TGeoEltu

class description - source file - inheritance tree

class TGeoEltu : public TGeoTube


    public:

                 TGeoEltu TGeoEltu()
                 TGeoEltu TGeoEltu(Double_t a, Double_t b, Double_t dz)
                 TGeoEltu TGeoEltu(const char* name, Double_t a, Double_t b, Double_t dz)
                 TGeoEltu TGeoEltu(Double_t* params)
                 TGeoEltu TGeoEltu(const TGeoEltu&)
             virtual void ~TGeoEltu()
           static TClass* Class()
             virtual void ComputeBBox()
           virtual Bool_t Contains(Double_t* point) const
            virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
         virtual Double_t DistToIn(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = 0, Double_t* safe = 0) const
         virtual Double_t DistToOut(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = 0, Double_t* safe = 0) const
         virtual Double_t DistToSurf(Double_t* point, Double_t* dir) const
      virtual TGeoVolume* Divide(TGeoVolume* voldiv, const char* divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)
         virtual Double_t GetA() const
         virtual Double_t GetB() const
             virtual void GetBoundingCylinder(Double_t* param) const
       virtual TGeoShape* GetMakeRuntimeShape(TGeoShape* mother, TGeoMatrix* mat) const
             virtual void InspectShape() const
          virtual TClass* IsA() const
           virtual Bool_t IsCylType() const
             virtual void NextCrossing(TGeoParamCurve* c, Double_t* point) const
         virtual Double_t Safety(Double_t* point, Bool_t in = kTRUE) const
             virtual void SetDimensions(Double_t* param)
                     void SetEltuDimensions(Double_t a, Double_t b, Double_t dz)
             virtual void SetPoints(Double_t* buff) const
             virtual void SetPoints(Float_t* buff) const
             virtual void ShowMembers(TMemberInspector& insp, char* parent)
             virtual void Streamer(TBuffer& b)
                     void StreamerNVirtual(TBuffer& b)

Data Members






Class Description



 TGeoEltu()



 Dummy constructor


 TGeoEltu(Double_t a, Double_t b, Double_t dz)
           :TGeoTube(a, b, dz)



 Default constructor specifying X and Y semiaxis length


 TGeoEltu(const char *name, Double_t a, Double_t b, Double_t dz)
           :TGeoTube(name, a, b, dz)



 Default constructor specifying X and Y semiaxis length


 TGeoEltu(Double_t *param)



 Default constructor specifying minimum and maximum radius
 param[0] =  A
 param[1] =  B
 param[2] = dz


 ~TGeoEltu()



 destructor


void ComputeBBox()



 compute bounding box of the tube


Bool_t Contains(Double_t *point) const



 test if point is inside the elliptical tube


Int_t DistancetoPrimitive(Int_t px, Int_t py)



 compute closest distance from point px,py to each vertex


Double_t DistToOut(Double_t *point, Double_t *dir, Int_t iact, Double_t step, Double_t *safe) const



 compute distance from inside point to surface of the tube


Double_t DistToIn(Double_t *point, Double_t *dir, Int_t iact, Double_t step, Double_t *safe) const



 compute distance from outside point to surface of the tube and safe distance


Double_t DistToSurf(Double_t * /*point*/, Double_t * /*dir*/) const



 computes the distance to next surface of the sphere along a ray
 starting from given point to the given direction.


TGeoVolume* Divide(TGeoVolume * /*voldiv*/, const char * /*divname*/, Int_t /*iaxis*/, Int_t /*ndiv*/, 
                             Double_t /*start*/, Double_t /*step*/) 




void GetBoundingCylinder(Double_t *param) const



--- Fill vector param[4] with the bounding cylinder parameters. The order
 is the following : Rmin, Rmax, Phi1, Phi2


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


void InspectShape() const



 print shape parameters


void NextCrossing(TGeoParamCurve * /*c*/, Double_t * /*point*/) const



 computes next intersection point of curve c with this shape


Double_t Safety(Double_t * /*point*/, Bool_t /*in*/) const



 computes the closest distance from given point to this shape, according
 to option. The matching point on the shape is stored in spoint.


void SetEltuDimensions(Double_t a, Double_t b, Double_t dz)




void SetDimensions(Double_t *param)




void SetPoints(Double_t *buff) const



 create tube mesh points


void SetPoints(Float_t *buff) const



 create tube mesh points






Inline Functions




           Double_t GetA() const
           Double_t GetB() const
             Bool_t IsCylType() const
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
               void StreamerNVirtual(TBuffer& b)
           TGeoEltu TGeoEltu(const TGeoEltu&)







Author: Mihaela Gheata 05/06/02

Last update: root/geom:$Name:  $:$Id: TGeoEltu.cxx,v 1.9 2003/03/14 11:49:02 brun Exp $

Copyright  (C) 1995-2000, Rene Brun and Fons Rademakers.               *









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