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TGeoPgon.h
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1// @(#)root/geom:$Id$
2// Author: Andrei Gheata 31/01/02
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#ifndef ROOT_TGeoPgon
13#define ROOT_TGeoPgon
14
15#include "TGeoPcon.h"
16
17#include <mutex>
18#include <vector>
19
20class TGeoPgon : public TGeoPcon
21{
22public:
24 {
25 Int_t *fIntBuffer; //![fNedges+4] temporary int buffer array
26 Double_t *fDblBuffer; //![fNedges+4] temporary double buffer array
27
30 };
32 void ClearThreadData() const;
33 void CreateThreadData(Int_t nthreads);
34
35protected:
36 // data members
37 Int_t fNedges; // number of edges (at least one)
38 mutable std::vector<ThreadData_t*> fThreadData; //! Navigation data per thread
39 mutable Int_t fThreadSize; //! Size for the navigation data array
40 mutable std::mutex fMutex; //! Mutex for thread data
41
42 // internal utility methods
43 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;
44 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;
45 void LocatePhi(const Double_t *point, Int_t &ipsec) const;
46 Double_t Rpg(Double_t z, Int_t ipl, Bool_t inner, Double_t &a, Double_t &b) const;
47 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;
48 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;
49 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;
50 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;
51 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;
52 void SetSegsAndPolsNoInside(TBuffer3D &buff) const;
53
54 TGeoPgon(const TGeoPgon&) = delete;
55 TGeoPgon& operator=(const TGeoPgon&) = delete;
56
57public:
58 // constructors
59 TGeoPgon();
60 TGeoPgon(Double_t phi, Double_t dphi, Int_t nedges, Int_t nz);
61 TGeoPgon(const char *name, Double_t phi, Double_t dphi, Int_t nedges, Int_t nz);
62 TGeoPgon(Double_t *params);
63 // destructor
64 virtual ~TGeoPgon();
65 // methods
66 virtual Double_t Capacity() const;
67 virtual void ComputeBBox();
68 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
69 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
70 virtual Bool_t Contains(const Double_t *point) const;
71 virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
72 virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
73 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
74 virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
75 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
76 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
77 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
78 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
79 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
80 Double_t start, Double_t step);
81 virtual void GetBoundingCylinder(Double_t *param) const;
82 virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
83 virtual Int_t GetByteCount() const {return 64+12*fNz;}
84 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
85 virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
86 Int_t GetNedges() const {return fNedges;}
87 virtual Int_t GetNmeshVertices() const;
88 virtual Int_t GetNsegments() const {return fNedges;}
89 virtual Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const {return TGeoBBox::GetPointsOnSegments(npoints,array);}
90 virtual void InspectShape() const;
91 virtual TBuffer3D *MakeBuffer3D() const;
92 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
93 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
94 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;
95 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
96 virtual void SetDimensions(Double_t *param);
97 void SetNedges(Int_t ne) {if (ne>2) fNedges=ne;}
98 virtual void SetPoints(Double_t *points) const;
99 virtual void SetPoints(Float_t *points) const;
100 virtual void SetSegsAndPols(TBuffer3D &buff) const;
101 virtual void Sizeof3D() const;
102
103 ClassDef(TGeoPgon, 1) // polygone class
104};
105
106#endif
#define b(i)
Definition: RSha256.hxx:100
int Int_t
Definition: RtypesCore.h:45
bool Bool_t
Definition: RtypesCore.h:63
double Double_t
Definition: RtypesCore.h:59
float Float_t
Definition: RtypesCore.h:57
const Bool_t kTRUE
Definition: RtypesCore.h:100
const char Option_t
Definition: RtypesCore.h:66
#define ClassDef(name, id)
Definition: Rtypes.h:325
char name[80]
Definition: TGX11.cxx:110
point * points
Definition: X3DBuffer.c:22
Generic 3D primitive description class.
Definition: TBuffer3D.h:18
virtual Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const
Fills array with n random points located on the line segments of the shape mesh.
Definition: TGeoBBox.cxx:717
Geometrical transformation package.
Definition: TGeoMatrix.h:41
A polycone is represented by a sequence of tubes/cones, glued together at defined Z planes.
Definition: TGeoPcon.h:18
Int_t fNz
Definition: TGeoPcon.h:21
Polygons are defined in the same way as polycones, the difference being just that the segments betwee...
Definition: TGeoPgon.h:21
virtual Bool_t Contains(const Double_t *point) const
test if point is inside this shape check total z range
Definition: TGeoPgon.cxx:379
virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const
Compute distance from array of input points having directions specified by dirs. Store output in dist...
Definition: TGeoPgon.cxx:2159
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
Performs ray propagation between Z segments.
Definition: TGeoPgon.cxx:617
void CreateThreadData(Int_t nthreads)
Create thread data for n threads max.
Definition: TGeoPgon.cxx:114
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
Check boundary crossing inside phi slices.
Definition: TGeoPgon.cxx:907
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoPgon.cxx:193
virtual void SetDimensions(Double_t *param)
Set PGON dimensions starting from an array.
Definition: TGeoPgon.cxx:1943
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide this polygone shape belonging to volume "voldiv" into ndiv volumes called divname,...
Definition: TGeoPgon.cxx:1306
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
compute distance from inside point to surface of the polygone first find out in which Z section the p...
Definition: TGeoPgon.cxx:426
virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize)
Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coor...
Definition: TGeoPgon.cxx:2142
virtual void ComputeBBox()
compute bounding box for a polygone Check if the sections are in increasing Z order
Definition: TGeoPgon.cxx:217
TGeoPgon & operator=(const TGeoPgon &)=delete
virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const
Compute distance from array of input points having directions specified by dirs. Store output in dist...
Definition: TGeoPgon.cxx:2150
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const
computes the closest distance from given point to this shape, according to option.
Definition: TGeoPgon.cxx:1845
virtual Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const
Fills array with n random points located on the line segments of the shape mesh.
Definition: TGeoPgon.h:89
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoPgon.cxx:1426
Int_t fNedges
Definition: TGeoPgon.h:37
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
Performs ray propagation between Z segments.
Definition: TGeoPgon.cxx:690
void LocatePhi(const Double_t *point, Int_t &ipsec) const
Locates index IPSEC of the phi sector containing POINT.
Definition: TGeoPgon.cxx:526
std::mutex fMutex
Size for the navigation data array.
Definition: TGeoPgon.h:40
TGeoPgon()
dummy ctor
Definition: TGeoPgon.cxx:132
Int_t GetNedges() const
Definition: TGeoPgon.h:86
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoPgon.cxx:2090
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoPgon.cxx:1391
virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const
Returns numbers of vertices, segments and polygons composing the shape mesh.
Definition: TGeoPgon.cxx:2054
ThreadData_t & GetThreadData() const
Definition: TGeoPgon.cxx:91
virtual Int_t GetNsegments() const
Returns number of segments on each mesh circle segment.
Definition: TGeoPgon.h:88
void SetNedges(Int_t ne)
Definition: TGeoPgon.h:97
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *, TGeoMatrix *) const
In case shape has some negative parameters, these has to be computed in order to fit the mother.
Definition: TGeoPgon.h:84
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoPgon.cxx:1921
TGeoPgon(const TGeoPgon &)=delete
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoPgon.cxx:1447
virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const
Check the inside status for each of the points in the array.
Definition: TGeoPgon.cxx:2132
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
Compute safety from POINT to segment between planes ipl, ipl+1 within safmin.
Definition: TGeoPgon.cxx:1775
virtual void SetPoints(Double_t *points) const
create polygone mesh points
Definition: TGeoPgon.cxx:1968
Double_t Rpg(Double_t z, Int_t ipl, Bool_t inner, Double_t &a, Double_t &b) const
Computes projected pgon radius (inner or outer) corresponding to a given Z value.
Definition: TGeoPgon.cxx:1725
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
Compute distance from outside point to surface of the polygone.
Definition: TGeoPgon.cxx:1101
void SetSegsAndPolsNoInside(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons, when no inner surface exists.
Definition: TGeoPgon.cxx:1629
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
Check boundary crossing inside phi slices.
Definition: TGeoPgon.cxx:771
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoPgon.cxx:284
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoPgon.cxx:2078
std::vector< ThreadData_t * > fThreadData
Definition: TGeoPgon.h:38
virtual Int_t GetByteCount() const
Definition: TGeoPgon.h:83
Int_t fThreadSize
Navigation data per thread.
Definition: TGeoPgon.h:39
void ClearThreadData() const
Definition: TGeoPgon.cxx:99
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
Computes projected distance at a given Z for a given ray inside a given sector and fills coefficients...
Definition: TGeoPgon.cxx:1759
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
Check crossing of a given pgon slice, from a starting point inside the slice.
Definition: TGeoPgon.cxx:996
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
Mutex for thread data.
Definition: TGeoPgon.cxx:537
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoPgon.cxx:2097
virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const
Compute safe distance from each of the points in the input array.
Definition: TGeoPgon.cxx:2170
virtual ~TGeoPgon()
destructor
Definition: TGeoPgon.cxx:185
virtual void InspectShape() const
Inspect the PGON parameters.
Definition: TGeoPgon.cxx:1415
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each corner
Definition: TGeoPgon.cxx:1291
Base abstract class for all shapes.
Definition: TGeoShape.h:26
static Double_t Big()
Definition: TGeoShape.h:88
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49
Double_t * fDblBuffer
[fNedges+4] temporary int buffer array
Definition: TGeoPgon.h:26
ThreadData_t()
[fNedges+4] temporary double buffer array
Definition: TGeoPgon.cxx:75
~ThreadData_t()
Destructor.
Definition: TGeoPgon.cxx:83
auto * a
Definition: textangle.C:12
#define snext(osub1, osub2)
Definition: triangle.c:1168