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TEveGeoPolyShape.h
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TEveGeoPolyShape.h
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// @(#)root/eve:$Id$
// Author: Matevz Tadel 2007
/*************************************************************************
* Copyright (C) 1995-2007, 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_TEveGeoPolyShape
#define ROOT_TEveGeoPolyShape
#include "TGeoBBox.h"
class TBuffer3D;
class TGLFaceSet;
class TGeoCompositeShape;
class TEveGeoPolyShape : public TGeoBBox
{
friend class TEveGeoPolyShapeGL;
private:
TEveGeoPolyShape(const TEveGeoPolyShape&); // Not implemented
TEveGeoPolyShape& operator=(const TEveGeoPolyShape&); // Not implemented
protected:
std::vector<Double_t> fVertices;
std::vector<Int_t> fPolyDesc;
UInt_t fNbPols;
virtual void FillBuffer3D(TBuffer3D& buffer, Int_t reqSections, Bool_t localFrame) const;
struct Edge_t
{
Int_t fI, fJ;
Edge_t(Int_t i, Int_t j)
{
if (i <= j) { fI = i; fJ = j; }
else { fI = j; fJ = i; }
}
bool operator<(const Edge_t& e) const
{
if (fI == e.fI)
return fJ < e.fJ;
else
return fI < e.fI;
}
};
public:
TEveGeoPolyShape();
virtual ~TEveGeoPolyShape() {}
static TEveGeoPolyShape* Construct(TGeoCompositeShape *cshp, Int_t n_seg);
void SetFromFaceSet(TGLFaceSet* fs);
virtual const TBuffer3D& GetBuffer3D(Int_t reqSections, Bool_t localFrame) const;
virtual TBuffer3D* MakeBuffer3D() const;
ClassDef(TEveGeoPolyShape, 1); // A shape with arbitrary tesselation for visualization of CSG shapes.
};
#endif