ExTGDetectorConstructionWithCpp Class Reference

Detector construction class using text geometry file and C++ code. More...

#include <Doxymodules_persistency.h>

Inheritance diagram for ExTGDetectorConstructionWithCpp:

Public Member Functions
	ExTGDetectorConstructionWithCpp ()
	~ExTGDetectorConstructionWithCpp ()
G4VPhysicalVolume *	Construct ()

Private Attributes
G4tgrMessenger *	fMessenger

Detailed Description

Detector construction class using text geometry file and C++ code.

Definition at line 116 of file Doxymodules_persistency.h.

Constructor & Destructor Documentation

ExTGDetectorConstructionWithCpp()

ExTGDetectorConstructionWithCpp::ExTGDetectorConstructionWithCpp

(

)

Definition at line 39 of file ExTGDetectorConstructionWithCpp.cc.

{
  fMessenger = new G4tgrMessenger;
}

~ExTGDetectorConstructionWithCpp()

ExTGDetectorConstructionWithCpp::~ExTGDetectorConstructionWithCpp

(

)

Definition at line 45 of file ExTGDetectorConstructionWithCpp.cc.

{
  delete fMessenger;
}

Member Function Documentation

Construct()

G4VPhysicalVolume * ExTGDetectorConstructionWithCpp::Construct

(

)

Definition at line 51 of file ExTGDetectorConstructionWithCpp.cc.

{
  //------------------------------------------------ 
  // Define one or several text files containing the geometry description
  //------------------------------------------------ 
  G4String filename = "g4geom_simple.txt";
  G4tgbVolumeMgr* volmgr = G4tgbVolumeMgr::GetInstance();
  volmgr->AddTextFile(filename);
 
  //------------------------------------------------ 
  // Read the text files and construct the GEANT4 geometry
  //------------------------------------------------ 
  G4VPhysicalVolume* physiWorld = volmgr->ReadAndConstructDetector();
 
  //------------------------------------------------ 
  // Build another volume and place it in the text geometry
  //------------------------------------------------ 
  G4Box* solid = new G4Box("mybox",2.,2.,3.);
  
  G4Material* water = G4NistManager::Instance()->FindOrBuildMaterial("G4_Fe");
 
  G4LogicalVolume* logicVol = new G4LogicalVolume(solid,water,"mybox",0,0,0);
 
  //----- Place the volume in the world of the text geometry
  G4LogicalVolume* textWorldVol = physiWorld->GetLogicalVolume();
 
  // NOTE: if you want to place your full text geometry in the C++ geometry,
  //       you should use this G4LogicalVolume and place it in a C++ logical
  //       volume
  new G4PVPlacement(0,               // no rotation
                    G4ThreeVector(0.,-20.,0),  // at (x,y,z)
                    logicVol,        // its logical volume    
                    "myBox1",        // its name
                    textWorldVol,    // its mother  volume
                    false,           // no boolean operations
                    0);              // copy number 
  
  //----- Place the volume inside a volume of the text geometry
  G4LogicalVolume* textSphereVol =
    G4tgbVolumeMgr::GetInstance()->FindG4LogVol("sphere",1);
    new G4PVPlacement(0,             // no rotation
                    G4ThreeVector(0.,0.,0),  // at (x,y,z)
                    logicVol,        // its logical volume    
                    "myBox2",        // its name
                    textSphereVol,   // its mother  volume
                    false,           // no boolean operations
                    1);              // copy number 
  
  return physiWorld;
}

Member Data Documentation

fMessenger

G4tgrMessenger* ExTGDetectorConstructionWithCpp::fMessenger

private

Definition at line 51 of file ExTGDetectorConstructionWithCpp.hh.

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The documentation for this class was generated from the following files:

• .doxygen/Doxymodules_persistency.h
• extended/persistency/P03/include/ExTGDetectorConstructionWithCpp.hh
• extended/persistency/P03/src/ExTGDetectorConstructionWithCpp.cc