library: libGeom
#include "TGeoBoolNode.h"

TGeoUnion

class description - source file - inheritance tree (.pdf)

class TGeoUnion : public TGeoBoolNode

Inheritance Chart:
TObject
<-
TGeoBoolNode
<-
TGeoUnion
 

    public:

                                         TGeoUnion()
                                         TGeoUnion(const char* expr1, const char* expr2)
                                         TGeoUnion(TGeoShape* left, TGeoShape* right, TGeoMatrix* lmat = 0, TGeoMatrix* rmat = 0)
                                         TGeoUnion(const TGeoUnion&)
                                 virtual ~TGeoUnion()
                          static TClass* Class()
                            virtual void ComputeBBox(Double_t& dx, Double_t& dy, Double_t& dz, Double_t* origin)
                            virtual void ComputeNormal(Double_t* point, Double_t* dir, Double_t* norm)
                          virtual Bool_t Contains(Double_t* point) 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 = 0, Double_t* safe = 0) const
                        virtual Double_t DistFromOutside(Double_t* point, Double_t* dir, Int_t iact = 1, Double_t step = 0, Double_t* safe = 0) const
      virtual TGeoBoolNode::EGeoBoolType GetBooleanOperator() const
                           virtual Int_t GetNpoints() const
                         virtual TClass* IsA() const
                              TGeoUnion& operator=(const TGeoUnion&)
                            virtual void Paint(Option_t* option)
                        virtual Double_t Safety(Double_t* point, Bool_t in = kTRUE) const
                            virtual void SavePrimitive(ofstream& out, Option_t* option)
                            virtual void SetPoints(Double_t* points) const
                            virtual void SetPoints(Float_t* points) const
                            virtual void ShowMembers(TMemberInspector& insp, char* parent)
                            virtual void Sizeof3D() const
                            virtual void Streamer(TBuffer& b)
                                    void StreamerNVirtual(TBuffer& b)

Data Members






Class Description



void Paint(Option_t *option)




 TGeoUnion()



 Default constructor


 TGeoUnion(const char *expr1, const char *expr2)
          :TGeoBoolNode(expr1, expr2)



 Constructor


 TGeoUnion(TGeoShape *left, TGeoShape *right, TGeoMatrix *lmat, TGeoMatrix *rmat)
          :TGeoBoolNode(left,right,lmat,rmat)



 Constructor providing pointers to components


 ~TGeoUnion()



 Destructor
 --- deletion of components handled by TGeoManager class.


void ComputeBBox(Double_t &dx, Double_t &dy, Double_t &dz, Double_t *origin)



 Compute bounding box corresponding to a union of two shapes.


Bool_t Contains(Double_t *point) const



 Find if a union of two shapes contains a given point


void ComputeNormal(Double_t *point, Double_t *dir, Double_t *norm)




Int_t DistanceToPrimitive(Int_t /*px*/, Int_t /*py*/)



 Compute minimum distance to shape vertices


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



 Compute distance from a given point to outside.
   printf("Point is : %g, %g, %g\n", point[0], point[1], point[2]);


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



 Compute distance from a given point to inside.


Int_t GetNpoints() const



 Returns number of vertices for the composite shape described by this union.


void SetPoints(Double_t * /*points*/) const



 Fill buffer with shape vertices.


Double_t Safety(Double_t *point, Bool_t) const



 Compute safety distance for a union node;


void SavePrimitive(ofstream &out, Option_t *option)



 Save a primitive as a C++ statement(s) on output stream "out".


void SetPoints(Float_t * /*points*/) const



 Fill buffer with shape vertices.


void Sizeof3D() const



 Register 3D size of this shape.






Inline Functions




        TGeoBoolNode::EGeoBoolType GetBooleanOperator() const
                           TClass* Class()
                           TClass* IsA() const
                              void ShowMembers(TMemberInspector& insp, char* parent)
                              void Streamer(TBuffer& b)
                              void StreamerNVirtual(TBuffer& b)
                         TGeoUnion TGeoUnion(const TGeoUnion&)
                        TGeoUnion& operator=(const TGeoUnion&)







Author: Andrei Gheata 30/05/02

Last update: :$Name:  $:$Id: TGeoBoolNode.cxx,v 1.22 2005/05/25 14:25:16 brun Exp $

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









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