ROOT   6.14/05 Reference Guide
TGeoCompositeShape.h
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1 // @(#)root/geom:$Id$
2 // Author: Andrei Gheata 31/01/02
3
4 /*************************************************************************
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
25 class TGeoBoolNode;
26
28 {
29 private :
30 // data members
31  TGeoBoolNode *fNode; // top boolean node
32
33 protected:
35  : TGeoBBox(gcs), fNode(gcs.fNode) { }
37  {if(this!=&gcs) {TGeoBBox::operator=(gcs); fNode=gcs.fNode;} return *this;}
38
39 public:
40  // constructors
42  TGeoCompositeShape(const char *name, const char *expression);
43  TGeoCompositeShape(const char *expression);
44  TGeoCompositeShape(const char *name, TGeoBoolNode *node);
45  // destructor
46  virtual ~TGeoCompositeShape();
47  // methods
48  virtual Double_t Capacity() const;
51  virtual void ComputeBBox();
52  virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
53  virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
54  virtual Bool_t Contains(const Double_t *point) const;
55  virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
56  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
57  virtual Double_t DistFromInside(const Double_t *point, const Double_t *dir, Int_t iact=1,
58  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
59  virtual void DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
60  virtual Double_t DistFromOutside(const Double_t *point, const Double_t *dir, Int_t iact=1,
61  Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
62  virtual void DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
63  virtual TGeoVolume *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
64  Double_t start, Double_t step);
65  TGeoBoolNode *GetBoolNode() const {return fNode;}
66  virtual void GetBoundingCylinder(Double_t * /*param*/) const {;}
67  virtual TGeoShape *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
68  virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
69  virtual Int_t GetNmeshVertices() const;
70  virtual Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const {return kFALSE;}
71  virtual void InspectShape() const;
72  virtual Bool_t IsComposite() const {return kTRUE;}
73  virtual Bool_t IsCylType() const {return kFALSE;}
74  void MakeNode(const char *expression);
75  virtual Bool_t PaintComposite(Option_t *option = "") const;
76  void RegisterYourself();
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  virtual void SetDimensions(Double_t * /*param*/) {;}
81  virtual void SetPoints(Double_t *points) const;
82  virtual void SetPoints(Float_t *points) const;
83  virtual void Sizeof3D() const;
84
85  ClassDef(TGeoCompositeShape, 1) // boolean composite shape
86 };
87
88
89
90 #endif
91
virtual void Sizeof3D() const
compute size of this 3D object
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 void GetBoundingCylinder(Double_t *) const
Fill vector param[4] with the bounding cylinder parameters.
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...
Box class.
Definition: TGeoBBox.h:17
void MakeNode(const char *expression)
Make a boolean node according to the top level boolean operation of expression.
virtual Bool_t GetPointsOnSegments(Int_t, Double_t *) const
Fills array with n random points located on the line segments of the shape mesh.
float Float_t
Definition: RtypesCore.h:53
TGeoCompositeShape(const TGeoCompositeShape &gcs)
const char Option_t
Definition: RtypesCore.h:62
Geometrical transformation package.
Definition: TGeoMatrix.h:40
virtual Bool_t IsCylType() const
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:48
void RegisterYourself()
Register the shape and all components to TGeoManager class.
virtual Int_t GetNmeshVertices() const
Return number of vertices of the mesh representation.
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
virtual void SetDimensions(Double_t *)
Set dimensions based on the array of parameters param[0] - half-length in x param[1] - half-length in...
#define ClassDef(name, id)
Definition: Rtypes.h:320
virtual Double_t Capacity() const
Computes capacity of this shape [length^3] by sampling with 1% error.
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 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.
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.
point * points
Definition: X3DBuffer.c:20
Class handling Boolean composition of shapes.
TNamed & operator=(const TNamed &rhs)
TNamed assignment operator.
Definition: TNamed.cxx:51
Base abstract class for all shapes.
Definition: TGeoShape.h:25
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...
TGeoBoolNode * fNode
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...
const Bool_t kFALSE
Definition: RtypesCore.h:88
Needed just for cleanup.
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Computes normal vector in POINT to the composite shape.
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute closest distance from point px,py to each corner.
double Double_t
Definition: RtypesCore.h:55
TGeoCompositeShape()
Default constructor.
virtual void SetPoints(Double_t *points) const
create points for a composite shape
static Double_t Big()
Definition: TGeoShape.h:88
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 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 Safety(const Double_t *point, Bool_t in=kTRUE) const
computes the closest distance from given point to this shape, according to option.
virtual TGeoShape * GetMakeRuntimeShape(TGeoShape *, TGeoMatrix *) const
In case shape has some negative parameters, these has to be computed in order to fit the mother...
Base class for Boolean operations between two shapes.
Definition: TGeoBoolNode.h:24
virtual void InspectShape() const
print shape parameters
TGeoCompositeShape & operator=(const TGeoCompositeShape &gcs)
virtual void ComputeBBox()
compute bounding box of the sphere
virtual Bool_t Contains(const Double_t *point) const
Tests if point is inside the shape.