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Reference Guide
TGeoHalfSpace.h
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1 // @(#) :$Id$
2 // Author: Mihaela Gheata 03/08/04
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_TGeoHalfSpace
13 #define ROOT_TGeoHalfSpace
14 
15 #ifndef ROOT_TGeoBBox
16 #include "TGeoBBox.h"
17 #endif
18 
19 class TGeoHalfSpace : public TGeoBBox
20 {
21 private:
24 public:
25  // constructors
26  TGeoHalfSpace();
27  TGeoHalfSpace(const char *name, Double_t *p, Double_t *n);
28  TGeoHalfSpace(Double_t *params);
29  // destructor
30  virtual ~TGeoHalfSpace();
31  // methods
32  virtual Double_t Capacity() const {return 0.;}
33  virtual void ComputeBBox() {;}
34  virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
35  virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
36  virtual Bool_t Contains(const Double_t *point) const;
37  virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
38  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
39  virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
40  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
41  virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
42  virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
43  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
44  virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
45  virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
46  Double_t start, Double_t step);
47  virtual Double_t *GetPoint() {return fP;}
48  virtual Double_t *GetNorm() {return fN;}
49  virtual void GetBoundingCylinder(Double_t * /*param*/) const {;}
50  virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
51  virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
52  virtual Int_t GetNmeshVertices() const {return 0;}
53  virtual void InspectShape() const;
54  virtual Bool_t IsCylType() const {return kFALSE;}
55  virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
56  virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
57  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
58  virtual void SetDimensions(Double_t *param);
59  virtual void SetPoints(Double_t * /*points*/) const {;}
60  virtual void SetPoints(Float_t * /*points*/) const {;}
61  virtual void Sizeof3D() const {;}
62 
63  ClassDef(TGeoHalfSpace, 1) // half-space class
64 };
65 
66 
67 #endif
virtual Double_t Capacity() const
Computes capacity of the shape in [length^3].
Definition: TGeoHalfSpace.h:32
Double_t fN[3]
Definition: TGeoHalfSpace.h:23
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...
virtual Double_t * GetNorm()
Definition: TGeoHalfSpace.h:48
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.
Box class.
Definition: TGeoBBox.h:19
float Float_t
Definition: RtypesCore.h:53
const char Option_t
Definition: RtypesCore.h:62
Geometrical transformation package.
Definition: TGeoMatrix.h:40
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:61
virtual void InspectShape() const
print shape parameters
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
const Bool_t kFALSE
Definition: Rtypes.h:92
virtual Double_t * GetPoint()
Definition: TGeoHalfSpace.h:47
TGeoHalfSpace()
Dummy constructor.
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
#define ClassDef(name, id)
Definition: Rtypes.h:254
virtual void SetPoints(Float_t *) const
Fill box points.
Definition: TGeoHalfSpace.h:60
virtual Bool_t IsCylType() const
Definition: TGeoHalfSpace.h:54
virtual void Sizeof3D() const
Definition: TGeoHalfSpace.h:61
virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const
Returns numbers of vertices, segments and polygons composing the shape mesh.
virtual void SetPoints(Double_t *) const
Fill box points.
Definition: TGeoHalfSpace.h:59
point * points
Definition: X3DBuffer.c:20
Base abstract class for all shapes.
Definition: TGeoShape.h:27
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.
virtual Int_t GetNmeshVertices() const
Definition: TGeoHalfSpace.h:52
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...
virtual void SetDimensions(Double_t *param)
Set half-space parameters as stored in an array.
A half-space defined by:
Definition: TGeoHalfSpace.h:19
double Double_t
Definition: RtypesCore.h:55
virtual ~TGeoHalfSpace()
destructor
virtual void GetBoundingCylinder(Double_t *) const
Fill vector param[4] with the bounding cylinder parameters.
Definition: TGeoHalfSpace.h:49
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide the shape along one axis.
static Double_t Big()
Definition: TGeoShape.h:90
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 the plane
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.
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
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: TGeoHalfSpace.h:50
virtual Bool_t Contains(const Double_t *point) const
test if point is inside the half-space
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
A half-space does not have a mesh primitive.
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...
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 the plane
const Bool_t kTRUE
Definition: Rtypes.h:91
double norm(double *x, double *p)
Definition: unuranDistr.cxx:40
const Int_t n
Definition: legend1.C:16
Double_t fP[3]
Definition: TGeoHalfSpace.h:22
char name[80]
Definition: TGX11.cxx:109
virtual void ComputeBBox()
Compute bounding box - nothing to do in this case.
Definition: TGeoHalfSpace.h:33