Logo ROOT   6.18/05
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
29public:
30 // constructors
31 TGeoSphere();
32 TGeoSphere(Double_t rmin, Double_t rmax, Double_t theta1=0, Double_t theta2=180,
33 Double_t phi1=0, Double_t phi2=360);
34 TGeoSphere(const char *name, Double_t rmin, Double_t rmax, Double_t theta1=0, Double_t theta2=180,
35 Double_t phi1=0, Double_t phi2=360);
36 TGeoSphere(Double_t *param, Int_t nparam=6);
37 // destructor
38 virtual ~TGeoSphere();
39 // methods
40 virtual Double_t Capacity() const;
41 virtual void ComputeBBox();
42 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
43 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
44 virtual Bool_t Contains(const Double_t *point) const;
45 virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
46 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
47 virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
48 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
49 virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
50 virtual Double_t DistFromOutside(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 DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
53 Double_t DistToSphere(const Double_t *point, const Double_t *dir, Double_t rsph, Bool_t check=kTRUE, Bool_t firstcross=kTRUE) const;
54 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
55 Double_t start, Double_t step);
56 virtual const char *GetAxisName(Int_t iaxis) const;
57 virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const;
58 virtual void GetBoundingCylinder(Double_t *param) const;
59 virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
60 virtual Int_t GetByteCount() const {return 42;}
61 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
62 virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
63 virtual Int_t GetNmeshVertices() const;
65 virtual Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const {return kFALSE;}
66 Int_t GetNz() const {return fNz;}
67 virtual Double_t GetRmin() const {return fRmin;}
68 virtual Double_t GetRmax() const {return fRmax;}
69 Double_t GetTheta1() const {return fTheta1;}
70 Double_t GetTheta2() const {return fTheta2;}
71 Double_t GetPhi1() const {return fPhi1;}
72 Double_t GetPhi2() const {return fPhi2;}
73 virtual void InspectShape() const;
74 virtual Bool_t IsCylType() const {return kFALSE;}
75 Int_t IsOnBoundary(const Double_t *point) const;
76 Bool_t IsPointInside(const Double_t *point, Bool_t checkR=kTRUE, Bool_t checkTh=kTRUE, Bool_t checkPh=kTRUE) const;
77 virtual TBuffer3D *MakeBuffer3D() const;
78 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
79 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
80 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
81 void SetSphDimensions(Double_t rmin, Double_t rmax, Double_t theta1,
82 Double_t theta2, Double_t phi1, Double_t phi2);
83 virtual void SetNumberOfDivisions(Int_t p);
84 virtual void SetDimensions(Double_t *param);
85 void SetDimensions(Double_t *param, Int_t nparam);
86 virtual void SetPoints(Double_t *points) const;
87 virtual void SetPoints(Float_t *points) const;
88 virtual void SetSegsAndPols(TBuffer3D &buff) const;
89 virtual void Sizeof3D() const;
90
91 ClassDef(TGeoSphere, 1) // sphere class
92};
93
94#endif
int Int_t
Definition: RtypesCore.h:41
const Bool_t kFALSE
Definition: RtypesCore.h:88
bool Bool_t
Definition: RtypesCore.h:59
double Double_t
Definition: RtypesCore.h:55
float Float_t
Definition: RtypesCore.h:53
const Bool_t kTRUE
Definition: RtypesCore.h:87
const char Option_t
Definition: RtypesCore.h:62
#define ClassDef(name, id)
Definition: Rtypes.h:326
char name[80]
Definition: TGX11.cxx:109
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
Spherical shell class.
Definition: TGeoSphere.h:18
virtual ~TGeoSphere()
destructor
Definition: TGeoSphere.cxx:121
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:921
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Double_t fPhi1
Definition: TGeoSphere.h:26
Double_t GetPhi1() const
Definition: TGeoSphere.h:71
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:128
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:65
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:394
Int_t GetNumberOfDivisions() const
Definition: TGeoSphere.h:64
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
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoSphere.cxx:218
Double_t GetPhi2() const
Definition: TGeoSphere.h:72
virtual Double_t GetRmin() const
Definition: TGeoSphere.h:67
virtual void ComputeBBox()
compute bounding box of the sphere
Definition: TGeoSphere.cxx:143
Double_t fRmin
Definition: TGeoSphere.h:22
TGeoSphere()
Default constructor.
Definition: TGeoSphere.cxx:61
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:74
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:326
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:61
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:66
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:70
virtual Double_t GetRmax() const
Definition: TGeoSphere.h:68
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:696
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:951
Double_t GetTheta1() const
Definition: TGeoSphere.h:69
virtual Int_t GetByteCount() const
Definition: TGeoSphere.h:60
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:354
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:281
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:382
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:53