Logo ROOT  
Reference Guide
 
Loading...
Searching...
No Matches
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 {
18protected:
19 Int_t fNz; // number of z planes for drawing
20 Int_t fNseg; // number of segments for drawing
21 Double_t fRmin; // inner radius
22 Double_t fRmax; // outer radius
23 Double_t fTheta1; // lower theta limit
24 Double_t fTheta2; // higher theta limit
25 Double_t fPhi1; // lower phi limit
26 Double_t fPhi2; // higher phi limit
27
28 TGeoSphere(const TGeoSphere &) = delete;
29 TGeoSphere &operator=(const TGeoSphere &) = delete;
30
31public:
32 // constructors
33 TGeoSphere();
34 TGeoSphere(Double_t rmin, Double_t rmax, Double_t theta1 = 0, Double_t theta2 = 180, Double_t phi1 = 0,
35 Double_t phi2 = 360);
36 TGeoSphere(const char *name, Double_t rmin, Double_t rmax, Double_t theta1 = 0, Double_t theta2 = 180,
37 Double_t phi1 = 0, Double_t phi2 = 360);
38 TGeoSphere(Double_t *param, Int_t nparam = 6);
39 // destructor
40 ~TGeoSphere() override;
41 // methods
42 Double_t Capacity() const override;
43 void ComputeBBox() override;
44 void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm) override;
45 void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) override;
46 Bool_t Contains(const Double_t *point) const override;
47 void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const override;
48 Int_t DistancetoPrimitive(Int_t px, Int_t py) override;
49 Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact = 1, Double_t step = TGeoShape::Big(),
50 Double_t *safe = nullptr) const override;
51 void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
52 Double_t *step) const override;
53 Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact = 1,
54 Double_t step = TGeoShape::Big(), Double_t *safe = nullptr) const override;
55 void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize,
56 Double_t *step) const override;
57 Double_t DistToSphere(const Double_t *point, const Double_t *dir, Double_t rsph, Bool_t check = kTRUE,
58 Bool_t firstcross = kTRUE) const;
60 Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) override;
61 const char *GetAxisName(Int_t iaxis) const override;
62 Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const override;
63 void GetBoundingCylinder(Double_t *param) const override;
64 const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const override;
65 Int_t GetByteCount() const override { return 42; }
66 TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const override { return nullptr; }
67 void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const override;
68 Int_t GetNmeshVertices() const override;
69 Int_t GetNumberOfDivisions() const { return fNseg; }
70 Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const override { return kFALSE; }
71 Int_t GetNz() const { return fNz; }
72 virtual Double_t GetRmin() const { return fRmin; }
73 virtual Double_t GetRmax() const { return fRmax; }
74 Double_t GetTheta1() const { return fTheta1; }
75 Double_t GetTheta2() const { return fTheta2; }
76 Double_t GetPhi1() const { return fPhi1; }
77 Double_t GetPhi2() const { return fPhi2; }
78 void InspectShape() const override;
79 Bool_t IsCylType() const override { return kFALSE; }
80 Int_t IsOnBoundary(const Double_t *point) const;
81 Bool_t
82 IsPointInside(const Double_t *point, Bool_t checkR = kTRUE, Bool_t checkTh = kTRUE, Bool_t checkPh = kTRUE) const;
83 TBuffer3D *MakeBuffer3D() const override;
84 Double_t Safety(const Double_t *point, Bool_t in = kTRUE) const override;
85 void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const override;
86 void SavePrimitive(std::ostream &out, Option_t *option = "") override;
87 void SetSphDimensions(Double_t rmin, Double_t rmax, Double_t theta1, Double_t theta2, Double_t phi1, Double_t phi2);
88 virtual void SetNumberOfDivisions(Int_t p);
89 void SetDimensions(Double_t *param) override;
90 void SetDimensions(Double_t *param, Int_t nparam);
91 void SetPoints(Double_t *points) const override;
92 void SetPoints(Float_t *points) const override;
93 void SetSegsAndPols(TBuffer3D &buff) const override;
94 void Sizeof3D() const override;
95
96 ClassDefOverride(TGeoSphere, 1) // sphere class
97};
98
99#endif
bool Bool_t
Definition RtypesCore.h:63
int Int_t
Definition RtypesCore.h:45
float Float_t
Definition RtypesCore.h:57
constexpr Bool_t kFALSE
Definition RtypesCore.h:101
double Double_t
Definition RtypesCore.h:59
constexpr Bool_t kTRUE
Definition RtypesCore.h:100
const char Option_t
Definition RtypesCore.h:66
#define ClassDefOverride(name, id)
Definition Rtypes.h:341
winID h TVirtualViewer3D TVirtualGLPainter p
Option_t Option_t option
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t points
char name[80]
Definition TGX11.cxx:110
Generic 3D primitive description class.
Definition TBuffer3D.h:18
Box class.
Definition TGeoBBox.h:17
Geometrical transformation package.
Definition TGeoMatrix.h:38
Base abstract class for all shapes.
Definition TGeoShape.h:25
static Double_t Big()
Definition TGeoShape.h:87
TGeoSphere are not just balls having internal and external radii, but sectors of a sphere having defi...
Definition TGeoSphere.h:17
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
Double_t fPhi1
Definition TGeoSphere.h:25
Double_t GetPhi1() const
Definition TGeoSphere.h:76
Double_t fTheta2
Definition TGeoSphere.h:24
TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) override
Divide this box shape belonging to volume "voldiv" into ndiv equal volumes called divname,...
void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const override
Compute distance from array of input points having directions specified by dirs. Store output in dist...
void SetPoints(Double_t *points) const override
create sphere mesh points
void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm) override
Compute normal to closest surface from POINT.
Bool_t Contains(const Double_t *point) const override
test if point is inside this sphere check Rmin<=R<=Rmax
Int_t GetNumberOfDivisions() const
Definition TGeoSphere.h:69
void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const override
Check the inside status for each of the points in the array.
void SetSphDimensions(Double_t rmin, Double_t rmax, Double_t theta1, Double_t theta2, Double_t phi1, Double_t phi2)
Set spherical segment dimensions.
void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const override
Returns numbers of vertices, segments and polygons composing the shape mesh.
Double_t fRmax
Definition TGeoSphere.h:22
void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const override
Compute safe distance from each of the points in the input array.
Int_t fNseg
Definition TGeoSphere.h:20
TGeoSphere & operator=(const TGeoSphere &)=delete
Double_t GetPhi2() const
Definition TGeoSphere.h:77
void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const override
Compute distance from array of input points having directions specified by dirs. Store output in dist...
virtual Double_t GetRmin() const
Definition TGeoSphere.h:72
Double_t fRmin
Definition TGeoSphere.h:21
TGeoSphere()
Default constructor.
void SetDimensions(Double_t *param) override
Set dimensions of the spherical segment starting from a list of parameters.
TBuffer3D * MakeBuffer3D() const override
Creates a TBuffer3D describing this shape.
void InspectShape() const override
print shape parameters
void SetSegsAndPols(TBuffer3D &buff) const override
Fill TBuffer3D structure for segments and polygons.
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.
Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const override
computes the closest distance from given point to this shape, according to option.
void ComputeBBox() override
compute bounding box of the sphere
Double_t fTheta1
Definition TGeoSphere.h:23
Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const override
Get range of shape for a given axis.
Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=nullptr) const override
compute distance from outside point to surface of the sphere Check if the bounding box is crossed wit...
const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const override
Fills a static 3D buffer and returns a reference.
Int_t GetNz() const
Definition TGeoSphere.h:71
const char * GetAxisName(Int_t iaxis) const override
Returns name of axis IAXIS.
TGeoShape * GetMakeRuntimeShape(TGeoShape *, TGeoMatrix *) const override
In case shape has some negative parameters, these has to be computed in order to fit the mother.
Definition TGeoSphere.h:66
Double_t Capacity() const override
Computes capacity of the shape in [length^3].
Double_t GetTheta2() const
Definition TGeoSphere.h:75
virtual Double_t GetRmax() const
Definition TGeoSphere.h:73
virtual void SetNumberOfDivisions(Int_t p)
Set the number of divisions of mesh circles keeping aspect ratio.
void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) override
Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coor...
Double_t GetTheta1() const
Definition TGeoSphere.h:74
Bool_t GetPointsOnSegments(Int_t, Double_t *) const override
Fills array with n random points located on the line segments of the shape mesh.
Definition TGeoSphere.h:70
void GetBoundingCylinder(Double_t *param) const override
Fill vector param[4] with the bounding cylinder parameters.
Int_t GetNmeshVertices() const override
Return number of vertices of the mesh representation.
Bool_t IsCylType() const override
Definition TGeoSphere.h:79
~TGeoSphere() override
destructor
Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=nullptr) const override
compute distance from inside point to surface of the sphere
Int_t GetByteCount() const override
Definition TGeoSphere.h:65
Int_t IsOnBoundary(const Double_t *point) const
Check if a point in local sphere coordinates is close to a boundary within shape tolerance.
void SavePrimitive(std::ostream &out, Option_t *option="") override
Save a primitive as a C++ statement(s) on output stream "out".
Int_t DistancetoPrimitive(Int_t px, Int_t py) override
compute closest distance from point px,py to each corner
Double_t fPhi2
Definition TGeoSphere.h:26
Int_t fNz
Definition TGeoSphere.h:19
void Sizeof3D() const override
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition TGeoVolume.h:43