TYPolygon.h

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/*
 * Copyright (C) <2012> <EDF-R&D> <FRANCE>
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
/*
 *
 */
 
#ifndef __TY_POLYGON__
#define __TY_POLYGON__
 
#include "Tympan/models/common/plan.h"
#include "TYRepere.h"
#include "TYSurfaceInterface.h"
 
class TYPolygon : public TYElement, public TYSurfaceInterface
{
    OPROTODECL(TYPolygon)
    TY_EXTENSION_DECL_ONLY(TYPolygon)
    TY_EXT_GRAPHIC_DECL_ONLY(TYPolygon)
 
    // Methodes
public:
    TYPolygon();
    TYPolygon(const TYPolygon& other);
    TYPolygon(const TYTabPoint& pts);
 
    virtual ~TYPolygon();
 
    TYPolygon& operator=(const TYPolygon& other);
    bool operator==(const TYPolygon& other) const;
    bool operator!=(const TYPolygon& other) const;
 
    virtual bool deepCopy(const TYElement* pOther, bool copyId = true, bool pUseCopyTag = false);
 
    virtual std::string toString() const;
 
    virtual DOM_Element toXML(DOM_Element& domElement);
    virtual int fromXML(DOM_Element domElement);
 
    virtual double surface() const;
    virtual OVector3D normal() const;
    virtual OPlan plan() const;
    virtual TYTabPoint getContour(int n = -1) const;
    virtual TYTabPoint3D getOContour(int n = -1) const;
 
    // TODO Check and tests those methods for numerical stability
    virtual int intersects(const TYSurfaceInterface* pSurf, OSegment3D& seg) const;
    virtual int intersects(const OSegment3D& seg, OPoint3D& pt) const;
    virtual int intersects(const OSegment3D& seg, OPoint3D& pt, bool insideTest) const;
 
    // TODO This method is not numerically stable !
    virtual int intersects(const OPoint3D& pt) const;
 
    void purge()
    {
        _pts.clear();
        _bConvex = false;
        updateNormal();
        updateBox();
        setIsGeometryModified(true);
    }
 
    size_t getNbPts() const
    {
        return _pts.size();
    }
 
    void setPoints(const TYTabPoint& pts);
    bool checkCoplanar() const;
    const TYTabPoint& getPoints() const
    {
        return _pts;
    }
    TYTabPoint& getPoints()
    {
        return _pts;
    }
    OPoint3D getPoint(size_t index) const
    {
        return _pts[index];
    }
    void transform(const OMatrix& matrix);
    void setConvex(bool bConvex)
    {
        _bConvex = bConvex;
    }
    bool isConvex() const
    {
        return _bConvex;
    }
    bool isInBox(const OPoint3D& pt) const
    {
        return _box.isInside(pt);
    }
 
    bool isInBox2D(const OPoint3D& pt) const
    {
        return _box.isInside2D(pt);
    }
 
    OPoint3D getCenter() const
    {
        OPoint3D p1;
        p1._x = (_box._max._x + _box._min._x) / 2;
        p1._y = (_box._max._y + _box._min._y) / 2;
        p1._z = (_box._max._z + _box._min._z) / 2;
        return p1;
    }
 
    bool isValid() const;
 
    ORepere3D getORepere3D() const;
 
    TYRectangle getBoundingRect() const;
 
    virtual const OPlan& getPlan() const
    {
        return _plan;
    }
    void updateNormal();
    void updateBox();
 
    virtual void inverseNormale();
 
    virtual const OBox& getBox() const
    {
        return _box;
    }
    void exportMesh(std::deque<OPoint3D>& points, std::deque<OTriangle>& triangles,
                    const TYGeometryNode& geonode) const;
 
    // Membres
private:
    TYTabPoint _pts; // TODO change this to TYTabPoint3D
 
    OPlan _plan;
 
    OBox _box;
 
    bool _bConvex;
 
    int isInpolyXY(const TYTabPoint& poly, int npoints, double xt, double yt) const;
    int isInpolyXZ(const TYTabPoint& poly, int npoints, double xt, double yt) const;
    int isInpolyYZ(const TYTabPoint& poly, int npoints, double xt, double yt) const;
};
 
#endif // __TY_POLYGON__