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 
17 class TGeoSphere : public TGeoBBox
18 {
19 protected :
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 public:
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;
64  Int_t GetNumberOfDivisions() const {return fNseg;}
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
TGeoSphere::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: TGeoSphere.h:61
TGeoSphere::SetDimensions
virtual void SetDimensions(Double_t *param)
Set dimensions of the spherical segment starting from a list of parameters.
Definition: TGeoSphere.cxx:1611
TGeoSphere::GetAxisName
virtual const char * GetAxisName(Int_t iaxis) const
Returns name of axis IAXIS.
Definition: TGeoSphere.cxx:1012
TGeoSphere::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 sphere Check if the bounding box is crossed wit...
Definition: TGeoSphere.cxx:393
kTRUE
const Bool_t kTRUE
Definition: RtypesCore.h:91
TGeoSphere::GetNumberOfDivisions
Int_t GetNumberOfDivisions() const
Definition: TGeoSphere.h:64
TGeoSphere::ComputeNormal
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoSphere.cxx:217
Option_t
const char Option_t
Definition: RtypesCore.h:66
TGeoSphere::TGeoSphere
TGeoSphere()
Default constructor.
Definition: TGeoSphere.cxx:60
TGeoSphere::GetRmin
virtual Double_t GetRmin() const
Definition: TGeoSphere.h:67
TGeoSphere::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: TGeoSphere.cxx:1842
TGeoSphere::fRmin
Double_t fRmin
Definition: TGeoSphere.h:22
Float_t
float Float_t
Definition: RtypesCore.h:57
Int_t
int Int_t
Definition: RtypesCore.h:45
TGeoSphere::Sizeof3D
virtual void Sizeof3D() const
Definition: TGeoSphere.cxx:1900
TGeoSphere::Divide
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:950
TGeoSphere::IsOnBoundary
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:280
TGeoSphere::fPhi2
Double_t fPhi2
Definition: TGeoSphere.h:27
TGeoSphere::SetSegsAndPols
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoSphere.cxx:1143
TGeoSphere::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: TGeoSphere.cxx:2009
TGeoSphere::SavePrimitive
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoSphere.cxx:1548
TGeoSphere::Contains
virtual Bool_t Contains(const Double_t *point) const
test if point is inside this sphere check Rmin<=R<=Rmax
Definition: TGeoSphere.cxx:353
TGeoSphere::GetNz
Int_t GetNz() const
Definition: TGeoSphere.h:66
TGeoBBox.h
TGeoSphere::MakeBuffer3D
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoSphere.cxx:1101
Bool_t
bool Bool_t
Definition: RtypesCore.h:63
TGeoSphere::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: TGeoSphere.cxx:1983
TGeoSphere::SetNumberOfDivisions
virtual void SetNumberOfDivisions(Int_t p)
Set the number of divisions of mesh circles keeping aspect ratio.
Definition: TGeoSphere.cxx:1619
TGeoSphere::IsCylType
virtual Bool_t IsCylType() const
Definition: TGeoSphere.h:74
bool
TGeoSphere::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: TGeoSphere.cxx:1513
TGeoSphere::Capacity
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoSphere.cxx:127
TGeoSphere::GetBoundingCylinder
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoSphere.cxx:1058
TGeoSphere::SetPoints
virtual void SetPoints(Double_t *points) const
create sphere mesh points
Definition: TGeoSphere.cxx:1632
TGeoSphere::fPhi1
Double_t fPhi1
Definition: TGeoSphere.h:26
TGeoSphere::GetPointsOnSegments
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
TGeoSphere::GetRmax
virtual Double_t GetRmax() const
Definition: TGeoSphere.h:68
TBuffer3D
Generic 3D primitive description class.
Definition: TBuffer3D.h:18
TGeoSphere::DistToSphere
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:920
TGeoSphere::ComputeBBox
virtual void ComputeBBox()
compute bounding box of the sphere
Definition: TGeoSphere.cxx:142
TGeoShape
Base abstract class for all shapes.
Definition: TGeoShape.h:26
TGeoSphere
Spherical shell class.
Definition: TGeoSphere.h:18
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:92
TGeoSphere::SetSphDimensions
void SetSphDimensions(Double_t rmin, Double_t rmax, Double_t theta1, Double_t theta2, Double_t phi1, Double_t phi2)
Set spherical segment dimensions.
Definition: TGeoSphere.cxx:1565
TGeoSphere::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: TGeoSphere.cxx:1991
TGeoSphere::fRmax
Double_t fRmax
Definition: TGeoSphere.h:23
TGeoBBox
Box class.
Definition: TGeoBBox.h:18
TGeoSphere::GetPhi2
Double_t GetPhi2() const
Definition: TGeoSphere.h:72
TGeoSphere::GetAxisRange
virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const
Get range of shape for a given axis.
Definition: TGeoSphere.cxx:1029
TGeoSphere::GetNmeshVertices
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoSphere.cxx:1875
TGeoSphere::fTheta1
Double_t fTheta1
Definition: TGeoSphere.h:24
TGeoSphere::IsPointInside
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:325
TGeoSphere::fNseg
Int_t fNseg
Definition: TGeoSphere.h:21
TGeoSphere::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: TGeoSphere.cxx:1999
TGeoSphere::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: TGeoSphere.cxx:1973
Double_t
double Double_t
Definition: RtypesCore.h:59
TGeoSphere::GetTheta2
Double_t GetTheta2() const
Definition: TGeoSphere.h:70
TGeoMatrix
Geometrical transformation package.
Definition: TGeoMatrix.h:41
TGeoSphere::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 sphere
Definition: TGeoSphere.cxx:695
TGeoSphere::~TGeoSphere
virtual ~TGeoSphere()
destructor
Definition: TGeoSphere.cxx:120
points
point * points
Definition: X3DBuffer.c:22
TGeoSphere::GetTheta1
Double_t GetTheta1() const
Definition: TGeoSphere.h:69
ClassDef
#define ClassDef(name, id)
Definition: Rtypes.h:325
name
char name[80]
Definition: TGX11.cxx:110
TGeoSphere::InspectShape
virtual void InspectShape() const
print shape parameters
Definition: TGeoSphere.cxx:1084
TGeoSphere::DistancetoPrimitive
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each corner
Definition: TGeoSphere.cxx:381
TGeoSphere::fTheta2
Double_t fTheta2
Definition: TGeoSphere.h:25
TGeoShape::Big
static Double_t Big()
Definition: TGeoShape.h:88
TGeoSphere::fNz
Int_t fNz
Definition: TGeoSphere.h:20
TGeoSphere::GetByteCount
virtual Int_t GetByteCount() const
Definition: TGeoSphere.h:60
TGeoVolume
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49
TGeoSphere::GetBuffer3D
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoSphere.cxx:1907
TGeoSphere::GetPhi1
Double_t GetPhi1() const
Definition: TGeoSphere.h:71
int