ROOT logo
// @(#)root/geom:$Id: TGeoBBox.h 27731 2009-03-09 17:40:56Z brun $
// Author: Andrei Gheata   24/10/01
   
/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#ifndef ROOT_TGeoBBox
#define ROOT_TGeoBBox

#ifndef ROOT_TGeoShape
#include "TGeoShape.h"
#endif

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
// TGeoBBox - box class. All shape primitives inherit from this, their       //
//   constructor filling automatically the parameters of the box that bounds //
//   the given shape. Defined by 6 parameters :                              //
//      fDX, fDY, fDZ - half lengths on X, Y and Z axis                      //
//      fOrigin[3]    - position of box origin                               //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

class TGeoBBox : public TGeoShape
{
protected :
// data members
   Double_t              fDX;        // X half-length
   Double_t              fDY;        // Y half-length
   Double_t              fDZ;        // Z half-length
   Double_t              fOrigin[3]; // box origin
// methods
   virtual void FillBuffer3D(TBuffer3D & buffer, Int_t reqSections, Bool_t localFrame) const;
public:
   // constructors
   TGeoBBox();
   TGeoBBox(Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0);
   TGeoBBox(const char *name, Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0);
   TGeoBBox(Double_t *param);
   // destructor
   virtual ~TGeoBBox();
   // methods
   static  Bool_t        AreOverlapping(const TGeoBBox *box1, const TGeoMatrix *mat1, const TGeoBBox *box2, const TGeoMatrix *mat2);
   virtual Double_t      Capacity() const;
   virtual void          ComputeBBox();
   virtual void          ComputeNormal(Double_t *point, Double_t *dir, Double_t *norm);
   virtual Bool_t        Contains(Double_t *point) const;
   static  Bool_t        Contains(const Double_t *point, Double_t dx, Double_t dy, Double_t dz, const Double_t *origin);
   virtual Bool_t        CouldBeCrossed(Double_t *point, Double_t *dir) const;
   virtual Int_t         DistancetoPrimitive(Int_t px, Int_t py);
   virtual Double_t      DistFromInside(Double_t *point, Double_t *dir, Int_t iact=1, 
                                   Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
   static  Double_t      DistFromInside(const Double_t *point,const Double_t *dir, 
                                   Double_t dx, Double_t dy, Double_t dz, const Double_t *origin, Double_t stepmax=TGeoShape::Big());
   virtual Double_t      DistFromOutside(Double_t *point, Double_t *dir, Int_t iact=1, 
                                   Double_t step=TGeoShape::Big(), Double_t *safe=0) const;
   static  Double_t      DistFromOutside(const Double_t *point,const Double_t *dir, 
                                   Double_t dx, Double_t dy, Double_t dz, const Double_t *origin, Double_t stepmax=TGeoShape::Big());
   virtual TGeoVolume   *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, 
                                Double_t start, Double_t step);
   virtual const char   *GetAxisName(Int_t iaxis) const;
   virtual Double_t      GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const;
   virtual void          GetBoundingCylinder(Double_t *param) const;
   virtual const TBuffer3D &GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
   virtual Int_t         GetByteCount() const {return 36;}
   virtual Double_t      GetFacetArea(Int_t index=0) const;
   virtual Bool_t        GetPointsOnFacet(Int_t index, Int_t npoints, Double_t *array) const;
   virtual Bool_t        GetPointsOnSegments(Int_t npoints, Double_t *array) const;
   virtual Int_t         GetFittingBox(const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const;
   virtual TGeoShape    *GetMakeRuntimeShape(TGeoShape *mother, TGeoMatrix *mat) const;
   virtual void          GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
   virtual Int_t         GetNmeshVertices() const {return 8;}
   virtual Double_t      GetDX() const  {return fDX;}
   virtual Double_t      GetDY() const  {return fDY;}
   virtual Double_t      GetDZ() const  {return fDZ;}
   virtual const Double_t *GetOrigin() const {return fOrigin;}
   virtual void          InspectShape() const;
   virtual Bool_t        IsCylType() const {return kFALSE;}
   virtual Bool_t        IsValidBox() const {return ((fDX<0)||(fDY<0)||(fDZ<0))?kFALSE:kTRUE;}
   virtual Bool_t        IsNullBox() const {return ((fDX<1.E-16)&&(fDY<1.E-16)&&(fDZ<1.E-16))?kTRUE:kFALSE;}
   virtual TBuffer3D    *MakeBuffer3D() const;
   virtual Double_t      Safety(Double_t *point, Bool_t in=kTRUE) const;
   virtual void          SavePrimitive(ostream &out, Option_t *option = "");
   void                  SetBoxDimensions(Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0);
   virtual void          SetDimensions(Double_t *param);
   void                  SetBoxPoints(Double_t *points) const;
   virtual void          SetPoints(Double_t *points) const;
   virtual void          SetPoints(Float_t *points) const;
   virtual void          SetSegsAndPols(TBuffer3D &buffer) const;
   virtual void          Sizeof3D() const;

   ClassDef(TGeoBBox, 1)         // box primitive
};

#endif
 TGeoBBox.h:1
 TGeoBBox.h:2
 TGeoBBox.h:3
 TGeoBBox.h:4
 TGeoBBox.h:5
 TGeoBBox.h:6
 TGeoBBox.h:7
 TGeoBBox.h:8
 TGeoBBox.h:9
 TGeoBBox.h:10
 TGeoBBox.h:11
 TGeoBBox.h:12
 TGeoBBox.h:13
 TGeoBBox.h:14
 TGeoBBox.h:15
 TGeoBBox.h:16
 TGeoBBox.h:17
 TGeoBBox.h:18
 TGeoBBox.h:19
 TGeoBBox.h:20
 TGeoBBox.h:21
 TGeoBBox.h:22
 TGeoBBox.h:23
 TGeoBBox.h:24
 TGeoBBox.h:25
 TGeoBBox.h:26
 TGeoBBox.h:27
 TGeoBBox.h:28
 TGeoBBox.h:29
 TGeoBBox.h:30
 TGeoBBox.h:31
 TGeoBBox.h:32
 TGeoBBox.h:33
 TGeoBBox.h:34
 TGeoBBox.h:35
 TGeoBBox.h:36
 TGeoBBox.h:37
 TGeoBBox.h:38
 TGeoBBox.h:39
 TGeoBBox.h:40
 TGeoBBox.h:41
 TGeoBBox.h:42
 TGeoBBox.h:43
 TGeoBBox.h:44
 TGeoBBox.h:45
 TGeoBBox.h:46
 TGeoBBox.h:47
 TGeoBBox.h:48
 TGeoBBox.h:49
 TGeoBBox.h:50
 TGeoBBox.h:51
 TGeoBBox.h:52
 TGeoBBox.h:53
 TGeoBBox.h:54
 TGeoBBox.h:55
 TGeoBBox.h:56
 TGeoBBox.h:57
 TGeoBBox.h:58
 TGeoBBox.h:59
 TGeoBBox.h:60
 TGeoBBox.h:61
 TGeoBBox.h:62
 TGeoBBox.h:63
 TGeoBBox.h:64
 TGeoBBox.h:65
 TGeoBBox.h:66
 TGeoBBox.h:67
 TGeoBBox.h:68
 TGeoBBox.h:69
 TGeoBBox.h:70
 TGeoBBox.h:71
 TGeoBBox.h:72
 TGeoBBox.h:73
 TGeoBBox.h:74
 TGeoBBox.h:75
 TGeoBBox.h:76
 TGeoBBox.h:77
 TGeoBBox.h:78
 TGeoBBox.h:79
 TGeoBBox.h:80
 TGeoBBox.h:81
 TGeoBBox.h:82
 TGeoBBox.h:83
 TGeoBBox.h:84
 TGeoBBox.h:85
 TGeoBBox.h:86
 TGeoBBox.h:87
 TGeoBBox.h:88
 TGeoBBox.h:89
 TGeoBBox.h:90
 TGeoBBox.h:91
 TGeoBBox.h:92
 TGeoBBox.h:93
 TGeoBBox.h:94
 TGeoBBox.h:95
 TGeoBBox.h:96
 TGeoBBox.h:97
 TGeoBBox.h:98
 TGeoBBox.h:99
 TGeoBBox.h:100