/usr/include/root/TGeoPgon.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 31/01/02
/*************************************************************************
* 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_TGeoPgon
#define ROOT_TGeoPgon
#ifndef ROOT_TGeoPcon
#include "TGeoPcon.h"
#endif
////////////////////////////////////////////////////////////////////////////
// //
// TGeoPgon - a polygone. It has at least 10 parameters : //
// - the lower phi limit; //
// - the range in phi; //
// - the number of edges on each z plane; //
// - the number of z planes (at least two) where the inner/outer //
// radii are changing; //
// - z coordinate, inner and outer radius for each z plane //
// //
////////////////////////////////////////////////////////////////////////////
class TGeoPgon : public TGeoPcon
{
public:
struct ThreadData_t
{
Int_t *fIntBuffer; //![fNedges+4] temporary int buffer array
Double_t *fDblBuffer; //![fNedges+4] temporary double buffer array
ThreadData_t();
~ThreadData_t();
};
ThreadData_t& GetThreadData() const;
void ClearThreadData() const;
void CreateThreadData(Int_t nthreads);
protected:
// data members
Int_t fNedges; // number of edges (at least one)
mutable std::vector<ThreadData_t*> fThreadData; //! Navigation data per thread
mutable Int_t fThreadSize; //! Size for the navigation data array
// internal utility methods
Int_t GetPhiCrossList(const Double_t *point, const Double_t *dir, Int_t istart, Double_t *sphi, Int_t *iphi, Double_t stepmax=TGeoShape::Big()) const;
Bool_t IsCrossingSlice(const Double_t *point, const Double_t *dir, Int_t iphi, Double_t sstart, Int_t &ipl, Double_t &snext, Double_t stepmax) const;
void LocatePhi(const Double_t *point, Int_t &ipsec) const;
Double_t Rpg(Double_t z, Int_t ipl, Bool_t inner, Double_t &a, Double_t &b) const;
Double_t Rproj(Double_t z,const Double_t *point, const Double_t *dir, Double_t cphi, Double_t sphi, Double_t &a, Double_t &b) const;
Bool_t SliceCrossing(const Double_t *point, const Double_t *dir, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const;
Bool_t SliceCrossingIn(const Double_t *point, const Double_t *dir, Int_t ipl, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const;
Bool_t SliceCrossingZ(const Double_t *point, const Double_t *dir, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const;
Bool_t SliceCrossingInZ(const Double_t *point, const Double_t *dir, Int_t nphi, Int_t *iphi, Double_t *sphi, Double_t &snext, Double_t stepmax) const;
public:
// constructors
TGeoPgon();
TGeoPgon(Double_t phi, Double_t dphi, Int_t nedges, Int_t nz);
TGeoPgon(const char *name, Double_t phi, Double_t dphi, Int_t nedges, Int_t nz);
TGeoPgon(Double_t *params);
// destructor
virtual ~TGeoPgon();
// methods
virtual Double_t Capacity() const;
virtual void ComputeBBox();
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
virtual Bool_t Contains(const Double_t *point) const;
virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
Double_t start, Double_t step);
virtual void GetBoundingCylinder(Double_t *param) const;
virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
virtual Int_t GetByteCount() const {return 64+12*fNz;}
virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
Int_t GetNedges() const {return fNedges;}
virtual Int_t GetNmeshVertices() const;
virtual Int_t GetNsegments() const {return fNedges;}
virtual Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const {return TGeoBBox::GetPointsOnSegments(npoints,array);}
virtual void InspectShape() const;
virtual TBuffer3D *MakeBuffer3D() const;
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
Double_t SafetyToSegment(const Double_t *point, Int_t ipl, Int_t iphi, Bool_t in, Double_t safphi, Double_t safmin=TGeoShape::Big()) const;
virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
virtual void SetDimensions(Double_t *param);
void SetNedges(Int_t ne) {if (ne>2) fNedges=ne;}
virtual void SetPoints(Double_t *points) const;
virtual void SetPoints(Float_t *points) const;
virtual void SetSegsAndPols(TBuffer3D &buff) const;
virtual void Sizeof3D() const;
ClassDef(TGeoPgon, 1) // polygone class
};
#endif
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