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TGeoArb8.h
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1// @(#)root/geom:$Id$
2// Author: Andrei Gheata 24/10/01
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_TGeoArb8
13#define ROOT_TGeoArb8
14
15#include "TGeoBBox.h"
16
17class TGeoArb8 : public TGeoBBox
18{
19protected:
21// kArb8Trd1 = BIT(25), // trd1 type
22// kArb8Trd2 = BIT(26), // trd2 type
23 kArb8Trap = BIT(27), // planar surface trapezoid
24 kArb8Tra = BIT(28) // general twisted trapezoid
25 };
26 // data members
27 Double_t fDz{0}; // half length in Z
28 Double_t *fTwist{nullptr}; //! [4] tangents of twist angles
29 Double_t fXY[8][2]; // list of vertices
30
31 TGeoArb8(const TGeoArb8 &) = delete;
32 TGeoArb8& operator=(const TGeoArb8 &) = delete;
33
34 void CopyTwist(Double_t *twist = nullptr);
35
36public:
37 // constructors
38 TGeoArb8();
39 TGeoArb8(Double_t dz, Double_t *vertices=0);
40 TGeoArb8(const char *name, Double_t dz, Double_t *vertices=0);
41 // destructor
42 virtual ~TGeoArb8();
43 // methods
44 virtual Double_t Capacity() const;
45 virtual void ComputeBBox();
46 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
47 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
48 void ComputeTwist();
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 Double_t DistToPlane(const Double_t *point, const Double_t *dir, Int_t ipl, Bool_t in) const;
52 virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
53 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
54 virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
55 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
56 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
57 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
58 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
59 Double_t start, Double_t step);
60 virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const;
61 virtual void GetBoundingCylinder(Double_t *param) const;
62 virtual Int_t GetByteCount() const {return 100;}
63 Double_t GetClosestEdge(const Double_t *point, Double_t *vert, Int_t &isegment) const;
64 virtual Bool_t GetPointsOnFacet(Int_t /*index*/, Int_t /*npoints*/, Double_t * /*array*/) const;
65 Double_t GetDz() const {return fDz;}
66 virtual Int_t GetFittingBox(const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const;
67 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
68 static void GetPlaneNormal(Double_t *p1, Double_t *p2, Double_t *p3, Double_t *norm);
69 Double_t *GetVertices() {return &fXY[0][0];}
70 Double_t GetTwist(Int_t iseg) const;
71 virtual Bool_t IsCylType() const {return kFALSE;}
72 static Bool_t IsSamePoint(const Double_t *p1, const Double_t *p2) {return (TMath::Abs(p1[0]-p2[0])<1.E-16 && TMath::Abs(p1[1]-p2[1])<1.E-16)?kTRUE:kFALSE;}
74 virtual void InspectShape() const;
75 Bool_t IsTwisted() const {return (fTwist==0)?kFALSE:kTRUE;}
76 Double_t SafetyToFace(const Double_t *point, Int_t iseg, Bool_t in) 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 SetPlaneVertices(Double_t zpl, Double_t *vertices) const;
81 virtual void SetVertex(Int_t vnum, Double_t x, Double_t y);
82 virtual void SetDimensions(Double_t *param);
83 void SetDz(Double_t dz) {fDz = dz;}
84 virtual void SetPoints(Double_t *points) const;
85 virtual void SetPoints(Float_t *points) const;
86 virtual void Sizeof3D() const;
87
88 ClassDef(TGeoArb8, 1) // arbitrary trapezoid with 8 vertices
89};
90
91class TGeoTrap : public TGeoArb8
92{
93protected:
94 // data members
95 Double_t fTheta; // theta angle
96 Double_t fPhi; // phi angle
97 Double_t fH1; // half length in y at low z
98 Double_t fBl1; // half length in x at low z and y low edge
99 Double_t fTl1; // half length in x at low z and y high edge
100 Double_t fAlpha1;// angle between centers of x edges an y axis at low z
101 Double_t fH2; // half length in y at high z
102 Double_t fBl2; // half length in x at high z and y low edge
103 Double_t fTl2; // half length in x at high z and y high edge
104 Double_t fAlpha2;// angle between centers of x edges an y axis at low z
105
106public:
107 // constructors
108 TGeoTrap();
109 TGeoTrap(Double_t dz, Double_t theta, Double_t phi);
111 Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2,
112 Double_t tl2, Double_t alpha2);
113 TGeoTrap(const char *name, Double_t dz, Double_t theta, Double_t phi, Double_t h1,
114 Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2,
115 Double_t tl2, Double_t alpha2);
116 // destructor
117 virtual ~TGeoTrap();
118 virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
119 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
120 virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
121 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
122 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
123 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
124 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
125 Double_t start, Double_t step);
126 Double_t GetTheta() const {return fTheta;}
127 Double_t GetPhi() const {return fPhi;}
128 Double_t GetH1() const {return fH1;}
129 Double_t GetBl1() const {return fBl1;}
130 Double_t GetTl1() const {return fTl1;}
131 Double_t GetAlpha1() const {return fAlpha1;}
132 Double_t GetH2() const {return fH2;}
133 Double_t GetBl2() const {return fBl2;}
134 Double_t GetTl2() const {return fTl2;}
135 Double_t GetAlpha2() const {return fAlpha2;}
136 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
137 virtual void SetDimensions(Double_t *param);
138 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
139 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
140 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
141
142 ClassDef(TGeoTrap, 1) // G3 TRAP shape
143};
144
145class TGeoGtra : public TGeoTrap
146{
147protected:
148 // data members
149 Double_t fTwistAngle; // twist angle in degrees
150public:
151 // constructors
152 TGeoGtra();
153 TGeoGtra(Double_t dz, Double_t theta, Double_t phi, Double_t twist, Double_t h1,
154 Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2,
155 Double_t tl2, Double_t alpha2);
156 TGeoGtra(const char *name, Double_t dz, Double_t theta, Double_t phi, Double_t twist, Double_t h1,
157 Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2,
158 Double_t tl2, Double_t alpha2);
159 // destructor
160 virtual ~TGeoGtra();
161 virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
162 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
163 virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
164 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
165 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
166 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
167 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
169 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
170 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
171 virtual void SetDimensions(Double_t *param);
172 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
173
174 ClassDef(TGeoGtra, 1) // G3 GTRA shape
175};
176
177#endif
int Int_t
Definition: RtypesCore.h:45
const Bool_t kFALSE
Definition: RtypesCore.h:101
bool Bool_t
Definition: RtypesCore.h:63
double Double_t
Definition: RtypesCore.h:59
float Float_t
Definition: RtypesCore.h:57
const Bool_t kTRUE
Definition: RtypesCore.h:100
const char Option_t
Definition: RtypesCore.h:66
#define ClassDef(name, id)
Definition: Rtypes.h:325
#define BIT(n)
Definition: Rtypes.h:85
char name[80]
Definition: TGX11.cxx:110
point * points
Definition: X3DBuffer.c:22
An arbitrary trapezoid with less than 8 vertices standing on two parallel planes perpendicular to Z a...
Definition: TGeoArb8.h:18
virtual void SetVertex(Int_t vnum, Double_t x, Double_t y)
Set values for a given vertex.
Definition: TGeoArb8.cxx:1222
virtual Bool_t IsCylType() const
Definition: TGeoArb8.h:71
virtual Bool_t GetPointsOnFacet(Int_t, Int_t, Double_t *) const
Fills array with n random points located on the surface of indexed facet.
Definition: TGeoArb8.cxx:932
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide this shape along one axis.
Definition: TGeoArb8.cxx:801
Double_t GetDz() const
Definition: TGeoArb8.h:65
Double_t GetClosestEdge(const Double_t *point, Double_t *vert, Int_t &isegment) const
Get index of the edge of the quadrilater represented by vert closest to point.
Definition: TGeoArb8.cxx:371
virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const
Get shape range on a given axis.
Definition: TGeoArb8.cxx:811
Double_t fXY[8][2]
[4] tangents of twist angles
Definition: TGeoArb8.h:29
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: TGeoArb8.cxx:1280
virtual Int_t GetByteCount() const
Definition: TGeoArb8.h:62
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const
Computes the closest distance from given point to this shape.
Definition: TGeoArb8.cxx:1023
void CopyTwist(Double_t *twist=nullptr)
Copy twist values from source array.
Definition: TGeoArb8.cxx:214
virtual ~TGeoArb8()
Destructor.
Definition: TGeoArb8.cxx:206
void SetDz(Double_t dz)
Definition: TGeoArb8.h:83
static void GetPlaneNormal(Double_t *p1, Double_t *p2, Double_t *p3, Double_t *norm)
Computes normal to plane defined by P1, P2 and P3.
Definition: TGeoArb8.cxx:904
virtual Bool_t Contains(const Double_t *point) const
Test if point is inside this shape.
Definition: TGeoArb8.cxx:503
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoArb8.cxx:1140
virtual void SetPoints(Double_t *points) const
Creates arb8 mesh points.
Definition: TGeoArb8.cxx:1198
TGeoArb8(const TGeoArb8 &)=delete
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
Computes distance from outside point to surface of the shape.
Definition: TGeoArb8.cxx:647
void ComputeTwist()
Computes tangents of twist angles (angles between projections on XY plane of corresponding -dz +dz ed...
Definition: TGeoArb8.cxx:271
virtual void Sizeof3D() const
Fill size of this 3-D object.
Definition: TGeoArb8.cxx:1239
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 shape.
Definition: TGeoArb8.cxx:675
Double_t DistToPlane(const Double_t *point, const Double_t *dir, Int_t ipl, Bool_t in) const
Computes distance to plane ipl :
Definition: TGeoArb8.cxx:527
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: TGeoArb8.cxx:1272
static Bool_t InsidePolygon(Double_t x, Double_t y, Double_t *pts)
Finds if a point in XY plane is inside the polygon defines by PTS.
Definition: TGeoArb8.cxx:988
virtual void ComputeBBox()
Computes bounding box for an Arb8 shape.
Definition: TGeoArb8.cxx:245
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: TGeoArb8.cxx:1298
Double_t fDz
Definition: TGeoArb8.h:27
TGeoArb8 & operator=(const TGeoArb8 &)=delete
EGeoArb8Type
Definition: TGeoArb8.h:20
@ kArb8Trap
Definition: TGeoArb8.h:23
@ kArb8Tra
Definition: TGeoArb8.h:24
Double_t * fTwist
Definition: TGeoArb8.h:28
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoArb8.cxx:228
Double_t SafetyToFace(const Double_t *point, Int_t iseg, Bool_t in) const
Estimate safety to lateral plane defined by segment iseg in range [0,3] Might be negative: plane seen...
Definition: TGeoArb8.cxx:1101
Bool_t IsTwisted() const
Definition: TGeoArb8.h:75
Double_t * GetVertices()
Definition: TGeoArb8.h:69
TGeoArb8()
Default constructor.
Definition: TGeoArb8.cxx:145
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoArb8.cxx:438
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoArb8.cxx:829
Double_t GetTwist(Int_t iseg) const
Get twist for segment I in range [0,3].
Definition: TGeoArb8.cxx:361
static Bool_t IsSamePoint(const Double_t *p1, const Double_t *p2)
Definition: TGeoArb8.h:72
virtual void SetDimensions(Double_t *param)
Set all arb8 params in one step.
Definition: TGeoArb8.cxx:1184
void SetPlaneVertices(Double_t zpl, Double_t *vertices) const
Computes intersection points between plane at zpl and non-horizontal edges.
Definition: TGeoArb8.cxx:1168
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: TGeoArb8.h:67
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: TGeoArb8.cxx:1262
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: TGeoArb8.cxx:1288
virtual void InspectShape() const
Prints shape parameters.
Definition: TGeoArb8.cxx:1008
virtual Int_t GetFittingBox(const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const
Fills real parameters of a positioned box inside this arb8. Returns 0 if successful.
Definition: TGeoArb8.cxx:848
Box class.
Definition: TGeoBBox.h:18
Gtra is a twisted trapezoid.
Definition: TGeoArb8.h:146
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: TGeoArb8.cxx:2094
virtual ~TGeoGtra()
Destructor.
Definition: TGeoArb8.cxx:1917
Double_t fTwistAngle
Definition: TGeoArb8.h:149
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const
In case shape has some negative parameters, these has to be computed in order to fit the mother.
Definition: TGeoArb8.cxx:1955
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 inside point to surface of the shape.
Definition: TGeoArb8.cxx:1939
TGeoGtra()
Default ctor.
Definition: TGeoArb8.cxx:1830
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const
Computes the closest distance from given point to this shape.
Definition: TGeoArb8.cxx:1995
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: TGeoArb8.cxx:2076
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoArb8.cxx:2003
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 shape.
Definition: TGeoArb8.cxx:1924
Double_t GetTwistAngle() const
Definition: TGeoArb8.h:168
virtual void SetDimensions(Double_t *param)
Set all arb8 params in one step.
Definition: TGeoArb8.cxx:2038
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: TGeoArb8.cxx:2084
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
TRAP is a general trapezoid, i.e.
Definition: TGeoArb8.h:92
Double_t fTl2
Definition: TGeoArb8.h:103
Double_t GetTl1() const
Definition: TGeoArb8.h:130
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: TGeoArb8.cxx:1810
Double_t GetPhi() const
Definition: TGeoArb8.h:127
Double_t fBl2
Definition: TGeoArb8.h:102
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide this trapezoid shape belonging to volume "voldiv" into ndiv volumes called divname,...
Definition: TGeoArb8.cxx:1589
Double_t fAlpha2
Definition: TGeoArb8.h:104
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoArb8.cxx:1733
Double_t fBl1
Definition: TGeoArb8.h:98
Double_t fH1
Definition: TGeoArb8.h:97
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const
In case shape has some negative parameters, these have to be computed in order to fit the mother.
Definition: TGeoArb8.cxx:1637
Double_t fPhi
Definition: TGeoArb8.h:96
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: TGeoArb8.cxx:1820
Double_t GetAlpha2() const
Definition: TGeoArb8.h:135
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 trapezoid.
Definition: TGeoArb8.cxx:1421
Double_t GetTheta() const
Definition: TGeoArb8.h:126
virtual void SetDimensions(Double_t *param)
Set all arb8 params in one step.
Definition: TGeoArb8.cxx:1766
TGeoTrap()
Default ctor.
Definition: TGeoArb8.cxx:1308
Double_t fTl1
Definition: TGeoArb8.h:99
virtual ~TGeoTrap()
Destructor.
Definition: TGeoArb8.cxx:1414
Double_t fH2
Definition: TGeoArb8.h:101
Double_t GetAlpha1() const
Definition: TGeoArb8.h:131
Double_t GetBl2() const
Definition: TGeoArb8.h:133
Double_t GetTl2() const
Definition: TGeoArb8.h:134
Double_t GetH1() const
Definition: TGeoArb8.h:128
Double_t fTheta
Definition: TGeoArb8.h:95
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const
Computes the closest distance from given point to this shape.
Definition: TGeoArb8.cxx:1672
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: TGeoArb8.cxx:1802
Double_t fAlpha1
Definition: TGeoArb8.h:100
Double_t GetH2() const
Definition: TGeoArb8.h:132
Double_t GetBl1() const
Definition: TGeoArb8.h:129
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 trapezoid.
Definition: TGeoArb8.cxx:1474
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17
TH1F * h1
Definition: legend1.C:5
Short_t Abs(Short_t d)
Definition: TMathBase.h:120