Files
create/src/Mod/MeshPart/App/CurveProjector.h
2011-10-10 13:44:52 +00:00

162 lines
4.7 KiB
C++

/***************************************************************************
* Copyright (c) Juergen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef _CurveProjector_h_
#define _CurveProjector_h_
#ifdef FC_USE_GTS
# include <gts.h>
#endif
#include <gp_Pln.hxx>
#include <Base/Vector3D.h>
class TopoDS_Edge;
class TopoDS_Shape;
#include <TopoDS_Edge.hxx>
#include <Mod/Mesh/App/Mesh.h>
namespace MeshCore
{
class MeshKernel;
class MeshGeomFacet;
};
using MeshCore::MeshKernel;
using MeshCore::MeshGeomFacet;
namespace MeshPart
{
/** The father of all projection algorithems
*/
class MeshPartExport CurveProjector
{
public:
CurveProjector(const TopoDS_Shape &aShape, const MeshKernel &pMesh);
virtual ~CurveProjector() {}
struct FaceSplitEdge
{
unsigned long ulFaceIndex;
Base::Vector3f p1,p2;
};
template<class T>
struct TopoDSLess : public std::binary_function<T, T, bool> {
bool operator()(const T& x, const T& y) const {
return x.HashCode(INT_MAX-1) < y.HashCode(INT_MAX-1);
}
};
typedef std::map<TopoDS_Edge, std::vector<FaceSplitEdge>,TopoDSLess<TopoDS_Edge> > result_type;
result_type &result(void) {return mvEdgeSplitPoints;}
void writeIntersectionPointsToFile(const char *name="export_pts.asc");
protected:
virtual void Do()=0;
const TopoDS_Shape &_Shape;
const MeshKernel &_Mesh;
result_type mvEdgeSplitPoints;
};
/** Project by intersection face planes with the curve
*/
class MeshPartExport CurveProjectorShape: public CurveProjector
{
public:
CurveProjectorShape(const TopoDS_Shape &aShape, const MeshKernel &pMesh);
virtual ~CurveProjectorShape() {}
void projectCurve(const TopoDS_Edge& aEdge,
std::vector<FaceSplitEdge> &vSplitEdges);
bool findStartPoint(const MeshKernel &MeshK,const Base::Vector3f &Pnt,Base::Vector3f &Rslt,unsigned long &FaceIndex);
protected:
virtual void Do();
};
/** Project by projecting a sampled curve to the mesh
*/
class MeshPartExport CurveProjectorSimple: public CurveProjector
{
public:
CurveProjectorSimple(const TopoDS_Shape &aShape, const MeshKernel &pMesh);
virtual ~CurveProjectorSimple() {}
/// helper to discredicice a Edge...
void GetSampledCurves( const TopoDS_Edge& aEdge, std::vector<Base::Vector3f>& rclPoints, unsigned long ulNbOfPoints = 30);
void projectCurve(const TopoDS_Edge& aEdge,
const std::vector<Base::Vector3f> &rclPoints,
std::vector<FaceSplitEdge> &vSplitEdges);
bool findStartPoint(const MeshKernel &MeshK,const Base::Vector3f &Pnt,Base::Vector3f &Rslt,unsigned long &FaceIndex);
protected:
virtual void Do();
};
/** Project by projecting a sampled curve to the mesh
*/
class MeshPartExport CurveProjectorWithToolMesh: public CurveProjector
{
public:
struct LineSeg {
Base::Vector3f p;
Base::Vector3f n;
};
CurveProjectorWithToolMesh(const TopoDS_Shape &aShape, const MeshKernel &pMesh,MeshKernel &rToolMesh);
virtual ~CurveProjectorWithToolMesh() {}
void makeToolMesh(const TopoDS_Edge& aEdge,std::vector<MeshGeomFacet> &cVAry );
MeshKernel &ToolMesh;
protected:
virtual void Do();
};
} // namespace MeshPart
#endif