Logo ROOT  
Reference Guide
TGeoSphere.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_TGeoSphere
13#define ROOT_TGeoSphere
14
15#include "TGeoBBox.h"
16
17class TGeoSphere : public TGeoBBox
18{
19protected :
20 Int_t fNz; // number of z planes for drawing
21 Int_t fNseg; // number of segments for drawing
22 Double_t fRmin; // inner radius
23 Double_t fRmax; // outer radius
24 Double_t fTheta1; // lower theta limit
25 Double_t fTheta2; // higher theta limit
26 Double_t fPhi1; // lower phi limit
27 Double_t fPhi2; // higher phi limit
28
29 TGeoSphere(const TGeoSphere&) = delete;
30 TGeoSphere& operator=(const TGeoSphere&) = delete;
31
32public:
33 // constructors
34 TGeoSphere();
35 TGeoSphere(Double_t rmin, Double_t rmax, Double_t theta1=0, Double_t theta2=180,
36 Double_t phi1=0, Double_t phi2=360);
37 TGeoSphere(const char *name, Double_t rmin, Double_t rmax, Double_t theta1=0, Double_t theta2=180,
38 Double_t phi1=0, Double_t phi2=360);
39 TGeoSphere(Double_t *param, Int_t nparam=6);
40 // destructor
41 virtual ~TGeoSphere();
42 // methods
43 virtual Double_t Capacity() const;
44 virtual void ComputeBBox();
45 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
46 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
47 virtual Bool_t Contains(const Double_t *point) const;
48 virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
49 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
50 virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
51 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
52 virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
53 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
54 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
55 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
56 Double_t DistToSphere(const Double_t *point, const Double_t *dir, Double_t rsph, Bool_t check=kTRUE, Bool_t firstcross=kTRUE) const;
57 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
58 Double_t start, Double_t step);
59 virtual const char *GetAxisName(Int_t iaxis) const;
60 virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const;
61 virtual void GetBoundingCylinder(Double_t *param) const;
62 virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
63 virtual Int_t GetByteCount() const {return 42;}
64 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
65 virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
66 virtual Int_t GetNmeshVertices() const;
68 virtual Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const {return kFALSE;}
69 Int_t GetNz() const {return fNz;}
70 virtual Double_t GetRmin() const {return fRmin;}
71 virtual Double_t GetRmax() const {return fRmax;}
72 Double_t GetTheta1() const {return fTheta1;}
73 Double_t GetTheta2() const {return fTheta2;}
74 Double_t GetPhi1() const {return fPhi1;}
75 Double_t GetPhi2() const {return fPhi2;}
76 virtual void InspectShape() const;
77 virtual Bool_t IsCylType() const {return kFALSE;}
78 Int_t IsOnBoundary(const Double_t *point) const;
79 Bool_t IsPointInside(const Double_t *point, Bool_t checkR=kTRUE, Bool_t checkTh=kTRUE, Bool_t checkPh=kTRUE) const;
80 virtual TBuffer3D *MakeBuffer3D() const;
81 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
82 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
83 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
84 void SetSphDimensions(Double_t rmin, Double_t rmax, Double_t theta1,
85 Double_t theta2, Double_t phi1, Double_t phi2);
86 virtual void SetNumberOfDivisions(Int_t p);
87 virtual void SetDimensions(Double_t *param);
88 void SetDimensions(Double_t *param, Int_t nparam);
89 virtual void SetPoints(Double_t *points) const;
90 virtual void SetPoints(Float_t *points) const;
91 virtual void SetSegsAndPols(TBuffer3D &buff) const;
92 virtual void Sizeof3D() const;
93
94 ClassDef(TGeoSphere, 1) // sphere class
95};
96
97#endif
int Int_t
Definition: RtypesCore.h:45
const Bool_t kFALSE
Definition: RtypesCore.h:101
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
Box class.
Definition: TGeoBBox.h:18
Geometrical transformation package.
Definition: TGeoMatrix.h:41
Base abstract class for all shapes.
Definition: TGeoShape.h:26
static Double_t Big()
Definition: TGeoShape.h:88
TGeoSphere are not just balls having internal and external radii, but sectors of a sphere having defi...
Definition: TGeoSphere.h:18
virtual ~TGeoSphere()
destructor
Definition: TGeoSphere.cxx:127
Double_t DistToSphere(const Double_t *point, const Double_t *dir, Double_t rsph, Bool_t check=kTRUE, Bool_t firstcross=kTRUE) const
compute distance to sphere of radius rsph. Direction has to be a unit vector
Definition: TGeoSphere.cxx:922
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Double_t fPhi1
Definition: TGeoSphere.h:26
Double_t GetPhi1() const
Definition: TGeoSphere.h:74
Double_t fTheta2
Definition: TGeoSphere.h:25
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoSphere.cxx:134
virtual Bool_t GetPointsOnSegments(Int_t, Double_t *) const
Fills array with n random points located on the line segments of the shape mesh.
Definition: TGeoSphere.h:68
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 sphere Check if the bounding box is crossed wit...
Definition: TGeoSphere.cxx:400
Int_t GetNumberOfDivisions() const
Definition: TGeoSphere.h:67
virtual void SetDimensions(Double_t *param)
Set dimensions of the spherical segment starting from a list of parameters.
virtual void InspectShape() const
print shape parameters
void SetSphDimensions(Double_t rmin, Double_t rmax, Double_t theta1, Double_t theta2, Double_t phi1, Double_t phi2)
Set spherical segment dimensions.
Double_t fRmax
Definition: TGeoSphere.h:23
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.
Int_t fNseg
Definition: TGeoSphere.h:21
TGeoSphere & operator=(const TGeoSphere &)=delete
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoSphere.cxx:224
Double_t GetPhi2() const
Definition: TGeoSphere.h:75
virtual Double_t GetRmin() const
Definition: TGeoSphere.h:70
virtual void ComputeBBox()
compute bounding box of the sphere
Definition: TGeoSphere.cxx:149
Double_t fRmin
Definition: TGeoSphere.h:22
TGeoSphere()
Default constructor.
Definition: TGeoSphere.cxx:67
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
virtual Bool_t IsCylType() const
Definition: TGeoSphere.h:77
TGeoSphere(const TGeoSphere &)=delete
Bool_t IsPointInside(const Double_t *point, Bool_t checkR=kTRUE, Bool_t checkTh=kTRUE, Bool_t checkPh=kTRUE) const
Check if a point is inside radius/theta/phi ranges for the spherical sector.
Definition: TGeoSphere.cxx:332
Double_t fTheta1
Definition: TGeoSphere.h:24
virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const
Returns numbers of vertices, segments and polygons composing the shape mesh.
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...
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: TGeoSphere.h:64
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Int_t GetNz() const
Definition: TGeoSphere.h:69
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...
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...
virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const
Get range of shape for a given axis.
Double_t GetTheta2() const
Definition: TGeoSphere.h:73
virtual Double_t GetRmax() const
Definition: TGeoSphere.h:71
virtual void SetNumberOfDivisions(Int_t p)
Set the number of divisions of mesh circles keeping aspect ratio.
virtual void Sizeof3D() const
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
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 sphere
Definition: TGeoSphere.cxx:700
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide this box shape belonging to volume "voldiv" into ndiv equal volumes called divname,...
Definition: TGeoSphere.cxx:952
Double_t GetTheta1() const
Definition: TGeoSphere.h:72
virtual Int_t GetByteCount() const
Definition: TGeoSphere.h:63
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.
virtual const char * GetAxisName(Int_t iaxis) const
Returns name of axis IAXIS.
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.
virtual Bool_t Contains(const Double_t *point) const
test if point is inside this sphere check Rmin<=R<=Rmax
Definition: TGeoSphere.cxx:360
virtual void SetPoints(Double_t *points) const
create sphere mesh points
Int_t IsOnBoundary(const Double_t *point) const
Check if a point in local sphere coordinates is close to a boundary within shape tolerance.
Definition: TGeoSphere.cxx:287
Double_t fPhi2
Definition: TGeoSphere.h:27
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each corner
Definition: TGeoSphere.cxx:388
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Int_t fNz
Definition: TGeoSphere.h:20
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49