G4SurfaceVoxelizer.icc

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// $Id: G4SurfaceVoxelizer.icc 72335 2013-07-16 09:01:49Z gcosmo $
// GEANT4 tag $Name: not supported by cvs2svn $
//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
// G4SurfaceVoxelizer inline methods
//
// History:
// 19.10.12 Marek Gayer, created
// --------------------------------------------------------------------


template <typename T> inline
G4int G4SurfaceVoxelizer::BinarySearch(const std::vector<T> &vec, T value)
{
  typename std::vector<T>::const_iterator begin=vec.begin(), end=vec.end();
  G4int res = std::upper_bound(begin, end, value) - begin - 1;
  return res;
}

inline
const std::vector<G4VoxelBox> &G4SurfaceVoxelizer::GetBoxes() const
{
  return fBoxes;
}
  
inline
const std::vector<G4double> &G4SurfaceVoxelizer::GetBoundary(G4int index) const
{
  return fBoundaries[index];
}

inline
void G4SurfaceVoxelizer::GetVoxel(std::vector<G4int> &curVoxel,
                                  const G4ThreeVector &point) const
{
  for (G4int i=0; i<=2; ++i)
  {
    const std::vector<double> &boundary = GetBoundary(i);
    G4int n = BinarySearch(boundary, point[i]);
    if (n == -1)
      { n = 0; }
    else if (n == G4int(boundary.size()) - 1)
      { n--; }
    curVoxel[i] = n;
  }
}

inline
G4int G4SurfaceVoxelizer::GetBitsPerSlice () const
{
  return fNPerSlice*8*sizeof(unsigned int);
}

inline
G4int G4SurfaceVoxelizer::GetVoxelsIndex(G4int x, G4int y, G4int z) const
{
  if (x < 0 || y < 0 || z < 0) { return -1; }
  G4int maxX = fBoundaries[0].size();
  G4int maxY = fBoundaries[1].size();
  G4int index = x + y*maxX + z*maxX*maxY;

  return index;
}

inline
G4int G4SurfaceVoxelizer::GetVoxelsIndex(const std::vector<G4int> &voxels) const
{
  return GetVoxelsIndex(voxels[0], voxels[1], voxels[2]);
}

inline
G4int G4SurfaceVoxelizer::GetPointIndex(const G4ThreeVector &p) const
{
  G4int maxX = fBoundaries[0].size();
  G4int maxY = fBoundaries[1].size();
  G4int x = BinarySearch(fBoundaries[0], p[0]);
  G4int y = BinarySearch(fBoundaries[1], p[1]);
  G4int z = BinarySearch(fBoundaries[2], p[2]);
  G4int index = x + y*maxX + z*maxX*maxY;

  return index;
}

inline
const G4SurfBits &G4SurfaceVoxelizer::Empty() const
{
  return fEmpty;
}

inline
G4bool G4SurfaceVoxelizer::IsEmpty(G4int index) const
{
  return fEmpty[index];
}

inline
G4int G4SurfaceVoxelizer::GetMaxVoxels(G4ThreeVector &ratioOfReduction)
{
  ratioOfReduction = fReductionRatio;
  return fMaxVoxels;
}

inline
long long G4SurfaceVoxelizer::GetCountOfVoxels() const
{
  return fCountOfVoxels;
}

inline
long long G4SurfaceVoxelizer::CountVoxels(std::vector<G4double> boundaries[]) const
{
  long long sx = boundaries[0].size() - 1;
  long long sy = boundaries[1].size() - 1;
  long long sz = boundaries[2].size() - 1;

  return  sx * sy *sz;
}

inline
const std::vector<G4int>&
G4SurfaceVoxelizer::GetCandidates(std::vector<G4int> &curVoxel) const
{
  G4int voxelsIndex = GetVoxelsIndex(curVoxel);

  if (voxelsIndex >= 0 && !fEmpty[voxelsIndex])
  {      
    return fCandidates[voxelsIndex];
  }
  return fNoCandidates;
}

inline
G4int G4SurfaceVoxelizer::GetVoxelBoxesSize() const
{
  return fVoxelBoxes.size();
}

inline
const G4VoxelBox &G4SurfaceVoxelizer::GetVoxelBox(G4int i) const
{
  return fVoxelBoxes[i];
}

inline
const std::vector<G4int>&
G4SurfaceVoxelizer::GetVoxelBoxCandidates(G4int i) const
{
  return fVoxelBoxesCandidates[i];
}