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First version of MCH geometry and MCH hits. (#1144)
First version of MCH geometry and MCH hits.
1 parent 259aaea commit d3a0aed

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‎.gitignore‎

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.ycm_extra_conf.py
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# Datafiles
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gphysi.dat
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*.root
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*.o2tf
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‎Detectors/MUON/MCH/CMakeLists.txt‎

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@@ -2,3 +2,4 @@ add_subdirectory(Base)
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add_subdirectory(Contour)
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add_subdirectory(Mapping)
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add_subdirectory(PreClustering)
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add_subdirectory(Simulation)

‎Detectors/MUON/MCH/Contour/include/MCHContour/Helper.h‎

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#include <cmath>
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#include <limits>
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#include <cstdint>
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namespace o2
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{

‎Detectors/MUON/MCH/Simulation/CMakeLists.txt‎

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set(MODULE_NAME "MCHSimulation")
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O2_SETUP(NAME ${MODULE_NAME})
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set(SRCS
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src/Detector.cxx
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src/Geometry.cxx
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src/GeometryTest.cxx
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src/Hit.cxx
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src/Materials.cxx
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src/Materials.h
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src/Station1Geometry.cxx
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src/Station1Geometry.h
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src/Station2Geometry.cxx
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src/Station2Geometry.h
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src/Station345Geometry.cxx
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src/Station345Geometry.h
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src/Stepper.cxx
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src/Stepper.h
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)
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set(HEADERS
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include/${MODULE_NAME}/Detector.h
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include/${MODULE_NAME}/Geometry.h
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include/${MODULE_NAME}/GeometryTest.h
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include/${MODULE_NAME}/Hit.h
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)
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SET(LINKDEF src/MCHSimulationLinkDef.h)
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Set(LIBRARY_NAME ${MODULE_NAME})
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set(BUCKET_NAME mch_simulation_bucket)
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O2_GENERATE_LIBRARY()
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if(BUILD_TESTING)
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add_subdirectory(test)
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endif()

‎Detectors/MUON/MCH/Simulation/include/MCHSimulation/Detector.h‎

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// Copyright CERN and copyright holders of ALICE O2. This software is
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// distributed under the terms of the GNU General Public License v3 (GPL
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// Version 3), copied verbatim in the file "COPYING".
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//
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// See http://alice-o2.web.cern.ch/license for full licensing information.
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#ifndef O2_MCH_SIMULATION_DETECTOR_H
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#define O2_MCH_SIMULATION_DETECTOR_H
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#include "DetectorsBase/Detector.h"
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#include "MCHSimulation/Hit.h"
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#include <vector>
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#include <memory>
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namespace o2
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{
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namespace mch
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{
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class Stepper;
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class Detector : public o2::Base::DetImpl<Detector>
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{
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public:
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Detector(bool active = true);
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~Detector() override;
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Bool_t ProcessHits(FairVolume* v = nullptr) override;
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void Initialize() override;
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void Register() override;
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void Reset() override {}
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void ConstructGeometry() override;
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std::vector<o2::mch::Hit>* getHits(int);
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void EndOfEvent() override;
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private:
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void defineSensitiveVolumes();
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private:
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o2::mch::Stepper* mStepper{ nullptr }; //!
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ClassDefOverride(Detector, 1);
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};
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} // namespace mch
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} // namespace o2
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#endif

‎Detectors/MUON/MCH/Simulation/include/MCHSimulation/Geometry.h‎

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// Copyright CERN and copyright holders of ALICE O2. This software is
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// distributed under the terms of the GNU General Public License v3 (GPL
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// Version 3), copied verbatim in the file "COPYING".
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//
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// See http://alice-o2.web.cern.ch/license for full licensing information.
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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/// @file Geometry.h
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/// @brief Interface for MCH geometry creation
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#ifndef O2_MCH_SIMULATION_GEOMETRY_H
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#define O2_MCH_SIMULATION_GEOMETRY_H
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#include <vector>
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#include <iostream>
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#include "MathUtils/Cartesian3D.h"
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class TGeoVolume;
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class TGeoManager;
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namespace o2
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{
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namespace mch
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{
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/// createGeometry creates MCH geometry and attach it to existing topVolume
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void createGeometry(TGeoVolume& topVolume);
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/// get a list of MCH sensitive volumes
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std::vector<TGeoVolume*> getSensitiveVolumes();
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/// get the local-to-global transformation for a given detection element
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o2::Transform3D getTransformation(int detElemId, const TGeoManager& geo);
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} // namespace mch
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} // namespace o2
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#endif // O2_MCH_SIMULATION_GEOMETRY_H

‎Detectors/MUON/MCH/Simulation/include/MCHSimulation/GeometryTest.h‎

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// Copyright CERN and copyright holders of ALICE O2. This software is
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// distributed under the terms of the GNU General Public License v3 (GPL
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// Version 3), copied verbatim in the file "COPYING".
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//
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// See http://alice-o2.web.cern.ch/license for full licensing information.
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#ifndef O2_MCH_SIMULATION_GEOMETRYTEST_H
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#define O2_MCH_SIMULATION_GEOMETRYTEST_H
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#include <iostream>
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class TH2;
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namespace o2
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{
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namespace mch
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{
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namespace test
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{
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/// creates MCH geometry from scratch (i.e. from a null TGeoManager)
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/// usefull for tests or drawing for instance.
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void createStandaloneGeometry();
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/// tree like textual dump of the geometry nodes
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void showGeometryAsTextTree(const char* fromPath = "", int maxdepth = 2, std::ostream& out = std::cout);
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/// basic drawing of the geometry
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void drawGeometry();
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/// set the volume and daughter visibility for all volumes with a name matching the regexp pattern
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void setVolumeVisibility(const char* pattern, bool visible, bool visibleDaughters);
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/// set the volume line and fill for all volumes with a name matching the regexp pattern
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void setVolumeColor(const char* pattern, int lineColor, int fillColor);
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inline void setVolumeColor(const char* pattern, int color)
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{
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setVolumeColor(pattern, color, color);
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}
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/// get a radlen radiograph of a given detection element within box with the given granularity
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TH2* getRadio(int detElemId, float xmin, float ymin, float xmax, float ymax, float xstep, float ystep, float thickness = 5 /* cm */);
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class Dummy
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{
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// to force Root produce a dictionary for namespace test (seems it is doing it fully if there are only functions in the namespace)
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};
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} // namespace test
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} // namespace mch
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} // namespace o2
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#endif

‎Detectors/MUON/MCH/Simulation/include/MCHSimulation/Hit.h‎

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// Copyright CERN and copyright holders of ALICE O2. This software is
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// distributed under the terms of the GNU General Public License v3 (GPL
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// Version 3), copied verbatim in the file "COPYING".
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//
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// See http://alice-o2.web.cern.ch/license for full licensing information.
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//
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// In applying this license CERN does not waive the privileges and immunities
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// granted to it by virtue of its status as an Intergovernmental Organization
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// or submit itself to any jurisdiction.
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#ifndef O2_MCH_SIMULATION_HIT_H
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#define O2_MCH_SIMULATION_HIT_H
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#include "SimulationDataFormat/BaseHits.h"
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namespace o2
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{
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namespace mch
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{
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class Hit : public ::o2::BasicXYZEHit<float>
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{
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public:
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Hit(int trackId = 0, short detElemId = 0, Point3D<float> entrancePoint = {}, const Point3D<float> exitPoint = {},
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float eloss = 0.0, float length = 0.0, float tof = 0.0)
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: ::o2::BasicXYZEHit<float>(entrancePoint.x(), entrancePoint.y(), entrancePoint.z(), tof, eloss, trackId, detElemId), mLength{ length }, mExitPoint(exitPoint)
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{
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}
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Point3D<float> entrancePoint() const { return GetPos(); }
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Point3D<float> exitPoint() const { return mExitPoint; }
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float detElemId() const { return GetDetectorID(); }
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private:
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float mLength = {};
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Point3D<float> mExitPoint = {};
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ClassDefNV(Hit, 1);
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};
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} // namespace mch
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} // namespace o2
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#endif

‎Detectors/MUON/MCH/Simulation/macros/drawMCHGeometry.C‎

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#if !defined(__CLING__) || defined(__ROOTCLING__)
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#include "MCHSimulation/GeometryTest.h"
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#endif
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void drawMCHGeometry()
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{
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o2::mch::test::drawGeometry();
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}

‎Detectors/MUON/MCH/Simulation/macros/rootlogon.C‎

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{
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gSystem->Load("libMCHSimulation");
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gSystem->SetIncludePath(gSystem->Getenv("ROOT_INCLUDE_PATH"));
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}

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