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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 
17 class TGeoTorus : public TGeoBBox
18 {
19 protected :
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 
28 public:
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;
36 public:
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
Double_t GetDphi() const
Definition: TGeoTorus.h:73
virtual Int_t GetByteCount() const
Definition: TGeoTorus.h:64
Box class.
Definition: TGeoBBox.h:17
float Float_t
Definition: RtypesCore.h:53
const char Option_t
Definition: RtypesCore.h:62
Geometrical transformation package.
Definition: TGeoMatrix.h:40
virtual const char * GetAxisName(Int_t iaxis) const
Returns name of axis IAXIS.
Definition: TGeoTorus.cxx:454
Double_t GetR() const
Definition: TGeoTorus.h:69
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:42
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
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 GetRmin() const
Definition: TGeoTorus.h:70
Torus segment class.
Definition: TGeoTorus.h:17
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const
Create a shape fitting the mother.
Definition: TGeoTorus.cxx:509
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
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
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
Double_t fRmax
Definition: TGeoTorus.h:23
virtual void SetPoints(Double_t *points) const
Create torus mesh points.
Definition: TGeoTorus.cxx:793
Double_t x[n]
Definition: legend1.C:17
#define ClassDef(name, id)
Definition: Rtypes.h:326
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
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
Double_t fDphi
Definition: TGeoTorus.h:25
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
void SetTorusDimensions(Double_t r, Double_t rmin, Double_t rmax, Double_t phi1, Double_t dphi)
Set torus dimensions.
Definition: TGeoTorus.cxx:771
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
Double_t fR
Definition: TGeoTorus.h:21
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
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
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
point * points
Definition: X3DBuffer.c:22
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
Definition: TGeoTorus.cxx:535
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 void InspectShape() const
print shape parameters
Definition: TGeoTorus.cxx:519
Base abstract class for all shapes.
Definition: TGeoShape.h:25
TPaveText * pt
ROOT::R::TRInterface & r
Definition: Object.C:4
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute closest distance from point px,py to each vertex.
Definition: TGeoTorus.cxx:235
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
auto * a
Definition: textangle.C:12
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoTorus.cxx:498
Generic 3D primitive description class.
Definition: TBuffer3D.h:17
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 ~TGeoTorus()
Definition: TGeoTorus.h:43
Double_t fPhi1
Definition: TGeoTorus.h:24
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, from start position with the given step.
Definition: TGeoTorus.cxx:445
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoTorus.cxx:115
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.
Definition: TGeoTorus.cxx:569
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
const Bool_t kFALSE
Definition: RtypesCore.h:88
#define d(i)
Definition: RSha256.hxx:102
Double_t GetRmax() const
Definition: TGeoTorus.h:71
Double_t fRmin
Definition: TGeoTorus.h:22
double Double_t
Definition: RtypesCore.h:55
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Definition: TGeoTorus.cxx:1171
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 SetDimensions(Double_t *param)
Set torus dimensions starting from a list.
Definition: TGeoTorus.cxx:785
static Double_t Big()
Definition: TGeoShape.h:88
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
Definition: TGeoTorus.cxx:911
Double_t GetPhi1() const
Definition: TGeoTorus.h:72
virtual Bool_t IsCylType() const
Definition: TGeoTorus.h:75
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 ComputeBBox()
Compute bounding box of the torus.
Definition: TGeoTorus.cxx:124
you should not use this method at all Int_t Int_t Double_t Double_t Double_t Int_t Double_t Double_t Double_t Double_t b
Definition: TRolke.cxx:630
TGeoTorus()
Default constructor.
Definition: TGeoTorus.cxx:59
#define c(i)
Definition: RSha256.hxx:101
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoTorus.cxx:923
const Bool_t kTRUE
Definition: RtypesCore.h:87
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
char name[80]
Definition: TGX11.cxx:109
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