TGeoTrd2.h

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// @(#)root/geom:$Id$
// Author: Andrei Gheata   31/01/02

/*************************************************************************
 * 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_TGeoTrd2
#define ROOT_TGeoTrd2

#ifndef ROOT_TGeoBBox
#include "TGeoBBox.h"
#endif

class TGeoTrd2 : public TGeoBBox
{
protected:
   // data members
   Double_t              fDx1; // half length in X at lower Z surface (-dz)
   Double_t              fDx2; // half length in X at higher Z surface (+dz)
   Double_t              fDy1; // half length in Y at lower Z surface (-dz)
   Double_t              fDy2; // half length in Y at higher Z surface (+dz)
   Double_t              fDz;  // half length in Z

   // methods

public:
   // constructors
   TGeoTrd2();
   TGeoTrd2(Double_t dx1, Double_t dx2, Double_t dy1, Double_t dy2, Double_t dz);
   TGeoTrd2(const char *name, Double_t dx1, Double_t dx2, Double_t dy1, Double_t dy2, Double_t dz);
   TGeoTrd2(Double_t *params);
   // destructor
   virtual ~TGeoTrd2();
   // methods

   virtual Double_t      Capacity() const;
   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 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 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      GetAxisRange(Int_t iaxis, Double_t &xlo, Double_t &xhi) const;
   virtual void          GetBoundingCylinder(Double_t *param) const;
   virtual Int_t         GetByteCount() const {return 56;}
   Double_t              GetDx1() const {return fDx1;}
   Double_t              GetDx2() const {return fDx2;}
   Double_t              GetDy1() const {return fDy1;}
   Double_t              GetDy2() const {return fDy2;}
   Double_t              GetDz() const  {return fDz;}
   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;
   void                  GetVisibleCorner(const Double_t *point, Double_t *vertex, Double_t *normals) const;
   void                  GetOppositeCorner(const Double_t *point, Int_t inorm, Double_t *vertex, Double_t *normals) const;
   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;
   void                  SetVertex(Double_t *vertex) const;
   virtual void          Sizeof3D() const;

   ClassDef(TGeoTrd2, 1)         // TRD2 shape class
};

#endif