/usr/include/root/TGeoVoxelFinder.h is in libroot-geom-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Andrei Gheata 04/02/02
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TGeoVoxelFinder
#define ROOT_TGeoVoxelFinder
#ifndef ROOT_TObject
#include "TObject.h"
#endif
class TGeoVolume;
struct TGeoStateInfo;
/*************************************************************************
* TGeoVoxelFinder - finder class handling voxels
*
*************************************************************************/
class TGeoVoxelFinder : public TObject
{
public:
enum EVoxelsType {
kGeoInvalidVoxels = BIT(15),
kGeoRebuildVoxels = BIT(16)
};
protected:
TGeoVolume *fVolume; // volume to which applies
Int_t fIbx; // number of different boundaries on X axis
Int_t fIby; // number of different boundaries on Y axis
Int_t fIbz; // number of different boundaries on Z axis
Int_t fNboxes; // length of boxes array
Int_t fNox; // length of array of X offsets
Int_t fNoy; // length of array of Y offsets
Int_t fNoz; // length of array of Z offsets
Int_t fNex; // length of array of X extra offsets
Int_t fNey; // length of array of Y extra offsets
Int_t fNez; // length of array of Z extra offsets
Int_t fNx; // length of array of X voxels
Int_t fNy; // length of array of Y voxels
Int_t fNz; // length of array of Z voxels
Int_t fPriority[3]; // priority for each axis
Double_t *fBoxes; //[fNboxes] list of bounding boxes
Double_t *fXb; //[fIbx] ordered array of X box boundaries
Double_t *fYb; //[fIby] ordered array of Y box boundaries
Double_t *fZb; //[fIbz] ordered array of Z box boundaries
Int_t *fOBx; //[fNox] offsets of daughter indices for slices X
Int_t *fOBy; //[fNoy] offsets of daughter indices for slices Y
Int_t *fOBz; //[fNoz] offsets of daughter indices for slices Z
Int_t *fOEx; //[fNox] offsets of extra indices for slices X
Int_t *fOEy; //[fNoy] offsets of extra indices for slices Y
Int_t *fOEz; //[fNoz] offsets of extra indices for slices Z
Int_t *fExtraX; //[fNex] indices of extra daughters in X slices
Int_t *fExtraY; //[fNey] indices of extra daughters in Y slices
Int_t *fExtraZ; //[fNez] indices of extra daughters in Z slices
Int_t *fNsliceX; //[fNox] number of candidates in X slice
Int_t *fNsliceY; //[fNoy] number of candidates in Y slice
Int_t *fNsliceZ; //[fNoz] number of candidates in Z slice
UChar_t *fIndcX; //[fNx] array of slices bits on X
UChar_t *fIndcY; //[fNy] array of slices bits on Y
UChar_t *fIndcZ; //[fNz] array of slices bits on Z
TGeoVoxelFinder(const TGeoVoxelFinder&);
TGeoVoxelFinder& operator=(const TGeoVoxelFinder&);
void BuildVoxelLimits();
Int_t *GetExtraX(Int_t islice, Bool_t left, Int_t &nextra) const;
Int_t *GetExtraY(Int_t islice, Bool_t left, Int_t &nextra) const;
Int_t *GetExtraZ(Int_t islice, Bool_t left, Int_t &nextra) const;
Bool_t GetIndices(const Double_t *point, TGeoStateInfo &td);
Int_t GetPriority(Int_t iaxis) const {return fPriority[iaxis];}
Int_t GetNcandidates( TGeoStateInfo &td) const;
Int_t *GetValidExtra(Int_t *list, Int_t &ncheck, TGeoStateInfo &td);
Int_t *GetValidExtra(Int_t n1, UChar_t *array1, Int_t *list, Int_t &ncheck, TGeoStateInfo &td);
Int_t *GetValidExtra(Int_t n1, UChar_t *array1, Int_t n2, UChar_t *array2, Int_t *list, Int_t &ncheck, TGeoStateInfo &td);
Int_t *GetVoxelCandidates(Int_t i, Int_t j, Int_t k, Int_t &ncheck, TGeoStateInfo &td);
Bool_t Intersect(Int_t n1, UChar_t *array1, Int_t &nf, Int_t *result);
Bool_t Intersect(Int_t n1, UChar_t *array1, Int_t n2, UChar_t *array2,
Int_t &nf, Int_t *result);
Bool_t Intersect(Int_t n1, UChar_t *array1, Int_t n2, UChar_t *array2,
Int_t n3, UChar_t *array3, Int_t &nf, Int_t *result);
Bool_t IntersectAndStore(Int_t n1, UChar_t *array1, TGeoStateInfo &td);
Bool_t IntersectAndStore(Int_t n1, UChar_t *array1, Int_t n2, UChar_t *array2, TGeoStateInfo &td);
Bool_t IntersectAndStore(Int_t n1, UChar_t *array1, Int_t n2, UChar_t *array2,
Int_t n3, UChar_t *array3, TGeoStateInfo &td);
void SortAll(Option_t *option="");
Bool_t Union(Int_t n1, UChar_t *array1, TGeoStateInfo &td);
Bool_t Union(Int_t n1, UChar_t *array1, Int_t n2, UChar_t *array2, TGeoStateInfo &td);
Bool_t Union(Int_t n1, UChar_t *array1, Int_t n2, UChar_t *array2,
Int_t n3, UChar_t *array3, TGeoStateInfo &td);
public :
TGeoVoxelFinder();
TGeoVoxelFinder(TGeoVolume *vol);
virtual ~TGeoVoxelFinder();
void DaughterToMother(Int_t id, const Double_t *local, Double_t *master) const;
virtual Double_t Efficiency();
virtual Int_t *GetCheckList(const Double_t *point, Int_t &nelem, TGeoStateInfo &td);
Int_t *GetCheckList(Int_t &nelem, TGeoStateInfo &td) const;
virtual Int_t *GetNextCandidates(const Double_t *point, Int_t &ncheck, TGeoStateInfo &td);
virtual void FindOverlaps(Int_t inode) const;
Bool_t IsInvalid() const {return TObject::TestBit(kGeoInvalidVoxels);}
Bool_t NeedRebuild() const {return TObject::TestBit(kGeoRebuildVoxels);}
Double_t *GetBoxes() const {return fBoxes;}
Bool_t IsSafeVoxel(const Double_t *point, Int_t inode, Double_t minsafe) const;
virtual void Print(Option_t *option="") const;
void PrintVoxelLimits(const Double_t *point) const;
void SetInvalid(Bool_t flag=kTRUE) {TObject::SetBit(kGeoInvalidVoxels, flag);}
void SetNeedRebuild(Bool_t flag=kTRUE) {TObject::SetBit(kGeoRebuildVoxels, flag);}
virtual Int_t *GetNextVoxel(const Double_t *point, const Double_t *dir, Int_t &ncheck, TGeoStateInfo &td);
virtual void SortCrossedVoxels(const Double_t *point, const Double_t *dir, TGeoStateInfo &td);
virtual void Voxelize(Option_t *option="");
ClassDef(TGeoVoxelFinder, 4) // voxel finder class
};
#endif
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