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Reference Guide
TGeoScaledShape.h
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1// @(#)root/geom:$Id$
2// Author: Andrei Gheata 26/09/05
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_TGeoScaledShape
13#define ROOT_TGeoScaledShape
14
15#include "TGeoBBox.h"
16
17class TGeoScale;
18class TGeoShape;
19
21{
22protected :
23// data members
24 TGeoShape *fShape; // pointer to an existing shape
25 TGeoScale *fScale; // pointer to a scale transformation
26// methods
27public:
28 // constructors
30 TGeoScaledShape(const char *name, TGeoShape *shape, TGeoScale *scale);
31 TGeoScaledShape(TGeoShape *shape, TGeoScale *scale);
32 // destructor
33 virtual ~TGeoScaledShape();
34 // methods
35 virtual Double_t Capacity() const;
36 virtual void ComputeBBox();
37 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
38 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
39 virtual Bool_t Contains(const Double_t *point) const;
40 virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
41 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
42 virtual Double_t DistFromInside(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 DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
45 virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
46 Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
47 virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
48 virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
49 Double_t start, Double_t step);
50 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
51 virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
52 virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
53 virtual Int_t GetNmeshVertices() const {return fShape->GetNmeshVertices();}
54 TGeoShape *GetShape() const {return fShape;}
55 TGeoScale *GetScale() const {return fScale;}
56 virtual void InspectShape() const;
57 virtual Bool_t IsAssembly() const;
58 virtual Bool_t IsCylType() const {return fShape->IsCylType();}
59 virtual Bool_t IsReflected() const;
60 virtual TBuffer3D *MakeBuffer3D() const;
61 static TGeoShape *MakeScaledShape(const char *name, TGeoShape *shape, TGeoScale *scale);
62 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
63 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
64 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
65 void SetScale(TGeoScale *scale) {fScale = scale;}
66 virtual void SetPoints(Double_t *points) const;
67 virtual void SetPoints(Float_t *points) const;
68 virtual void SetSegsAndPols(TBuffer3D &buffer) const;
69
70 ClassDef(TGeoScaledShape, 1) // a scaled shape
71};
72
73#endif
int Int_t
Definition: RtypesCore.h:45
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
char name[80]
Definition: TGX11.cxx:110
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
Class describing scale transformations.
Definition: TGeoMatrix.h:245
A shape scaled by a TGeoScale transformation.
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 Bool_t IsCylType() const
TGeoScaledShape()
Default constructor.
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 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.
TGeoShape * GetShape() const
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Cannot divide assemblies.
virtual Bool_t Contains(const Double_t *point) const
Test if point is inside the scaled shape.
TGeoShape * fShape
TGeoScale * fScale
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 ComputeBBox()
Compute bounding box of the scaled shape.
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
virtual void SetSegsAndPols(TBuffer3D &buffer) const
Fill TBuffer3D structure for segments and polygons.
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
virtual ~TGeoScaledShape()
destructor
virtual void InspectShape() const
print shape parameters
virtual Bool_t IsReflected() const
Check if the scale transformation is a reflection.
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
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 scaled shape.
virtual void SetPoints(Double_t *points) const
Mesh points for scaled shapes.
virtual Int_t GetNmeshVertices() const
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 scaled shape.
virtual Double_t Capacity() const
Computes capacity of this shape [length^3].
static TGeoShape * MakeScaledShape(const char *name, TGeoShape *shape, TGeoScale *scale)
Create a scaled shape starting from a non-scaled one.
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 Bool_t IsAssembly() const
Returns true if the scaled shape is an assembly.
void SetScale(TGeoScale *scale)
TGeoScale * GetScale() const
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.
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 Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each vertex. Should not be called.
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
Base abstract class for all shapes.
Definition: TGeoShape.h:26
static Double_t Big()
Definition: TGeoShape.h:88
virtual Int_t GetNmeshVertices() const
Definition: TGeoShape.h:127
virtual Bool_t IsCylType() const =0
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49