FT3BaseParam.h

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// 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.
 
#ifndef ALICEO2_FT3_BASEPARAM_H_
#define ALICEO2_FT3_BASEPARAM_H_
 
#include "CommonUtils/ConfigurableParam.h"
#include "CommonUtils/ConfigurableParamHelper.h"
 
namespace o2
{
namespace ft3
{
// Parameters for FT3 (ML and OT disks)
enum eFT3Layout {
  kCylindrical = 0,
  kTrapezoidal,
  kSegmented,
  kSegmentedStave,
  kSegmentedStaveOTOnly
};
struct FT3BaseParam : public o2::conf::ConfigurableParamHelper<FT3BaseParam> {
  // Geometry Builder parameters
  eFT3Layout layoutFT3 = kSegmentedStave;
  int nTrapezoidalSegments = 32; // for the simple trapezoidal disks
 
  // FT3Geometry::Telescope parameters
  Int_t nLayers = 10;
  Float_t z0 = -16.0;      // First layer z position
  Float_t zLength = 263.0; // Distance between first and last layers
  Float_t etaIn = 4.5;
  Float_t etaOut = 1.5;
  Float_t Layerx2X0 = 0.01;
 
  // define tolerance allowed for staves to go outside nominal radii
  double staveTolMLInner = 0.;
  double staveTolMLOuter = 0.;
  double staveTolOTInner = 0.;
  double staveTolOTOuter = 0.;
 
  /*
   * Place the sensor stacks from the tabulated layout in FT3ModuleConstants.h
   * (StaveConfig::exactStaveFills) instead of filling every stave greedily
   * with the stack sizes in kSensorsPerStack. The tabulated layout is taken as
   * given: none of the radial tolerances above are applied to it.
   */
  bool useExactStavePlacement = true;
 
  // Draw reference circles at inner and outer radius of stave layer, for visualisation
  bool drawReferenceCircles = false;
 
  O2ParamDef(FT3BaseParam, "FT3Base");
};
 
} // end namespace ft3
} // end namespace o2
 
#endif // ALICEO2_FT3_BASEPARAM_H_