    Beryllium

  matmgr.Material("PIPE", 5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);

  matmgr.Medium("PIPE", 5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //    Copper

  matmgr.Material("PIPE", 10, "COPPER", 63.55, 29, 8.96, 1.43, 85.6 / 8.96);

  matmgr.Material("PIPE", 30, "COPPER_NF", 63.55, 29, 8.96, 1.43, 85.6 / 8.96);

  matmgr.Material("PIPE", 50, "COPPER_HC", 63.55, 29, 8.96, 1.43, 85.6 / 8.96);

  matmgr.Material("PIPE", 70, "COPPER_NFHC", 63.55, 29, 8.96, 1.43, 85.6 / 8.96);


  matmgr.Medium("PIPE", 10, "CU", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 30, "CU_NF", 30, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 50, "CU_HC", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 70, "CU_NFHC", 70, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //    Air

  matmgr.Mixture("PIPE", 15, "AIR$      ", aAir, zAir, dAir, 4, wAir);

  matmgr.Mixture("PIPE", 35, "AIR_HIGH$ ", aAir, zAir, dAir, 4, wAir);

  matmgr.Mixture("PIPE", 55, "AIR_NF ", aAir, zAir, dAir, 4, wAir);

  matmgr.Medium("PIPE", 15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 35, "AIR_HIGH", 35, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 55, "AIR_NF", 55, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //    Insulation

  matmgr.Mixture("PIPE", 14, "INSULATION0$", ains, zins, 0.41, 4, wins);

  matmgr.Medium("PIPE", 14, "INS_C0", 14, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //

  //    Vacuum

  matmgr.Mixture("PIPE", 16, "VACUUM$ ", aAir, zAir, dAir1, 4, wAir);

  matmgr.Mixture("PIPE", 36, "VACUUM$_NF", aAir, zAir, dAir1, 4, wAir);

  matmgr.Mixture("PIPE", 56, "VACUUM$_HC ", aAir, zAir, dAir1, 4, wAir);

  matmgr.Mixture("PIPE", 76, "VACUUM$_NFHC", aAir, zAir, dAir1, 4, wAir);


  matmgr.Medium("PIPE", 16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 36, "VACUUM_NF", 36, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 56, "VACUUM_HC", 56, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 76, "VACUUM_NFHC", 76, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //

  //    Steel

  matmgr.Mixture("PIPE", 19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);

  matmgr.Mixture("PIPE", 39, "STAINLESS STEEL$_NF", asteel, zsteel, 7.88, 4, wsteel);

  matmgr.Mixture("PIPE", 59, "STAINLESS STEEL$_HC", asteel, zsteel, 7.88, 4, wsteel);

  matmgr.Mixture("PIPE", 79, "STAINLESS STEEL$_NFHC", asteel, zsteel, 7.88, 4, wsteel);


  matmgr.Medium("PIPE", 19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 39, "INOX_NF", 39, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 59, "INOX_HC", 59, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 79, "INOX_NFHC", 79, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //----------------- for the MFT ----------------------

  matmgr.Mixture("PIPE", 63, "ALUMINIUM5083$", aALU5083, zALU5083, 2.66, 4, wALU5083); // from aubertduval.fr

  matmgr.Mixture("PIPE", 64, "ALUMINIUM2219$", aALU2219, zALU2219, 2.84, 6, wALU2219); // from aubertduval.fr

  matmgr.Medium("PIPE", 63, "AA5083", 63, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

  matmgr.Medium("PIPE", 64, "AA2219", 64, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //----------------------------------------------------

  matmgr.Mixture("PIPE", 65, "PI$", aPI, zPI, 1.42, -4, wPI);

  matmgr.Medium("PIPE", 65, "POLYIMIDE", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  //---------------------------------

  //     Carbon Fiber M55J

  matmgr.Material("PIPE", 66, "M55J6K$", 12.0107, 6, 1.92, 999, 999);

  matmgr.Medium("PIPE", 66, "M55J6K", 66, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  // Rohacell

  matmgr.Mixture("PIPE", 67, "Rohacell$", aRohacell, zRohacell, 0.03, -4, wRohacell);

  matmgr.Medium("PIPE", 67, "ROHACELL", 67, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  // Titanium

  matmgr.Material("PIPE", 22, "Titanium$", 47.867, 22, 4.54, 3.560, 27.80);

  matmgr.Medium("PIPE", 22, "TITANIUM", 22, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);


  // Alu 7075 (ZICRAL)

  matmgr.Mixture("PIPE", 68, "ALUMINIUM7075$", aALU7075, zALU7075, 2.810, -4, wALU7075);

  matmgr.Medium("PIPE", 68, "AA7075", 68, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);

}


TGeoPcon* Pipe::MakeMotherFromTemplate(const TGeoPcon* shape, Int_t imin, Int_t imax, Float_t r0, Int_t nz)

{

  //

  //  Create a mother shape from a template setting some min radii to 0

  //

  Int_t nz0 = shape->GetNz();

  // if nz > -1 the number of planes is given by nz

  if (nz != -1) {

    nz0 = nz;

  }

  TGeoPcon* mother = new TGeoPcon(0., 360., nz0);


  if (imin == -1 || imax == -1) {

    imin = 0;

    imax = shape->GetNz();

  } else if (imax >= nz0) {

    imax = nz0 - 1;

    printf("Warning: imax reset to nz-1 %5d %5d %5d %5d\n", imin, imax, nz, nz0);

  }


  // construct the sections dynamically since duplications have to be avoided

  std::vector<double> pconparams;

  pconparams.reserve(nz0);

  pconparams.push_back(0.);

  pconparams.push_back(360);

  pconparams.push_back(nz0);

  int zplanecounter = 0;


  auto addSection = [&pconparams, &zplanecounter](double z, double rmin, double rmax) {

    pconparams.push_back(z);

    pconparams.push_back(rmin);

    pconparams.push_back(rmax);

    zplanecounter++;

  };


  double zlast, rminlast, rmaxlast;

  for (Int_t i = 0; i < shape->GetNz(); i++) {

    Double_t rmin = shape->GetRmin(i);

    if ((i >= imin) && (i <= imax)) {

      rmin = r0;

    }

    Double_t rmax = shape->GetRmax(i);

    Double_t z = shape->GetZ(i);

    if (i == 0 || (z != zlast || rmin != rminlast || rmax != rmaxlast)) {

      addSection(z, rmin, rmax);

    }

    zlast = z;

    rminlast = rmin;

    rmaxlast = rmax;

  }

  // correct dimension (unless the user chose the number of sections)

  if (nz == -1) {

    pconparams[2] = zplanecounter;

    // reinit polycon from parameters

    mother->SetDimensions(pconparams.data());

  } else {

    for (Int_t i = 0; i < zplanecounter; i++) {

      mother->DefineSection(i, pconparams[3 + 3 * i], pconparams[4 + 3 * i], pconparams[5 + 3 * i]);

    }

  }


  return mother;

}


TGeoPcon* Pipe::MakeInsulationFromTemplate(TGeoPcon* shape)

{

  //

  //  Create an beam pipe insulation layer shape from a template

  //

  Int_t nz = shape->GetNz();

  TGeoPcon* insu = new TGeoPcon(0., 360., nz);


  for (Int_t i = 0; i < nz; i++) {

    Double_t z = shape->GetZ(i);

    Double_t rmin = shape->GetRmin(i);

    Double_t rmax = shape->GetRmax(i);

    rmax += 0.5;

    shape->DefineSection(i, z, rmin, rmax);

    rmin = rmax - 0.5;

    insu->DefineSection(i, z, rmin, rmax);

  }

  return insu;

}


TGeoVolume* Pipe::MakeBellow(const char* ext, Int_t nc, Float_t rMin, Float_t rMax, Float_t dU, Float_t rPlie,

                             Float_t dPlie)

{

  // nc     Number of convolution

  // rMin   Inner radius of the bellow

  // rMax   Outer radius of the bellow

  // dU     Undulation length

  // rPlie  Plie radius

  // dPlie  Plie thickness

  auto& matmgr = o2::base::MaterialManager::Instance();

  const TGeoMedium* kMedVac = matmgr.getTGeoMedium("PIPE_VACUUM");

  const TGeoMedium* kMedSteel = matmgr.getTGeoMedium("PIPE_INOX");

  //

  //  Upper part of the undulation

  //

  std::string name, nameA, nameB;

  TGeoTorus* shPlieTorusU = new TGeoTorus(rMax - rPlie, rPlie - dPlie, rPlie);

  nameA = fmt::format("{:s}TorusU", ext);

  shPlieTorusU->SetName(nameA.c_str());

  TGeoTube* shPlieTubeU = new TGeoTube(rMax - rPlie, rMax, rPlie);

  nameB = fmt::format("{:s}TubeU", ext);

  shPlieTubeU->SetName(nameB.c_str());

  name = fmt::format("{:s}UpperPlie", ext);

  TGeoCompositeShape* shUpperPlie = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}*{:s}", nameA, nameB).c_str());


  TGeoVolume* voWiggleU = new TGeoVolume(name.c_str(), shUpperPlie, kMedSteel);

  //

  // Lower part of the undulation

  TGeoTorus* shPlieTorusL = new TGeoTorus(rMin + rPlie, rPlie - dPlie, rPlie);

  nameA = fmt::format("{:s}TorusL", ext);

  shPlieTorusL->SetName(nameA.c_str());

  TGeoTube* shPlieTubeL = new TGeoTube(rMin, rMin + rPlie, rPlie);

  nameB = fmt::format("{:s}TubeL", ext);

  shPlieTubeL->SetName(nameB.c_str());

  name = fmt::format("{:s}LowerPlie", ext);

  TGeoCompositeShape* shLowerPlie = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}*{:s}", nameA, nameB).c_str());


  TGeoVolume* voWiggleL = new TGeoVolume(name.c_str(), shLowerPlie, kMedSteel);


  //

  // Connection between upper and lower part of undulation

  TGeoVolume* voWiggleC1 = new TGeoVolume(fmt::format("{:s}PlieConn1", ext).c_str(), new TGeoTube(rMin + rPlie, rMax - rPlie, dPlie / 2.), kMedSteel);

  //

  // One wiggle

  Float_t dz = rPlie - dPlie / 2.;

  Float_t z0 = -dPlie / 2.;

  TGeoVolumeAssembly* asWiggle = new TGeoVolumeAssembly(fmt::format("{:s}Wiggle", ext).c_str());

  asWiggle->AddNode(voWiggleC1, 1, new TGeoTranslation(0., 0., z0));

  z0 += dz;

  asWiggle->AddNode(voWiggleU, 1, new TGeoTranslation(0., 0., z0));

  z0 += dz;

  asWiggle->AddNode(voWiggleC1, 2, new TGeoTranslation(0., 0., z0));

  z0 += dz;

  asWiggle->AddNode(voWiggleL, 1, new TGeoTranslation(0., 0., z0));

  asWiggle->GetShape()->ComputeBBox(); // enforce recomputing of BBox

  //

  Float_t zBellowTot = nc * (static_cast<TGeoBBox*>(asWiggle->GetShape()))->GetDZ();

  TGeoVolume* voBellow = new TGeoVolume(fmt::format("{:s}BellowUS", ext).c_str(), new TGeoTube(rMin, rMax, zBellowTot), kMedVac);

  // Positioning of the volumes

  z0 = -dU / 2. + rPlie;

  voBellow->AddNode(voWiggleL, 2, new TGeoTranslation(0., 0., z0));

  z0 += rPlie;

  Float_t zsh = 4. * rPlie - 2. * dPlie;

  for (Int_t iw = 0; iw < nc; iw++) {

    Float_t zpos = z0 + iw * zsh;

    voBellow->AddNode(asWiggle, iw + 1, new TGeoTranslation(0., 0., zpos - dPlie));

  }

  return voBellow;

}


TGeoVolume* Pipe::MakeBellowCside(const char* ext, Int_t nc, Float_t rMin, Float_t rMax, Float_t rPlie, Float_t dPlie)

{

  // nc     Number of convolution

  // rMin   Inner radius of the bellow

  // rMax   Outer radius of the bellow

  // dU     Undulation length

  // rPlie  Plie radius

  // dPlie  Plie thickness

  auto& matmgr = o2::base::MaterialManager::Instance();

  const TGeoMedium* kMedVac = matmgr.getTGeoMedium("PIPE_VACUUM");

  const TGeoMedium* kMedAlu5083 = matmgr.getTGeoMedium("PIPE_AA5083"); // fm


  Float_t dU = nc * (4. * rPlie - 2. * dPlie);


  std::string name, nameA, nameB;

  name = fmt::format("{:s}BellowUS", ext);

  //  TGeoVolume* voBellow = new TGeoVolume(name, new TGeoTube(rMin, rMax, dU/2.), kMedVac);

  TGeoVolumeAssembly* voBellow = new TGeoVolumeAssembly(name.c_str());

  //

  //  Upper part of the undulation

  //


  TGeoTorus* shPlieTorusU = new TGeoTorus(rMax - rPlie, rPlie - dPlie, rPlie);

  nameA = fmt::format("{:s}TorusU", ext);

  shPlieTorusU->SetName(nameA.c_str());

  TGeoTube* shPlieTubeU = new TGeoTube(rMax - rPlie, rMax, rPlie);

  nameB = fmt::format("{:s}TubeU", ext);

  shPlieTubeU->SetName(nameB.c_str());

  name = fmt::format("{:s}UpperPlie", ext);

  TGeoCompositeShape* shUpperPlie = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}*{:s}", nameA, nameB).c_str());


  TGeoVolume* voWiggleU = new TGeoVolume(name.c_str(), shUpperPlie, kMedAlu5083);

  voWiggleU->SetLineColor(kOrange); // fm


  // First Lower part of the ondulation

  TGeoTorus* shPlieTorusL = new TGeoTorus(rMin + rPlie, rPlie - dPlie, rPlie);

  nameA = fmt::format("{:s}TorusL", ext);

  shPlieTorusL->SetName(nameA.c_str());

  TGeoTranslation* t1 = new TGeoTranslation("t1", 0, 0, -rPlie / 2.);

  t1->RegisterYourself();


  TGeoTube* shPlieTubeL = new TGeoTube(rMin, rMin + rPlie, rPlie / 2.);

  nameB = fmt::format("{:s}TubeL", ext);

  shPlieTubeL->SetName(nameB.c_str());

  name = fmt::format("{:s}LowerPlie", ext);

  TGeoCompositeShape* shLowerPlie1 = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}*{:s}:t1", nameA, nameB).c_str());


  TGeoVolume* voWiggleL1 = new TGeoVolume(name.c_str(), shLowerPlie1, kMedAlu5083);

  voWiggleL1->SetLineColor(kOrange); // fm


  // Second Lower part of the undulation

  TGeoTranslation* t2 = new TGeoTranslation("t2", 0, 0, rPlie / 2.);

  t2->RegisterYourself();


  TGeoCompositeShape* shLowerPlie2 = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}*{:s}:t2", nameA, nameB).c_str());


  TGeoVolume* voWiggleL2 = new TGeoVolume(name.c_str(), shLowerPlie2, kMedAlu5083);

  voWiggleL2->SetLineColor(kOrange); // fm


  // Connection between upper and lower part of undulation

  name = fmt::format("{:s}PlieConn1", ext);

  TGeoVolume* voWiggleC1 = new TGeoVolume(name.c_str(), new TGeoTube(rMin + rPlie, rMax - rPlie, dPlie / 2.), kMedAlu5083);

  voWiggleC1->SetLineColor(kOrange); // fm


  //

  // Vacuum Part

  //


  //--Upper part of the ondulation


  TGeoTorus* vacPlieTorusU = new TGeoTorus(rMax - rPlie, 0., rPlie - dPlie);

  nameA = fmt::format("{:s}vacTorusU", ext);

  vacPlieTorusU->SetName(nameA.c_str());

  TGeoTube* vacPlieTubeU = new TGeoTube(0., rMax - rPlie, rPlie - dPlie);

  nameB = fmt::format("{:s}vacTubeU", ext);

  vacPlieTubeU->SetName(nameB.c_str());

  name = fmt::format("{:s}vacUpperPlie", ext);

  TGeoCompositeShape* vacUpperPlie = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}+{:s}", nameA, nameB).c_str());


  TGeoVolume* voVacWiggleU = new TGeoVolume(name.c_str(), vacUpperPlie, kMedVac);

  voVacWiggleU->SetVisibility(0);


  // First Lower part of the undulation

  TGeoTorus* vacPlieTorusL = new TGeoTorus(rMin + rPlie, 0., rPlie);

  nameA = fmt::format("{:s}vacTorusL", ext);

  vacPlieTorusL->SetName(nameA.c_str());


  TGeoTube* vacPlieTubeL = new TGeoTube(0., rMin + rPlie, rPlie / 2.);

  nameB = fmt::format("{:s}vacTubeL", ext);

  vacPlieTubeL->SetName(nameB.c_str());

  name = fmt::format("{:s}vacLowerPlie", ext);

  TGeoCompositeShape* vacLowerPlie1 = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}:t1-{:s}", nameB, nameA).c_str());


  TGeoVolume* voVacWiggleL1 = new TGeoVolume(name.c_str(), vacLowerPlie1, kMedVac);

  voVacWiggleL1->SetVisibility(0);


  // Second Lower part of the undulation

  TGeoCompositeShape* vacLowerPlie2 = new TGeoCompositeShape(name.c_str(), fmt::format("{:s}:t2-{:s}", nameB, nameA).c_str());


  TGeoVolume* voVacWiggleL2 = new TGeoVolume(name.c_str(), vacLowerPlie2, kMedVac);

  voVacWiggleL2->SetVisibility(0);


  // One wiggle

  Float_t dz = rPlie - dPlie / 2.;

  Float_t z0 = 2. * rPlie;

  name = fmt::format("{:s}Wiggle", ext);

  TGeoVolumeAssembly* asWiggle = new TGeoVolumeAssembly(name.c_str());


  asWiggle->AddNode(voWiggleL1, 1, new TGeoTranslation(0., 0., z0));

  asWiggle->AddNode(voVacWiggleL1, 1, new TGeoTranslation(0., 0., z0));

  z0 -= dz;

  asWiggle->AddNode(voWiggleC1, 1, new TGeoTranslation(0., 0., z0));

  z0 -= dz;

  asWiggle->AddNode(voWiggleU, 1, new TGeoTranslation(0., 0., z0));

  asWiggle->AddNode(voVacWiggleU, 1, new TGeoTranslation(0., 0., z0));

  z0 -= dz;

  asWiggle->AddNode(voWiggleC1, 2, new TGeoTranslation(0., 0., z0));

  z0 -= dz;

  asWiggle->AddNode(voWiggleL2, 1, new TGeoTranslation(0., 0., z0));

  asWiggle->AddNode(voVacWiggleL2, 1, new TGeoTranslation(0., 0., z0));


  // Positioning of the volumes

  z0 = +dU / 2.;

  Float_t zsh = 4. * dz;

  // for (Int_t iw = 0; iw < 1; iw++) {

  for (Int_t iw = 0; iw < nc; iw++) {

    Float_t zpos = z0 - iw * zsh;

    voBellow->AddNode(asWiggle, iw + 1, new TGeoTranslation(0., 0., zpos));

  }

  return voBellow;

}


// ----------------------------------------------------------------------------

FairModule* Pipe::CloneModule() const { return new Pipe(*this); }

ClassImp(o2::passive::Pipe);

Detector.h
Definition of the Detector class.

i
int32_t i
Definition GPUCommonAlgorithm.h:459

ClassImp
ClassImp(IdPath)

MaterialManager.h

FairModule

Float_t

TGeoBBox

o2::base::Detector::initFieldTrackingParams
static void initFieldTrackingParams(int &mode, float &maxfield)
Definition Detector.cxx:143

o2::base::MaterialManager::Instance
static MaterialManager & Instance()
Definition MaterialManager.h:68

o2::passive::PassiveBase
a common base class for passive modules - implementing generic functions
Definition PassiveBase.h:24

o2::passive::Pipe
Definition Pipe.h:25

o2::passive::Pipe::Pipe
Pipe()
Definition Pipe.cxx:47

o2::passive::Pipe::ConstructGeometry
void ConstructGeometry() override
Definition Pipe.cxx:67

o2::passive::Pipe::~Pipe
~Pipe() override

o2::passive::Pipe::CloneModule
FairModule * CloneModule() const override
Clone this object (used in MT mode only)
Definition Pipe.cxx:3205

x
GLint GLenum GLint x
Definition glcorearb.h:403

top
GLdouble GLdouble GLdouble GLdouble top
Definition glcorearb.h:4077

name
GLuint const GLchar * name
Definition glcorearb.h:781

y
GLint y
Definition glcorearb.h:270

y0
GLuint GLfloat GLfloat y0
Definition glcorearb.h:5034

z
GLdouble GLdouble GLdouble z
Definition glcorearb.h:843

t1
GLuint GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat GLfloat t1
Definition glcorearb.h:5034

o2::passive
Definition Absorber.h:20