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TGeoParaboloid.h
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1 // @(#)root/geom:$Id$
2 // Author: Mihaela Gheata 20/06/04
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_TGeoParaboloid
13 #define ROOT_TGeoParaboloid
14 
15 #include "TGeoBBox.h"
16 
17 class TGeoParaboloid : public TGeoBBox
18 {
19 private:
20  Double_t fRlo; // radius at z=-dz
21  Double_t fRhi; // radius at z=+dz
22  Double_t fDz; // range on Z axis [-dz, dz]
23  Double_t fA; // quadratic coeff.
24  Double_t fB; // Z value of parabola at x=y=0
25 public:
26  // constructors
29  TGeoParaboloid(const char *name, Double_t rlo, Double_t rhi, Double_t dz);
30  TGeoParaboloid(Double_t *params);
31  // destructor
32  virtual ~TGeoParaboloid();
33  // methods
34  virtual Double_t Capacity() const;
35  virtual void ComputeBBox();
36  virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
37  virtual void ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
38  virtual Bool_t Contains(const Double_t *point) const;
39  virtual void Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
40  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
41  Double_t DistToParaboloid(const Double_t *point, const Double_t *dir, Bool_t in) const;
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 const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
51  Double_t GetRlo() const {return fRlo;}
52  Double_t GetRhi() const {return fRhi;}
53  Double_t GetDz() const {return fDz;}
54 
55  virtual void GetBoundingCylinder(Double_t *param) const;
56  virtual TGeoShape *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
57  virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
58  virtual Int_t GetNmeshVertices() const;
59  virtual Bool_t GetPointsOnSegments(Int_t /*npoints*/, Double_t * /*array*/) const {return kFALSE;}
60  virtual void InspectShape() const;
61  virtual Bool_t IsCylType() const {return kTRUE;}
62  virtual TBuffer3D *MakeBuffer3D() const;
63  virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const;
64  virtual void Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
65  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
67  virtual void SetDimensions(Double_t *param);
68  virtual void SetPoints(Double_t *points) const;
69  virtual void SetPoints(Float_t *points) const;
70  virtual void SetSegsAndPols(TBuffer3D &buff) const;
71  virtual void Sizeof3D() const;
72 
73  ClassDef(TGeoParaboloid, 1) // paraboloid class
74 
75 };
76 
77 
78 #endif
TGeoParaboloid()
Dummy constructor.
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:17
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 SetPoints(Double_t *points) const
Create paraboloid mesh points.
float Float_t
Definition: RtypesCore.h:53
virtual TBuffer3D * MakeBuffer3D() const
Creates a TBuffer3D describing this shape.
const char Option_t
Definition: RtypesCore.h:62
Geometrical transformation package.
Definition: TGeoMatrix.h:40
virtual void Sizeof3D() const
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition: TGeoVolume.h:42
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
virtual Bool_t IsCylType() const
Paraboloid class.
virtual void InspectShape() const
print shape parameters
virtual Double_t Safety(const Double_t *point, Bool_t in=kTRUE) const
Computes the closest distance from given point to this shape.
virtual ~TGeoParaboloid()
destructor
virtual TGeoVolume * Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
Divide the paraboloid along one axis.
virtual void ComputeBBox()
compute bounding box of the tube
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 paraboloid and safe distance ...
#define ClassDef(name, id)
Definition: Rtypes.h:326
Double_t DistToParaboloid(const Double_t *point, const Double_t *dir, Bool_t in) const
Compute distance from a point to the parabola given by: z = a*rsq + b; rsq = x*x+y*y ...
virtual void GetBoundingCylinder(Double_t *param) const
Fill vector param[4] with the bounding cylinder parameters.
virtual void SetDimensions(Double_t *param)
Set paraboloid dimensions starting from an array.
point * points
Definition: X3DBuffer.c:22
virtual void GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const
Returns numbers of vertices, segments and polygons composing the shape mesh.
Base abstract class for all shapes.
Definition: TGeoShape.h:25
virtual Bool_t Contains(const Double_t *point) const
test if point is inside the elliptical tube
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 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 Capacity() const
Computes capacity of the shape in [length^3].
Double_t GetRhi() const
Generic 3D primitive description class.
Definition: TBuffer3D.h:17
virtual const TBuffer3D & GetBuffer3D(Int_t reqSections, Bool_t localFrame) const
Fills a static 3D buffer and returns a reference.
void SetParaboloidDimensions(Double_t rlo, Double_t rhi, Double_t dz)
Set paraboloid dimensions.
Double_t GetDz() const
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
const Bool_t kFALSE
Definition: RtypesCore.h:88
Double_t GetRlo() const
double Double_t
Definition: RtypesCore.h:55
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 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...
static Double_t Big()
Definition: TGeoShape.h:88
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 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 paraboloid
virtual Int_t GetNmeshVertices() const
Returns number of vertices on the paraboloid mesh.
virtual void ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm)
Compute normal to closest surface from POINT.
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
compute closest distance from point px,py to each vertex
const Bool_t kTRUE
Definition: RtypesCore.h:87
char name[80]
Definition: TGX11.cxx:109
virtual void SetSegsAndPols(TBuffer3D &buff) const
Fill TBuffer3D structure for segments and polygons.