TRKLayer.h

// 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_TRK_LAYER_H
#define ALICEO2_TRK_LAYER_H

#include <TGeoManager.h>
#include <Rtypes.h>

#include "TRKBase/TRKBaseParam.h"

namespace o2
{
namespace trk
{
class TRKLayer
{
 public:
  TRKLayer() = default;
  TRKLayer(int layerNumber, std::string layerName, float rInn, float rOut, float zLength, float layerX2X0);
  TRKLayer(int layerNumber, std::string layerName, float rInn, float zLength, float thick);
  ~TRKLayer() = default;

  void setLayout(eLayout layout) { mLayout = layout; };

  auto getInnerRadius() const { return mInnerRadius; }
  auto getOuterRadius() const { return mOuterRadius; }
  auto getZ() const { return mZ; }
  auto getx2X0() const { return mX2X0; }
  auto getChipThickness() const { return mChipThickness; }
  auto getNumber() const { return mLayerNumber; }
  auto getName() const { return mLayerName; }

  TGeoVolume* createSensor(std::string type, double width = -1);
  TGeoVolume* createChip(std::string type, double width = -1);
  TGeoVolume* createStave(std::string type, double width = -1);
  void createLayer(TGeoVolume* motherVolume);

 private:
  // TGeo objects outside logical volumes can cause errors. Only used in case of kStaggered and kTurboStaves layouts
  static constexpr float mLogicalVolumeThickness = 1;

  int mLayerNumber;
  std::string mLayerName;
  float mInnerRadius;
  float mOuterRadius;
  float mZ;
  float mX2X0;
  float mChipThickness;
  float mModuleWidth; // u.m. = cm
  eLayout mLayout;

  ClassDef(TRKLayer, 1);
};

} // namespace trk
} // namespace o2
#endif // ALICEO2_TRK_LAYER_H