TGeoHalfSpace.h

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// @(#) :$Id$
// Author: Mihaela Gheata   03/08/04

/*************************************************************************
 * 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_TGeoHalfSpace
#define ROOT_TGeoHalfSpace

#include "TGeoBBox.h"

class TGeoHalfSpace : public TGeoBBox
{
private:
   Double_t              fP[3];
   Double_t              fN[3];
public:
   // constructors
   TGeoHalfSpace();
   TGeoHalfSpace(const char *name, Double_t *p, Double_t *n);
   TGeoHalfSpace(Double_t *params);
   // destructor
   virtual ~TGeoHalfSpace();
   // methods
   virtual Double_t      Capacity() const {return 0.;}
   virtual void          ComputeBBox() {;}
   virtual void          ComputeNormal(const Double_t *point, const Double_t *dir, Double_t *norm);
   virtual void          ComputeNormal_v(const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize);
   virtual Bool_t        Contains(const Double_t *point) const;
   virtual void          Contains_v(const Double_t *points, Bool_t *inside, Int_t vecsize) const;
   virtual Int_t         DistancetoPrimitive(Int_t px, Int_t py);
   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;
   virtual void          DistFromInside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) 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;
   virtual void          DistFromOutside_v(const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const;
   virtual TGeoVolume   *Divide(TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv,
                                Double_t start, Double_t step);
   virtual Double_t     *GetPoint()    {return fP;}
   virtual Double_t     *GetNorm()     {return fN;}
   virtual void          GetBoundingCylinder(Double_t * /*param*/) const {;}
   virtual TGeoShape    *GetMakeRuntimeShape(TGeoShape * /*mother*/, TGeoMatrix * /*mat*/) const {return 0;}
   virtual void          GetMeshNumbers(Int_t &nvert, Int_t &nsegs, Int_t &npols) const;
   virtual Int_t         GetNmeshVertices() const {return 0;}
   virtual void          InspectShape() const;
   virtual Bool_t        IsCylType() const {return kFALSE;}
   virtual Double_t      Safety(const Double_t *point, Bool_t in=kTRUE) const;
   virtual void          Safety_v(const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const;
   virtual void          SavePrimitive(std::ostream &out, Option_t *option = "");
   virtual void          SetDimensions(Double_t *param);
   virtual void          SetPoints(Double_t * /*points*/) const {;}
   virtual void          SetPoints(Float_t * /*points*/) const {;}
   virtual void          Sizeof3D() const {;}

   ClassDef(TGeoHalfSpace, 1)         // half-space class
};


#endif