Logo ROOT  
Reference Guide
TGeoPgon.h
Go to the documentation of this file.
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 
20 class TGeoPgon : public TGeoPcon
21 {
22 public:
23  struct ThreadData_t
24  {
25  Int_t *fIntBuffer; //![fNedges+4] temporary int buffer array
26  Double_t *fDblBuffer; //![fNedges+4] temporary double buffer array
27 
28  ThreadData_t();
29  ~ThreadData_t();
30  };
31  ThreadData_t& GetThreadData() const;
32  void ClearThreadData() const;
33  void CreateThreadData(Int_t nthreads);
34 
35 protected:
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 public:
55  // constructors
56  TGeoPgon();
57  TGeoPgon(Double_t phi, Double_t dphi, Int_t nedges, Int_t nz);
58  TGeoPgon(const char *name, Double_t phi, Double_t dphi, Int_t nedges, Int_t nz);
59  TGeoPgon(Double_t *params);
60  // destructor
61  virtual ~TGeoPgon();
62  // methods
63  virtual Double_t Capacity() const;
64  virtual void ComputeBBox();
65  virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
66  virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
67  virtual Bool_t Contains(const Double_t *point) const;
68  virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
69  virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
70  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
71  virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
72  virtual Double_t DistFromOutside(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 DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
75  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
76  virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
77  Double_t start, Double_t step);
78  virtual void GetBoundingCylinder(Double_t *param) const;
79  virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
80  virtual Int_t GetByteCount() const {return 64+12*fNz;}
81  virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
82  virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
83  Int_t GetNedges() const {return fNedges;}
84  virtual Int_t GetNmeshVertices() const;
85  virtual Int_t GetNsegments() const {return fNedges;}
86  virtual Bool_t GetPointsOnSegments(Int_t npoints, Double_t *array) const {return TGeoBBox::GetPointsOnSegments(npoints,array);}
87  virtual void InspectShape() const;
88  virtual TBuffer3D *MakeBuffer3D() const;
89  virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
90  virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
91  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;
92  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
93  virtual void SetDimensions(Double_t *param);
94  void SetNedges(Int_t ne) {if (ne>2) fNedges=ne;}
95  virtual void SetPoints(Double_t *points) const;
96  virtual void SetPoints(Float_t *points) const;
97  virtual void SetSegsAndPols(TBuffer3D &buff) const;
98  virtual void Sizeof3D() const;
99 
100  ClassDef(TGeoPgon, 1) // polygone class
101 };
102 
103 #endif
TGeoPcon.h
TGeoPgon::Safety
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:1839
TGeoPgon::SliceCrossingInZ
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:610
TGeoPgon::GetNmeshVertices
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoPgon.cxx:2073
TGeoPgon::TGeoPgon
TGeoPgon()
dummy ctor
Definition: TGeoPgon.cxx:125
kTRUE
const Bool_t kTRUE
Definition: RtypesCore.h:91
TGeoPgon::Contains
virtual Bool_t Contains(const Double_t *point) const
test if point is inside this shape check total z range
Definition: TGeoPgon.cxx:372
TGeoPgon::SliceCrossingZ
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:683
Option_t
const char Option_t
Definition: RtypesCore.h:66
TGeoPgon::ThreadData_t::fDblBuffer
Double_t * fDblBuffer
[fNedges+4] temporary int buffer array
Definition: TGeoPgon.h:26
TGeoPgon::Rpg
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:1719
TGeoPgon::fMutex
std::mutex fMutex
Size for the navigation data array.
Definition: TGeoPgon.h:40
TGeoPgon::DistancetoPrimitive
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each corner
Definition: TGeoPgon.cxx:1284
TGeoPgon::SetSegsAndPolsNoInside
void SetSegsAndPolsNoInside(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons, when no inner surface exists.
Definition: TGeoPgon.cxx:1623
TGeoPgon::ThreadData_t::ThreadData_t
ThreadData_t()
[fNedges+4] temporary double buffer array
Definition: TGeoPgon.cxx:68
TGeoPgon::Divide
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:1299
TGeoPgon::SetNedges
void SetNedges(Int_t ne)
Definition: TGeoPgon.h:94
Float_t
float Float_t
Definition: RtypesCore.h:57
TGeoPgon::fThreadSize
Int_t fThreadSize
Navigation data per thread.
Definition: TGeoPgon.h:39
Int_t
int Int_t
Definition: RtypesCore.h:45
TGeoPgon::GetNsegments
virtual Int_t GetNsegments() const
Returns number of segments on each mesh circle segment.
Definition: TGeoPgon.h:85
TGeoPgon::DistFromOutside
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:1094
TGeoPgon::ComputeBBox
virtual void ComputeBBox()
compute bounding box for a polygone Check if the sections are in increasing Z order
Definition: TGeoPgon.cxx:210
TGeoPgon::Safety_v
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:2165
TGeoPgon::SafetyToSegment
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:1769
Bool_t
bool Bool_t
Definition: RtypesCore.h:63
TGeoPgon::SetSegsAndPols
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoPgon.cxx:1440
b
#define b(i)
Definition: RSha256.hxx:100
bool
TGeoPgon::DistFromInside
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:419
TGeoPgon::Sizeof3D
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoPgon.cxx:2085
TGeoPgon::ComputeNormal_v
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:2137
TGeoPgon::GetThreadData
ThreadData_t & GetThreadData() const
Definition: TGeoPgon.cxx:84
TGeoPgon::GetPointsOnSegments
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:86
TGeoPgon::GetBoundingCylinder
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoPgon.cxx:1384
TGeoPgon::DistFromInside_v
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:2145
TBuffer3D
Generic 3D primitive description class.
Definition: TBuffer3D.h:18
TGeoPgon::SliceCrossingIn
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:764
TGeoPgon::SetPoints
virtual void SetPoints(Double_t *points) const
create polygone mesh points
Definition: TGeoPgon.cxx:1963
TGeoShape
Base abstract class for all shapes.
Definition: TGeoShape.h:26
TGeoPgon::GetByteCount
virtual Int_t GetByteCount() const
Definition: TGeoPgon.h:80
TGeoPgon::ComputeNormal
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoPgon.cxx:277
TGeoPgon::ThreadData_t
Definition: TGeoPgon.h:24
TGeoPgon::Rproj
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:1753
a
auto * a
Definition: textangle.C:12
TGeoPgon::SavePrimitive
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoPgon.cxx:1916
TGeoPgon::GetMakeRuntimeShape
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:81
TGeoPgon::ThreadData_t::fIntBuffer
Int_t * fIntBuffer
Definition: TGeoPgon.h:25
TGeoPgon::CreateThreadData
void CreateThreadData(Int_t nthreads)
Create thread data for n threads max.
Definition: TGeoPgon.cxx:107
TGeoPgon
A polygone.
Definition: TGeoPgon.h:21
TGeoPcon
A polycone.
Definition: TGeoPcon.h:18
TGeoPgon::GetMeshNumbers
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:2049
TGeoPgon::ClearThreadData
void ClearThreadData() const
Definition: TGeoPgon.cxx:92
TGeoPgon::GetNedges
Int_t GetNedges() const
Definition: TGeoPgon.h:83
TGeoPgon::GetPhiCrossList
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:530
Double_t
double Double_t
Definition: RtypesCore.h:59
TGeoMatrix
Geometrical transformation package.
Definition: TGeoMatrix.h:41
TGeoPgon::GetBuffer3D
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoPgon.cxx:2092
points
point * points
Definition: X3DBuffer.c:22
ClassDef
#define ClassDef(name, id)
Definition: Rtypes.h:325
TGeoPgon::ThreadData_t::~ThreadData_t
~ThreadData_t()
Destructor.
Definition: TGeoPgon.cxx:76
name
char name[80]
Definition: TGX11.cxx:110
TGeoPcon::fNz
Int_t fNz
Definition: TGeoPcon.h:21
TGeoPgon::IsCrossingSlice
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:989
TGeoPgon::fNedges
Int_t fNedges
Definition: TGeoPgon.h:37
TGeoPgon::SetDimensions
virtual void SetDimensions(Double_t *param)
Set PGON dimensions starting from an array.
Definition: TGeoPgon.cxx:1938
TGeoPgon::LocatePhi
void LocatePhi(const Double_t *point, Int_t &ipsec) const
Locates index IPSEC of the phi sector containing POINT.
Definition: TGeoPgon.cxx:519
TGeoPgon::Contains_v
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:2127
TGeoShape::Big
static Double_t Big()
Definition: TGeoShape.h:88
TGeoPgon::MakeBuffer3D
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoPgon.cxx:1419
TGeoPgon::Capacity
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoPgon.cxx:186
TGeoPgon::~TGeoPgon
virtual ~TGeoPgon()
destructor
Definition: TGeoPgon.cxx:178
TGeoPgon::fThreadData
std::vector< ThreadData_t * > fThreadData
Definition: TGeoPgon.h:38
TGeoBBox::GetPointsOnSegments
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:690
TGeoVolume
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49
TGeoPgon::SliceCrossing
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:900
TGeoPgon::InspectShape
virtual void InspectShape() const
Inspect the PGON parameters.
Definition: TGeoPgon.cxx:1408
snext
#define snext(osub1, osub2)
Definition: triangle.c:1167
int
TGeoPgon::DistFromOutside_v
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:2154