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TGeoXtru.h
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1 // @(#)root/geom:$Id$
2 // Author: Mihaela Gheata 24/01/04
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_TGeoXtru
13 #define ROOT_TGeoXtru
14 
15 #include <mutex>
16 
17 #include "TGeoBBox.h"
18 
19 class TGeoPolygon;
20 
21 class TGeoXtru : public TGeoBBox
22 {
23 public:
24  struct ThreadData_t
25  {
26  Int_t fSeg; // !current segment [0,fNvert-1]
27  Int_t fIz; // !current z plane [0,fNz-1]
28  Double_t *fXc; // ![fNvert] current X positions for polygon vertices
29  Double_t *fYc; // ![fNvert] current Y positions for polygon vertices
30  TGeoPolygon *fPoly; // !polygon defining section shape
31 
32  ThreadData_t();
33  ~ThreadData_t();
34  };
35  ThreadData_t& GetThreadData() const;
36  virtual void ClearThreadData() const;
37  virtual void CreateThreadData(Int_t nthreads);
38 
39 protected:
40  // data members
41  Int_t fNvert; // number of vertices of the 2D polygon (at least 3)
42  Int_t fNz; // number of z planes (at least two)
43  Double_t fZcurrent; // current Z position
44  Double_t *fX; //[fNvert] X positions for polygon vertices
45  Double_t *fY; //[fNvert] Y positions for polygon vertices
46  Double_t *fZ; //[fNz] array of Z planes positions
47  Double_t *fScale; //[fNz] array of scale factors (for each Z)
48  Double_t *fX0; //[fNz] array of X offsets (for each Z)
49  Double_t *fY0; //[fNz] array of Y offsets (for each Z)
50 
51  mutable std::vector<ThreadData_t*> fThreadData; //! Navigation data per thread
52  mutable Int_t fThreadSize; //! size of thread-specific array
53  mutable std::mutex fMutex; //! mutex for thread data
54 
55  TGeoXtru(const TGeoXtru&) = delete;
56  TGeoXtru& operator=(const TGeoXtru&) = delete;
57 
58  // methods
59  Double_t DistToPlane(const Double_t *point, const Double_t *dir, Int_t iz, Int_t ivert, Double_t stepmax, Bool_t in) const;
60  void GetPlaneVertices(Int_t iz, Int_t ivert, Double_t *vert) const;
61  void GetPlaneNormal(const Double_t *vert, Double_t *norm) const;
62  Bool_t IsPointInsidePlane(const Double_t *point, Double_t *vert, Double_t *norm) const;
63  Double_t SafetyToSector(const Double_t *point, Int_t iz, Double_t safmin, Bool_t in);
64  void SetIz(Int_t iz);
65  void SetSeg(Int_t iseg);
66 
67 public:
68  // constructors
69  TGeoXtru();
70  TGeoXtru(Int_t nz);
71  TGeoXtru(Double_t *param);
72  // destructor
73  virtual ~TGeoXtru();
74  // methods
75  virtual Double_t Capacity() const;
76  virtual void ComputeBBox();
77  virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
78  virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
79  virtual Bool_t Contains(const Double_t *point) const;
80  virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
81  Bool_t DefinePolygon(Int_t nvert, const Double_t *xv, const Double_t *yv);
82  virtual void DefineSection(Int_t snum, Double_t z, Double_t x0=0., Double_t y0=0., Double_t scale=1.);
83  virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
84  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
85  virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
86  virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
87  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
88  virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
89  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
90  void DrawPolygon(Option_t *option="");
91  virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
92 // virtual Int_t GetByteCount() const {return 60+12*fNz;}
93  Int_t GetNz() const {return fNz;}
94  Int_t GetNvert() const {return fNvert;}
95  Double_t GetX(Int_t i) const {return (i<fNvert&&i>-1 &&fX!=0) ? fX[i] : -1.0E10;}
96  Double_t GetY(Int_t i) const {return (i<fNvert&&i>-1 &&fY!=0) ? fY[i] : -1.0E10;}
97  Double_t GetXOffset(Int_t i) const {return (i<fNz&&i>-1 && fX0!=0) ? fX0[i] : 0.0;}
98  Double_t GetYOffset(Int_t i) const {return (i<fNz&&i>-1 && fY0!=0) ? fY0[i] : 0.0;}
99  Double_t GetScale(Int_t i) const {return (i<fNz&&i>-1 && fScale!=0) ? fScale[i] : 1.0;}
100  Double_t *GetZ() const {return fZ;}
101  Double_t GetZ(Int_t ipl) const;
102  virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
103  virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
104  virtual Int_t GetNmeshVertices() const;
105  virtual void InspectShape() const;
106  virtual TBuffer3D *MakeBuffer3D() const;
107  Double_t &Z(Int_t ipl) {return fZ[ipl];}
108  virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
109  virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
110  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
111  void SetCurrentZ(Double_t z, Int_t iz);
112  void SetCurrentVertices(Double_t x0, Double_t y0, Double_t scale);
113  virtual void SetDimensions(Double_t *param);
114  virtual void SetPoints(Double_t *points) const;
115  virtual void SetPoints(Float_t *points) const;
116  virtual void SetSegsAndPols(TBuffer3D &buff) const;
117  virtual void Sizeof3D() const;
118 
119  ClassDef(TGeoXtru, 3) // extruded polygon class
120 };
121 
122 #endif
void SetSeg(Int_t iseg)
Set current segment.
Definition: TGeoXtru.cxx:149
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: TGeoXtru.cxx:1284
Bool_t IsPointInsidePlane(const Double_t *point, Double_t *vert, Double_t *norm) const
Check if the quadrilateral defined by VERT contains a coplanar POINT.
Definition: TGeoXtru.cxx:807
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoXtru.cxx:1231
Int_t GetNz() const
Definition: TGeoXtru.h:93
Int_t fNz
Definition: TGeoXtru.h:42
Double_t GetXOffset(Int_t i) const
Definition: TGeoXtru.h:97
Box class.
Definition: TGeoBBox.h:17
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: TGeoXtru.cxx:1276
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 tube Warning("DistFromOutside", "not implemented");
Definition: TGeoXtru.cxx:545
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoXtru.cxx:849
float Float_t
Definition: RtypesCore.h:53
ThreadData_t()
Constructor.
Definition: TGeoXtru.cxx:74
const char Option_t
Definition: RtypesCore.h:62
Geometrical transformation package.
Definition: TGeoMatrix.h:40
TGeoXtru()
dummy ctor
Definition: TGeoXtru.cxx:157
Double_t GetYOffset(Int_t i) const
Definition: TGeoXtru.h:98
virtual void ClearThreadData() const
Definition: TGeoXtru.cxx:100
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: TGeoXtru.cxx:1266
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoXtru.cxx:1224
virtual void DefineSection(Int_t snum, Double_t z, Double_t x0=0., Double_t y0=0., Double_t scale=1.)
defines z position of a section plane, rmin and rmax at this z.
Definition: TGeoXtru.cxx:691
An arbitrary polygon defined by vertices.
Definition: TGeoPolygon.h:19
virtual void SetDimensions(Double_t *param)
Definition: TGeoXtru.cxx:1121
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: TGeoXtru.cxx:1203
void GetPlaneNormal(const Double_t *vert, Double_t *norm) const
Returns normal vector to the planar quadrilateral defined by vector VERT.
Definition: TGeoXtru.cxx:727
Double_t fZcurrent
Definition: TGeoXtru.h:43
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
Int_t fNvert
Definition: TGeoXtru.h:41
virtual void CreateThreadData(Int_t nthreads)
Create thread data for n threads max.
Definition: TGeoXtru.cxx:116
Int_t GetNvert() const
Definition: TGeoXtru.h:94
void GetPlaneVertices(Int_t iz, Int_t ivert, Double_t *vert) const
Returns (x,y,z) of 3 vertices of the surface defined by Z sections (iz, iz+1) and polygon vertices (i...
Definition: TGeoXtru.cxx:752
Double_t * fScale
Definition: TGeoXtru.h:47
virtual void InspectShape() const
Print actual Xtru parameters.
Definition: TGeoXtru.cxx:832
#define ClassDef(name, id)
Definition: Rtypes.h:326
void SetCurrentVertices(Double_t x0, Double_t y0, Double_t scale)
Set current vertex coordinates according X0, Y0 and SCALE.
Definition: TGeoXtru.cxx:1099
Double_t & Z(Int_t ipl)
Definition: TGeoXtru.h:107
Double_t SafetyToSector(const Double_t *point, Int_t iz, Double_t safmin, Bool_t in)
Compute safety to sector iz, returning also the closest segment index.
Definition: TGeoXtru.cxx:937
std::vector< ThreadData_t * > fThreadData
Definition: TGeoXtru.h:51
Double_t DistToPlane(const Double_t *point, const Double_t *dir, Int_t iz, Int_t ivert, Double_t stepmax, Bool_t in) const
Compute distance to a Xtru lateral surface.
Definition: TGeoXtru.cxx:375
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: TGeoXtru.h:102
TGeoPolygon * fPoly
Definition: TGeoXtru.h:30
std::mutex fMutex
size of thread-specific array
Definition: TGeoXtru.h:53
Double_t GetY(Int_t i) const
Definition: TGeoXtru.h:96
Double_t GetX(Int_t i) const
Definition: TGeoXtru.h:95
Double_t * fX
Definition: TGeoXtru.h:44
Double_t * fY
Definition: TGeoXtru.h:45
point * points
Definition: X3DBuffer.c:22
virtual ~TGeoXtru()
destructor
Definition: TGeoXtru.cxx:234
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: TGeoXtru.cxx:1292
Base abstract class for all shapes.
Definition: TGeoShape.h:25
TGeoXtru & operator=(const TGeoXtru &)=delete
virtual Bool_t Contains(const Double_t *point) const
test if point is inside this shape
Definition: TGeoXtru.cxx:326
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoXtru.cxx:1215
Generic 3D primitive description class.
Definition: TBuffer3D.h:17
void SetCurrentZ(Double_t z, Int_t iz)
Recompute current section vertices for a given Z position within range of section iz...
Definition: TGeoXtru.cxx:1077
Double_t GetScale(Int_t i) const
Definition: TGeoXtru.h:99
virtual void ComputeBBox()
compute bounding box of the pcon
Definition: TGeoXtru.cxx:270
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: TGeoXtru.cxx:1005
An extrusion with fixed outline shape in x-y and a sequence of z extents (segments).
Definition: TGeoXtru.h:21
Double_t * fY0
Definition: TGeoXtru.h:49
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: TGeoXtru.cxx:1302
double Double_t
Definition: RtypesCore.h:55
~ThreadData_t()
Destructor.
Definition: TGeoXtru.cxx:82
ThreadData_t & GetThreadData() const
Definition: TGeoXtru.cxx:91
void DrawPolygon(Option_t *option="")
Draw the section polygon.
Definition: TGeoXtru.cxx:366
static Double_t Big()
Definition: TGeoShape.h:88
Double_t * fZ
Definition: TGeoXtru.h:46
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each corner
Definition: TGeoXtru.cxx:357
void SetIz(Int_t iz)
Set current z-plane.
Definition: TGeoXtru.cxx:142
Double_t * GetZ() const
Definition: TGeoXtru.h:100
you should not use this method at all Int_t Int_t z
Definition: TRolke.cxx:630
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 polycone locate Z segment
Definition: TGeoXtru.cxx:431
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoXtru.cxx:871
Double_t * fX0
Definition: TGeoXtru.h:48
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoXtru.cxx:1050
Int_t fThreadSize
Navigation data per thread.
Definition: TGeoXtru.h:52
virtual void SetPoints(Double_t *points) const
create polycone mesh points
Definition: TGeoXtru.cxx:1145
const Bool_t kTRUE
Definition: RtypesCore.h:87
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoXtru.cxx:304
virtual Double_t Capacity() const
Compute capacity [length^3] of this shape.
Definition: TGeoXtru.cxx:248
Bool_t DefinePolygon(Int_t nvert, const Double_t *xv, const Double_t *yv)
Creates the polygon representing the blueprint of any Xtru section.
Definition: TGeoXtru.cxx:658