IsoContours.h

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// Copyright (C) Geom Software e.U, Bernhard Kornberger, Graz/Austria
//
// This file is part of the Fade2D library. The student license is free
// of charge and covers personal non-commercial research. Licensees
// holding a commercial license may use this file in accordance with
// the Commercial License Agreement.
//
// This software is provided AS IS with NO WARRANTY OF ANY KIND,
// INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE.
//
// Please contact the author if any conditions of this licensing are
// not clear to you.
//
// Author: Bernhard Kornberger, bkorn (at) geom.at
// http://www.geom.at
 
#pragma once
#if GEOM_PSEUDO3D==GEOM_TRUE
 
#include "Segment2.h"
#include <map>
 
#include "common.h"
#if GEOM_PSEUDO3D==GEOM_TRUE
    namespace GEOM_FADE25D {
#elif GEOM_PSEUDO3D==GEOM_FALSE
    namespace GEOM_FADE2D {
#else
    #error GEOM_PSEUDO3D is not defined
#endif
 
 
struct TriNode; // FWD
class Triangle2; // FWD
class GeomTest; // FWD
class Segment2; // FWD
class Func_Rot3D; // FWD
 
typedef std::multimap<Point2,Segment2*> MMPS;
typedef MMPS::iterator MMPSIt;
 
class IsoContours
{
 
public:
 
    CLASS_DECLSPEC
    explicit IsoContours(std::vector<Triangle2*>& vTriangles);
 
    CLASS_DECLSPEC
    IsoContours(std::vector<Point2>& vCorners,const Vector2& dirVec);
 
    CLASS_DECLSPEC
    ~IsoContours();
    CLASS_DECLSPEC
    double getMinHeight();
    CLASS_DECLSPEC
    double getMaxHeight();
    CLASS_DECLSPEC
    bool getContours(double height,std::vector<std::vector<Segment2> >& vvContours,bool bVerbose,bool bAutoPerturbate=true);
 
    CLASS_DECLSPEC
    void getProfile(const Point2& p,std::vector<Segment2>& vSegmentsOut);
protected:
    IsoContours(const IsoContours& other);
    IsoContours& operator=(const IsoContours& other);
 
    void init();
    CLASS_DECLSPEC
    bool getIntersectionSegments(double height,std::vector<Segment2*>& vIntersectionSegments);
    void createContours(MMPS& mmPS,std::vector<std::vector<Segment2> >& vvContours);
    void getIntersection(Triangle2* pT,double height,int i,std::vector<Point2>& vIntersectionPoints);
    TriNode* pTree;
    std::vector<Triangle2*> vTriangles;
    GeomTest* pGeomPredicates;
    std::set<double> sForbiddenHeights;
    Func_Rot3D* pFRot;
    std::vector<Point2*> vVtx; // Rotation version
 
private:
 
};
 
 
} // NAMESPACE FADE2D
 
 
#endif