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TGeoTorus.h
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1// @(#)root/base:$Id$
2// Author: Andrei Gheata 28/07/03
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_TGeoTorus
13#define ROOT_TGeoTorus
14
15#include "TGeoBBox.h"
16
17class TGeoTorus : public TGeoBBox
18{
19protected :
20// data members
21 Double_t fR; // axial radius
22 Double_t fRmin; // inner radius
23 Double_t fRmax; // outer radius
24 Double_t fPhi1; // starting phi
25 Double_t fDphi; // phi extent
26// methods
27 TGeoTorus(const TGeoTorus&) = delete;
28 TGeoTorus& operator=(const TGeoTorus&) = delete;
29
30public:
31 virtual Double_t Capacity() const;
32 Double_t Daxis(const Double_t *pt, const Double_t *dir, Double_t t) const;
33 Double_t DDaxis(const Double_t *pt, const Double_t *dir, Double_t t) const;
34 Double_t DDDaxis(const Double_t *pt, const Double_t *dir, Double_t t) const;
35 Double_t ToBoundary(const Double_t *pt, const Double_t *dir, Double_t r, Bool_t in) const;
38public:
39 // constructors
40 TGeoTorus();
41 TGeoTorus(Double_t r, Double_t rmin, Double_t rmax, Double_t phi1=0, Double_t dphi=360);
42 TGeoTorus(const char * name, Double_t r, Double_t rmin, Double_t rmax, Double_t phi1=0, Double_t dphi=360);
43 TGeoTorus(Double_t *params);
44 // destructor
45 virtual ~TGeoTorus() {}
46 // methods
47
48 virtual void ComputeBBox();
49 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
50 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
51 virtual Bool_t Contains(const Double_t *point) const;
52 virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
53 virtual Double_t DistFromInside(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 DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
56 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
57 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
58 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
59 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
60 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
61 Double_t start, Double_t step);
62 virtual const char *GetAxisName(Int_t iaxis) const;
63 virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const;
64 virtual void GetBoundingCylinder(Double_t *param) const;
65 virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
66 virtual Int_t GetByteCount() const {return 56;}
67 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
68 virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
69 virtual Int_t GetNmeshVertices() const;
70 virtual Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const {return kFALSE;}
71 Double_t GetR() const {return fR;}
72 Double_t GetRmin() const {return fRmin;}
73 Double_t GetRmax() const {return fRmax;}
74 Double_t GetPhi1() const {return fPhi1;}
75 Double_t GetDphi() const {return fDphi;}
76 virtual void InspectShape() const;
77 virtual Bool_t IsCylType() const {return kTRUE;}
78 virtual TBuffer3D *MakeBuffer3D() const;
79 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
80 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
81 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
82 void SetTorusDimensions(Double_t r, Double_t rmin, Double_t rmax, Double_t phi1, Double_t dphi);
83 virtual void SetDimensions(Double_t *param);
84 virtual void SetPoints(Double_t *points) const;
85 virtual void SetPoints(Float_t *points) const;
86 virtual void SetSegsAndPols(TBuffer3D &buff) const;
87 virtual void Sizeof3D() const;
88
89 ClassDef(TGeoTorus, 1) // torus class
90
91};
92
93#endif
#define d(i)
Definition: RSha256.hxx:102
#define c(i)
Definition: RSha256.hxx:101
bool Bool_t
Definition: RtypesCore.h:63
int Int_t
Definition: RtypesCore.h:45
const Bool_t kFALSE
Definition: RtypesCore.h:101
float Float_t
Definition: RtypesCore.h:57
double Double_t
Definition: RtypesCore.h:59
const Bool_t kTRUE
Definition: RtypesCore.h:100
const char Option_t
Definition: RtypesCore.h:66
#define ClassDef(name, id)
Definition: Rtypes.h:335
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 Rectangle_t WindowAttributes_t Float_t Float_t Float_t b
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t r
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: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
The torus is defined by its axial radius, its inner and outer radius.
Definition: TGeoTorus.h:18
Double_t GetRmax() const
Definition: TGeoTorus.h:73
Int_t SolveQuartic(Double_t a, Double_t b, Double_t c, Double_t d, Double_t *x) const
Find real solutions of the quartic equation : x^4 + a*x^3 + b*x^2 + c*x + d = 0 Input: a,...
Definition: TGeoTorus.cxx:979
virtual Bool_t Contains(const Double_t *point) const
Test if point is inside the torus.
Definition: TGeoTorus.cxx:222
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: TGeoTorus.cxx:1241
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoTorus.cxx:759
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const
Create a shape fitting the mother.
Definition: TGeoTorus.cxx:514
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 torus.
Definition: TGeoTorus.cxx:335
Double_t ToBoundary(const Double_t *pt, const Double_t *dir, Double_t r, Bool_t in) const
Returns distance to the surface or the torus (fR,r) from a point, along a direction.
Definition: TGeoTorus.cxx:1067
virtual void InspectShape() const
print shape parameters
Definition: TGeoTorus.cxx:524
virtual Bool_t IsCylType() const
Definition: TGeoTorus.h:77
Double_t DDDaxis(const Double_t *pt, const Double_t *dir, Double_t t) const
Second derivative of distance to torus axis w.r.t t.
Definition: TGeoTorus.cxx:280
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoTorus.cxx:122
virtual Int_t GetByteCount() const
Definition: TGeoTorus.h:66
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: TGeoTorus.cxx:1151
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 torus.
Definition: TGeoTorus.cxx:298
Double_t Daxis(const Double_t *pt, const Double_t *dir, Double_t t) const
Computes distance to axis of the torus from point pt + t*dir;.
Definition: TGeoTorus.cxx:254
virtual void SetDimensions(Double_t *param)
Set torus dimensions starting from a list.
Definition: TGeoTorus.cxx:789
void SetTorusDimensions(Double_t r, Double_t rmin, Double_t rmax, Double_t phi1, Double_t dphi)
Set torus dimensions.
Definition: TGeoTorus.cxx:775
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoTorus.cxx:574
Double_t GetRmin() const
Definition: TGeoTorus.h:72
Double_t GetR() const
Definition: TGeoTorus.h:71
Double_t fR
Definition: TGeoTorus.h:21
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoTorus.cxx:178
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: TGeoTorus.h:70
virtual void SetPoints(Double_t *points) const
Create torus mesh points.
Definition: TGeoTorus.cxx:797
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoTorus.cxx:1174
Double_t fRmax
Definition: TGeoTorus.h:23
virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const
Get range of shape for a given axis.
Definition: TGeoTorus.cxx:476
Double_t fDphi
Definition: TGeoTorus.h:25
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoTorus.cxx:915
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute closest distance from point px,py to each vertex.
Definition: TGeoTorus.cxx:242
Double_t DDaxis(const Double_t *pt, const Double_t *dir, Double_t t) const
Computes derivative w.r.t. t of the distance to axis of the torus from point pt + t*dir;.
Definition: TGeoTorus.cxx:265
virtual void ComputeBBox()
Compute bounding box of the torus.
Definition: TGeoTorus.cxx:131
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide this torus shape belonging to volume "voldiv" into ndiv volumes called divname,...
Definition: TGeoTorus.cxx:450
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: TGeoTorus.cxx:1249
Double_t GetPhi1() const
Definition: TGeoTorus.h:74
virtual ~TGeoTorus()
Definition: TGeoTorus.h:45
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoTorus.cxx:503
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: TGeoTorus.cxx:1223
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: TGeoTorus.cxx:732
Double_t fPhi1
Definition: TGeoTorus.h:24
TGeoTorus()
Default constructor.
Definition: TGeoTorus.cxx:66
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoTorus.cxx:540
Int_t SolveCubic(Double_t a, Double_t b, Double_t c, Double_t *x) const
Find real solutions of the cubic equation : x^3 + a*x^2 + b*x + c = 0 Input: a,b,c Output: x[3] real ...
Definition: TGeoTorus.cxx:937
virtual const char * GetAxisName(Int_t iaxis) const
Returns name of axis IAXIS.
Definition: TGeoTorus.cxx:459
TGeoTorus & operator=(const TGeoTorus &)=delete
Double_t GetDphi() const
Definition: TGeoTorus.h:75
Double_t fRmin
Definition: TGeoTorus.h:22
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoTorus.cxx:927
TGeoTorus(const TGeoTorus &)=delete
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: TGeoTorus.cxx:1233
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: TGeoTorus.cxx:1259
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49
TPaveText * pt
Double_t x[n]
Definition: legend1.C:17
TArc a
Definition: textangle.C:12