Import Geant4 8.2.0 source tree

2016-06-09 14:55:03 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * 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 *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+///////////////////////////////////////////////////////////////////////////////
+#include "RE02NestedPhantomParameterisation.hh"
+
+#include "G4VPhysicalVolume.hh"
+#include "G4VTouchable.hh"
+#include "G4ThreeVector.hh"
+#include "G4Box.hh"
+#include "G4LogicalVolume.hh"
+#include "G4Material.hh"
+
+//=======================================================================
+// (RE02NestedPhantomParameterisation)
+//
+//  (Description)
+//     Class for nested parameterisation.
+//     This parameterisation handles material and transfomation of voxles.
+//
+//  T.Aso Created. Nov.2007.
+//
+////////////////////////////////////////////////////////////////////
+RE02NestedPhantomParameterisation::RE02NestedPhantomParameterisation(
+						     const G4ThreeVector& voxelSize,
+						     G4int nz,
+						     std::vector<G4Material*>& mat):
+  G4VNestedParameterisation(),fdX(voxelSize.x()),fdY(voxelSize.y()),fdZ(voxelSize.z()),
+  fNz(nz),fmat(mat)
+{
+  // Position of voxels. 
+  // x and y positions are already defined in DetectorConstruction 
+  // by using replicated volume. Here only we need to define is z positions of voxles.
+  fpZ.clear();
+  G4double zp;
+  for ( G4int iz = 0; iz < fNz; iz++){
+    zp = (-fNz+1+2*iz)*fdZ;
+    fpZ.push_back(zp);
+  }
+
+}
+
+RE02NestedPhantomParameterisation::~RE02NestedPhantomParameterisation(){
+  fpZ.clear();
+}
+
+//
+// Material assignment to geometry.
+//
+G4Material* RE02NestedPhantomParameterisation::ComputeMaterial(G4VPhysicalVolume* currentVol,
+							 const G4int copyNo, 
+							 const G4VTouchable* parentTouch)
+{
+  // Copy number of voxels. 
+  // Copy number of X and Y are obtained from replication number.
+  // Copy nymber of Z is the copy number of current voxel.
+  G4int ix = parentTouch->GetReplicaNumber(0);
+  G4int iy = parentTouch->GetReplicaNumber(1);
+  G4int iz = copyNo;
+  // For demonstration purpose,a couple of materials are chosen alternately.
+  G4Material* mat=0;
+  if ( ix < 0 && iy < 0 ) return NULL;
+  if ( ix%2 == 0 && iy%2 == 0 && iz%2 == 0 ) mat = fmat[0];
+  else mat = fmat[1];
+
+  // Set material to the current logical volume.
+  G4LogicalVolume* currentLog = currentVol->GetLogicalVolume();
+  currentLog->SetMaterial(mat);
+
+  return mat;
+}
+
+//
+//  Number of Materials
+//  Material scanner is required for preparing physics tables and so on before 
+//  stating simulation, so that G4 has to know number of materials.
+G4int       RE02NestedPhantomParameterisation::GetNumberOfMaterials() const{
+  return fmat.size();
+}
+
+//
+// GetMaterial
+//  This is needed for material scanner and realizing geometry.
+//
+G4Material* RE02NestedPhantomParameterisation::GetMaterial(G4int i) const{
+  return fmat[i];
+}
+
+//
+// Transformation of voxels.
+//
+void RE02NestedPhantomParameterisation::ComputeTransformation(const G4int copyNo, 
+						  G4VPhysicalVolume* physVol)const{
+  G4ThreeVector position(0.,0.,fpZ[copyNo]);
+  physVol->SetTranslation(position);
+}
+
+//
+// Dimensions are always same in this RE02 example.
+//
+void RE02NestedPhantomParameterisation::ComputeDimensions(G4Box& box, 
+					       const G4int ,
+					       const G4VPhysicalVolume* ) const{
+  box.SetXHalfLength(fdX);
+  box.SetYHalfLength(fdY);
+  box.SetZHalfLength(fdZ);
+}