Logo ROOT   6.16/01
Reference Guide
TGeoTorus.h
Go to the documentation of this file.
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
28public:
29 virtual Double_t Capacity() const;
30 Double_t Daxis(const Double_t *pt, const Double_t *dir, Double_t t) const;
31 Double_t DDaxis(const Double_t *pt, const Double_t *dir, Double_t t) const;
32 Double_t DDDaxis(const Double_t *pt, const Double_t *dir, Double_t t) const;
33 Double_t ToBoundary(const Double_t *pt, const Double_t *dir, Double_t r, Bool_t in) const;
36public:
37 // constructors
38 TGeoTorus();
39 TGeoTorus(Double_t r, Double_t rmin, Double_t rmax, Double_t phi1=0, Double_t dphi=360);
40 TGeoTorus(const char * name, Double_t r, Double_t rmin, Double_t rmax, Double_t phi1=0, Double_t dphi=360);
41 TGeoTorus(Double_t *params);
42 // destructor
43 virtual ~TGeoTorus() {}
44 // methods
45
46 virtual void ComputeBBox();
47 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
48 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
49 virtual Bool_t Contains(const Double_t *point) const;
50 virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
51 virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
52 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
53 virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
54 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
55 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
56 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
57 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
58 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
59 Double_t start, Double_t step);
60 virtual const char *GetAxisName(Int_t iaxis) const;
61 virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const;
62 virtual void GetBoundingCylinder(Double_t *param) const;
63 virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
64 virtual Int_t GetByteCount() const {return 56;}
65 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
66 virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
67 virtual Int_t GetNmeshVertices() const;
68 virtual Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const {return kFALSE;}
69 Double_t GetR() const {return fR;}
70 Double_t GetRmin() const {return fRmin;}
71 Double_t GetRmax() const {return fRmax;}
72 Double_t GetPhi1() const {return fPhi1;}
73 Double_t GetDphi() const {return fDphi;}
74 virtual void InspectShape() const;
75 virtual Bool_t IsCylType() const {return kTRUE;}
76 virtual TBuffer3D *MakeBuffer3D() const;
77 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
78 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
79 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
80 void SetTorusDimensions(Double_t r, Double_t rmin, Double_t rmax, Double_t phi1, Double_t dphi);
81 virtual void SetDimensions(Double_t *param);
82 virtual void SetPoints(Double_t *points) const;
83 virtual void SetPoints(Float_t *points) const;
84 virtual void SetSegsAndPols(TBuffer3D &buff) const;
85 virtual void Sizeof3D() const;
86
87 ClassDef(TGeoTorus, 1) // torus class
88
89};
90
91#endif
ROOT::R::TRInterface & r
Definition: Object.C:4
#define d(i)
Definition: RSha256.hxx:102
#define b(i)
Definition: RSha256.hxx:100
#define c(i)
Definition: RSha256.hxx:101
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:324
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
Torus segment class.
Definition: TGeoTorus.h:18
Double_t GetRmax() const
Definition: TGeoTorus.h:71
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:975
virtual Bool_t Contains(const Double_t *point) const
Test if point is inside the torus.
Definition: TGeoTorus.cxx:215
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:1238
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoTorus.cxx:755
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const
Create a shape fitting the mother.
Definition: TGeoTorus.cxx:509
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:330
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:1063
virtual void InspectShape() const
print shape parameters
Definition: TGeoTorus.cxx:519
virtual Bool_t IsCylType() const
Definition: TGeoTorus.h:75
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:273
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoTorus.cxx:115
virtual Int_t GetByteCount() const
Definition: TGeoTorus.h:64
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:1148
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:291
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:247
virtual void SetDimensions(Double_t *param)
Set torus dimensions starting from a list.
Definition: TGeoTorus.cxx:785
void SetTorusDimensions(Double_t r, Double_t rmin, Double_t rmax, Double_t phi1, Double_t dphi)
Set torus dimensions.
Definition: TGeoTorus.cxx:771
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoTorus.cxx:569
Double_t GetRmin() const
Definition: TGeoTorus.h:70
Double_t GetR() const
Definition: TGeoTorus.h:69
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:171
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:68
virtual void SetPoints(Double_t *points) const
Create torus mesh points.
Definition: TGeoTorus.cxx:793
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoTorus.cxx:1171
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:471
Double_t fDphi
Definition: TGeoTorus.h:25
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoTorus.cxx:911
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute closest distance from point px,py to each vertex.
Definition: TGeoTorus.cxx:235
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:258
virtual void ComputeBBox()
Compute bounding box of the torus.
Definition: TGeoTorus.cxx:124
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:445
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:1246
Double_t GetPhi1() const
Definition: TGeoTorus.h:72
virtual ~TGeoTorus()
Definition: TGeoTorus.h:43
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoTorus.cxx:498
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:1220
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:727
Double_t fPhi1
Definition: TGeoTorus.h:24
TGeoTorus()
Default constructor.
Definition: TGeoTorus.cxx:59
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoTorus.cxx:535
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:933
virtual const char * GetAxisName(Int_t iaxis) const
Returns name of axis IAXIS.
Definition: TGeoTorus.cxx:454
Double_t GetDphi() const
Definition: TGeoTorus.h:73
Double_t fRmin
Definition: TGeoTorus.h:22
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoTorus.cxx:923
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:1230
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:1256
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:53
TPaveText * pt
Double_t x[n]
Definition: legend1.C:17
auto * a
Definition: textangle.C:12