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geant4/source/geometry/solids/specific/include/G4Voxelizer.icc
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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 *
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// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
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// * 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. *
// ********************************************************************
//
// $Id:$
// GEANT4 tag $Name: not supported by cvs2svn $
//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
// G4Voxelizer inline methods
//
// History:
// 19.10.12 Marek Gayer, created
// --------------------------------------------------------------------
template <typename T> inline
G4int G4Voxelizer::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> &G4Voxelizer::GetBoxes() const
{
return fBoxes;
}
inline
const std::vector<G4double> &G4Voxelizer::GetBoundary(G4int index) const
{
return fBoundaries[index];
}
inline
void G4Voxelizer::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 G4Voxelizer::GetBitsPerSlice () const
{
return fNPerSlice*8*sizeof(unsigned int);
}
inline
G4int G4Voxelizer::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 G4Voxelizer::GetVoxelsIndex(const std::vector<G4int> &voxels) const
{
return GetVoxelsIndex(voxels[0], voxels[1], voxels[2]);
}
inline
G4bool G4Voxelizer::GetPointVoxel(const G4ThreeVector& p,
std::vector<G4int>& voxels) const
{
for (G4int i = 0; i <= 2; ++i)
{
if (p[i] < *fBoundaries[i].begin() || p[i] > *fBoundaries[i].end())
{
return false;
}
}
for (G4int i = 0; i <= 2; ++i)
{
voxels[i] = BinarySearch(fBoundaries[i], p[i]);
}
return true;
}
inline
G4int G4Voxelizer::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 &G4Voxelizer::Empty() const
{
return fEmpty;
}
inline
G4bool G4Voxelizer::IsEmpty(G4int index) const
{
return fEmpty[index];
}
inline
G4int G4Voxelizer::GetMaxVoxels(G4ThreeVector &ratioOfReduction)
{
ratioOfReduction = fReductionRatio;
return fMaxVoxels;
}
inline
long long G4Voxelizer::GetCountOfVoxels() const
{
return fCountOfVoxels;
}
inline
long long G4Voxelizer::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>&
G4Voxelizer::GetCandidates(std::vector<G4int> &curVoxel) const
{
G4int voxelsIndex = GetVoxelsIndex(curVoxel);
if (voxelsIndex >= 0 && !fEmpty[voxelsIndex])
{
return fCandidates[voxelsIndex];
}
return fNoCandidates;
}
inline
G4int G4Voxelizer::GetTotalCandidates() const
{
return fTotalCandidates;
}
inline
G4int G4Voxelizer::GetVoxelBoxesSize() const
{
return fVoxelBoxes.size();
}
inline
const G4VoxelBox &G4Voxelizer::GetVoxelBox(G4int i) const
{
return fVoxelBoxes[i];
}
inline
const std::vector<G4int>&
G4Voxelizer::GetVoxelBoxCandidates(G4int i) const
{
return fVoxelBoxesCandidates[i];
}
inline
G4ThreeVector
G4Voxelizer::GetGlobalPoint(const G4Transform3D& trans,
const G4ThreeVector& local) const
{
// Returns global point coordinates converted from the local frame defined
// by the transformation. This is defined by multiplying this transformation
// with the local vector.
return trans*G4Point3D(local);
}