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geant4/examples/extended/g3tog4/clGeometry/src/G3toG4DetectorConstruction.cc
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//
// ********************************************************************
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// * *
// * The following disclaimer summarizes all the specific disclaimers *
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// * govern, are listed with their locations in: *
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// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
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// * This code implementation is the intellectual property of the *
// * GEANT4 collaboration. *
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// * based on the Program) you indicate your acceptance of this *
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//
//
// $Id: G3toG4DetectorConstruction.cc,v 1.4 2003/07/04 15:55:01 gcosmo Exp $
// GEANT4 tag $Name: geant4-08-00 $
//
//--------------------------------------------------------------------------
// G3toG4DetectorConstruction. Most the work is Done in
// G4BuildGeom, which returns a G4LogicalVolume*, a pointer to the
// top-level logiical volume in the detector defined by the call List file
// inFile
//--------------------------------------------------------------------------
#include "G4ios.hh"
#include "G3toG4DetectorConstruction.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include "G4Material.hh"
#include "G4Box.hh"
G3toG4DetectorConstruction::G3toG4DetectorConstruction(G4String inFile){
_inFile = inFile;
G4cout << "Instantiated G3toG4DetectorConstruction using call list file \""
<< _inFile << "\"" << G4endl;
}
G3toG4DetectorConstruction::~G3toG4DetectorConstruction(){
// G4cout << "Deleted G3toG4DetectorConstruction..." << G4endl;
}
G4VPhysicalVolume*
G3toG4DetectorConstruction::Construct(){
_lv = G4BuildGeom(_inFile);
//_lv = SimpleConstruct();
if (_lv != 0) {
_pv = new G4PVPlacement(0, G4ThreeVector(), _lv, _lv->GetName(), 0,
false, 0);
G4cout << "Top-level G3toG4 logical volume " << _lv->GetName() << " "
<< *(_lv -> GetVisAttributes()) << G4endl;
} else
G4cerr << "creation of logical mother failed !!!" << G4endl;
return _pv;
}
G4LogicalVolume*
G3toG4DetectorConstruction::SimpleConstruct(){
G4String name, symbol; //a=mass of a mole;
G4double a, z, density, fractionmass; //z=mean number of protons;
G4int ncomponents; //iz=number of protons in an isotope;
// n=number of nucleons in an isotope;
a = 14.01*g/mole;
G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a);
a = 16.00*g/mole;
G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a);
//
// define a material from elements. case 2: mixture by fractional mass
//
density = 1.290*mg/cm3;
G4Material* Air = new G4Material(name="Air" , density, ncomponents=2);
Air->AddElement(N, fractionmass=0.7);
Air->AddElement(O, fractionmass=0.3);
G4VSolid* Mother = new G4Box("TestMother", //its name
100*cm, 100*cm, 100*cm); //its size
G4VSolid* Daughter = new G4Box("TestDaughter", 50*cm, 20*cm, 10*cm);
G4LogicalVolume* logicMother = new G4LogicalVolume(Mother, //its solid
Air, //its material
"LTestMother");//its name
G4LogicalVolume* logicDaughter = new G4LogicalVolume(Daughter, //its solid
Air, //its material
"LTestDaughter");
// G4VPhysicalVolume* physiDaughter =
new G4PVPlacement(0,
G4ThreeVector(),
logicDaughter,
"PTestDaughter",
logicMother,
false,0);
//
// Visualization attributes
//
logicMother->SetVisAttributes (G4VisAttributes::Invisible);
G4VisAttributes* DaughterVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0));
DaughterVisAtt->SetVisibility(true);
logicDaughter->SetVisAttributes(DaughterVisAtt);
return logicMother;
}