G4EzVoxelParameterization.cc

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// ====================================================================
//   G4EzVoxelParameterization.cc
//
//                                         2005 Q
// ====================================================================
#include "G4EzVoxelParameterization.hh"
#include "G4Box.hh"
#include "G4VPhysicalVolume.hh"

// ====================================================================
//
// class description
//
// ====================================================================

G4EzVoxelParameterization::G4EzVoxelParameterization
  (G4double ddx, G4double ddy, G4double ddz, G4int nx, G4int ny, G4int nz)
    : voxelSize(ddx, ddy, ddz), motherSize(ddx*nx, ddy*ny, ddz*nz)
{
  nvoxels[0]= nx;
  nvoxels[1]= ny;
  nvoxels[2]= nz;
}


G4EzVoxelParameterization::~G4EzVoxelParameterization()
{
}


void G4EzVoxelParameterization::ComputeTransformation
     (const G4int copyNo, G4VPhysicalVolume* physVol) const
{
  // copyNo-> index
  G4int nxy= nvoxels[0]*nvoxels[1];
  G4int iz= copyNo/nxy;
  G4int ixy= copyNo - iz*nxy;
  G4int iy= ixy/nvoxels[0];
  G4int ix= ixy-iy*nvoxels[0];

  // voxel position
  G4double px= voxelSize[0]*(ix+0.5) - motherSize[0]/2.;
  G4double py= voxelSize[1]*(iy+0.5) - motherSize[1]/2.;
  G4double pz= voxelSize[2]*(iz+0.5) - motherSize[2]/2.;

  physVol-> SetTranslation(G4ThreeVector(px, py, pz));

}


void G4EzVoxelParameterization::ComputeDimensions
     (G4Box& /*aBox*/, const G4int /*copyNo*/, const G4VPhysicalVolume* /*physVol*/) const
{
  return;
}