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Reference Guide
TGeoCompositeShape.h
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1// @(#)root/geom:$Id$
2// Author: Andrei Gheata 31/01/02
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_TGeoCompositeShape
13#define ROOT_TGeoCompositeShape
14
15#include "TGeoBBox.h"
16
17/////////////////////////////////////////////////////////////////////////////
18// //
19// TGeoCompositeShape - composite shape class. A composite shape contains //
20// a list of primitive shapes, the list of corresponding transformations //
21// and a boolean finder handling boolean operations among components. //
22// //
23/////////////////////////////////////////////////////////////////////////////
24
25class TGeoBoolNode;
26
28{
29private :
30// data members
31 TGeoBoolNode *fNode; // top boolean node
32
33protected:
36
37public:
38 // constructors
40 TGeoCompositeShape(const char *name, const char *expression);
41 TGeoCompositeShape(const char *expression);
42 TGeoCompositeShape(const char *name, TGeoBoolNode *node);
43 // destructor
44 virtual ~TGeoCompositeShape();
45 // methods
46 virtual Double_t Capacity() const;
47 virtual void ClearThreadData() const;
48 virtual void CreateThreadData(Int_t nthreads);
49 virtual void ComputeBBox();
50 virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
51 virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
52 virtual Bool_t Contains(const Double_t *point) const;
53 virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
54 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
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 TGeoBoolNode *GetBoolNode() const {return fNode;}
64 virtual void GetBoundingCylinder(Double_t * /*param*/) const {;}
65 virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
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 virtual void InspectShape() const;
70 virtual Bool_t IsComposite() const {return kTRUE;}
71 virtual Bool_t IsCylType() const {return kFALSE;}
72 void MakeNode(const char *expression);
73 virtual Bool_t PaintComposite(Option_t *option = "") const;
74 void RegisterYourself();
75 virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
76 virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
77 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
78 virtual void SetDimensions(Double_t * /*param*/) {;}
79 virtual void SetPoints(Double_t *points) const;
80 virtual void SetPoints(Float_t *points) const;
81 virtual void Sizeof3D() const;
82
83 ClassDef(TGeoCompositeShape, 1) // boolean composite shape
84};
85
86
87
88#endif
89
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
char name[80]
Definition: TGX11.cxx:110
point * points
Definition: X3DBuffer.c:22
Box class.
Definition: TGeoBBox.h:18
Base class for Boolean operations between two shapes.
Definition: TGeoBoolNode.h:26
Composite shapes are Boolean combinations of two or more shape components.
TGeoBoolNode * fNode
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *, TGeoMatrix *) const
In case shape has some negative parameters, these has to be computed in order to fit the mother.
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 void CreateThreadData(Int_t nthreads)
Needed just for cleanup.
TGeoCompositeShape()
Default constructor.
virtual void InspectShape() const
print shape parameters
virtual void SetDimensions(Double_t *)
Set dimensions based on the array of parameters param[0] - half-length in x param[1] - half-length in...
virtual Double_t Capacity() const
Computes capacity of this shape [length^3] by sampling with 1% error.
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
virtual Bool_t IsCylType() const
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
virtual void GetBoundingCylinder(Double_t *) const
Fill vector param[4] with the bounding cylinder parameters.
virtual void Sizeof3D() const
compute size of this 3D object
TGeoBoolNode * GetBoolNode() const
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 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 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 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 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 Bool_t PaintComposite(Option_t *option="") const
Paint this composite shape into the current 3D viewer Returns bool flag indicating if the caller shou...
virtual Bool_t GetPointsOnSegments(Int_t, Double_t *) const
Fills array with n random points located on the line segments of the shape mesh.
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide all range of iaxis in range/step cells.
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute closest distance from point px,py to each corner.
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Computes normal vector in POINT to the composite shape.
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 ClearThreadData() const
Needed just for cleanup.
virtual Bool_t Contains(const Double_t *point) const
Tests if point is inside the shape.
virtual ~TGeoCompositeShape()
destructor
TGeoCompositeShape(const TGeoCompositeShape &)=delete
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 outside of this composite shape.
virtual void SetPoints(Double_t *points) const
create points for a composite shape
void RegisterYourself()
Register the shape and all components to TGeoManager class.
virtual void ComputeBBox()
compute bounding box of the sphere
void MakeNode(const char *expression)
Make a boolean node according to the top level boolean operation of expression.
TGeoCompositeShape & operator=(const TGeoCompositeShape &)=delete
virtual Bool_t IsComposite() const
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 this composite shape.
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
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:49