ROOT  6.06/09
Reference Guide
TGeoTrd1.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_TGeoTrd1
13 #define ROOT_TGeoTrd1
14 
15 #ifndef ROOT_TGeoBBox
16 #include "TGeoBBox.h"
17 #endif
18 
19 
20 ////////////////////////////////////////////////////////////////////////////
21 // //
22 // TGeoTrd1 - a trapezoid with only x length varying with z. It has 4 //
23 // parameters, the half length in x at the low z surface, that at the //
24 // high z surface, the half length in y, and in z //
25 // //
26 ////////////////////////////////////////////////////////////////////////////
27 
28 class TGeoTrd1 : public TGeoBBox
29 {
30 protected:
31  // data members
32  Double_t fDx1; // half length in X at lower Z surface (-dz)
33  Double_t fDx2; // half length in X at higher Z surface (+dz)
34  Double_t fDy; // half length in Y
35  Double_t fDz; // half length in Z
36 
37  // methods
38 
39 public:
40  // constructors
41  TGeoTrd1();
42  TGeoTrd1(Double_t dx1, Double_t dx2, Double_t dy, Double_t dz);
43  TGeoTrd1(const char *name, Double_t dx1, Double_t dx2, Double_t dy, Double_t dz);
44  TGeoTrd1(Double_t *params);
45  // destructor
46  virtual ~TGeoTrd1();
47  // methods
48 
49  virtual Double_t Capacity() const;
50  virtual void ComputeBBox();
51  virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
52  virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
53  virtual Bool_t Contains(const Double_t *point) const;
54  virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
55  virtual Double_t DistFromInside(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 DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
58  virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
59  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
60  virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
61  virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
62  Double_t start, Double_t step);
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 Int_t GetByteCount() const {return 52;}
66  Double_t GetDx1() const {return fDx1;}
67  Double_t GetDx2() const {return fDx2;}
68  Double_t GetDy() const {return fDy;}
69  Double_t GetDz() const {return fDz;}
70  virtual Int_t GetFittingBox(const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const;
71  virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
72  void GetVisibleCorner(const Double_t *point, Double_t *vertex, Double_t *normals) const;
73  void GetOppositeCorner(const Double_t *point, Int_t inorm, Double_t *vertex, Double_t *normals) const;
74  virtual void InspectShape() const;
75  virtual Bool_t IsCylType() const {return kFALSE;}
76  virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
77  virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
78  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
79  virtual void SetDimensions(Double_t *param);
80  virtual void SetPoints(Double_t *points) const;
81  virtual void SetPoints(Float_t *points) const;
82  void SetVertex(Double_t *vertex) const;
83  virtual void Sizeof3D() const;
84 
85  ClassDef(TGeoTrd1, 1) // TRD1 shape class
86 };
87 
88 #endif
virtual ~TGeoTrd1()
destructor
Definition: TGeoTrd1.cxx:119
virtual void InspectShape() const
print shape parameters
Definition: TGeoTrd1.cxx:607
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 specisied by dirs. Store output in dist...
Definition: TGeoTrd1.cxx:767
float Float_t
Definition: RtypesCore.h:53
const char Option_t
Definition: RtypesCore.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, according to option.
Definition: TGeoTrd1.cxx:622
Double_t GetDy() const
Definition: TGeoTrd1.h:68
Double_t fDx2
Definition: TGeoTrd1.h:33
virtual void ComputeBBox()
compute bounding box for a trd1
Definition: TGeoTrd1.cxx:135
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: TGeoTrd1.cxx:584
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. Returns 0 if successfull.
Definition: TGeoTrd1.cxx:522
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoTrd1.cxx:126
void SetVertex(Double_t *vertex) const
set vertex of a corner according to visibility flags
Definition: TGeoTrd1.cxx:671
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
Definition: TGeoTrd1.cxx:146
virtual void Sizeof3D() const
fill size of this 3-D object
Definition: TGeoTrd1.cxx:731
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
const Bool_t kFALSE
Definition: Rtypes.h:92
Double_t fDx1
Definition: TGeoTrd1.h:32
virtual Bool_t Contains(const Double_t *point) const
test if point is inside this shape check Z range
Definition: TGeoTrd1.cxx:186
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: TGeoTrd1.cxx:777
virtual void SetPoints(Double_t *points) const
create arb8 mesh points
Definition: TGeoTrd1.cxx:699
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
Definition: TGeoTrd1.cxx:644
#define ClassDef(name, id)
Definition: Rtypes.h:254
virtual Int_t GetByteCount() const
Definition: TGeoTrd1.h:65
char * out
Definition: TBase64.cxx:29
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: TGeoTrd1.cxx:751
REAL * vertex
Definition: triangle.c:512
point * points
Definition: X3DBuffer.c:20
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 trd1 Boundary safe algorithm.
Definition: TGeoTrd1.cxx:319
Double_t fDy
Definition: TGeoTrd1.h:34
virtual void SetDimensions(Double_t *param)
set trd1 params in one step :
Definition: TGeoTrd1.cxx:659
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: TGeoTrd1.cxx:741
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 specisied by dirs. Store output in dist...
Definition: TGeoTrd1.cxx:759
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
— Divide this trd1 shape belonging to volume "voldiv" into ndiv volumes called divname, from start position with the given step.
Definition: TGeoTrd1.cxx:434
virtual Bool_t IsCylType() const
Definition: TGeoTrd1.h:75
Double_t GetDz() const
Definition: TGeoTrd1.h:69
virtual Double_t GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const
Get range of shape for a given axis.
Definition: TGeoTrd1.cxx:490
double Double_t
Definition: RtypesCore.h:55
void GetOppositeCorner(const Double_t *point, Int_t inorm, Double_t *vertex, Double_t *normals) const
get the opposite corner of the intersected face
Definition: TGeoTrd1.cxx:294
Double_t fDz
Definition: TGeoTrd1.h:35
static Double_t Big()
Definition: TGeoShape.h:98
#define name(a, b)
Definition: linkTestLib0.cpp:5
virtual void GetBoundingCylinder(Double_t *param) const
— Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoTrd1.cxx:514
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 trd1 Boundary safe algorithm.
Definition: TGeoTrd1.cxx:201
Double_t GetDx1() const
Definition: TGeoTrd1.h:66
void GetVisibleCorner(const Double_t *point, Double_t *vertex, Double_t *normals) const
get the most visible corner from outside point and the normals
Definition: TGeoTrd1.cxx:253
const Bool_t kTRUE
Definition: Rtypes.h:91
double norm(double *x, double *p)
Definition: unuranDistr.cxx:40
Double_t GetDx2() const
Definition: TGeoTrd1.h:67