174 lines
6.1 KiB
C++
174 lines
6.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2012 Imetric 3D GmbH *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef MESHCORE_SEGMENTATION_H
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#define MESHCORE_SEGMENTATION_H
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#include "MeshKernel.h"
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#include "Curvature.h"
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#include "Visitor.h"
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#include <vector>
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namespace MeshCore {
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class PlaneFit;
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class MeshFacet;
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typedef std::vector<unsigned long> MeshSegment;
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class MeshExport MeshSurfaceSegment
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{
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public:
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MeshSurfaceSegment(unsigned long minFacets)
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: minFacets(minFacets) {}
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virtual ~MeshSurfaceSegment() {}
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virtual bool TestFacet (const MeshFacet &rclFacet) const = 0;
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virtual void Initialize(unsigned long);
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virtual void AddFacet(const MeshFacet& rclFacet);
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void AddSegment(const std::vector<unsigned long>&);
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const std::vector<MeshSegment>& GetSegments() const { return segments; }
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protected:
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std::vector<MeshSegment> segments;
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unsigned long minFacets;
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};
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// --------------------------------------------------------
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class MeshExport MeshDistanceSurfaceSegment : public MeshSurfaceSegment
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{
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public:
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MeshDistanceSurfaceSegment(const MeshKernel& mesh, unsigned long minFacets, float tol)
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: MeshSurfaceSegment(minFacets), kernel(mesh), tolerance(tol) {}
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protected:
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const MeshKernel& kernel;
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float tolerance;
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};
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class MeshExport MeshDistancePlanarSegment : public MeshDistanceSurfaceSegment
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{
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public:
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MeshDistancePlanarSegment(const MeshKernel& mesh, unsigned long minFacets, float tol);
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virtual ~MeshDistancePlanarSegment();
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bool TestFacet (const MeshFacet& rclFacet) const;
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void Initialize(unsigned long);
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void AddFacet(const MeshFacet& rclFacet);
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protected:
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Base::Vector3f basepoint;
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Base::Vector3f normal;
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PlaneFit* fitter;
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};
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// --------------------------------------------------------
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class MeshExport MeshCurvatureSurfaceSegment : public MeshSurfaceSegment
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{
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public:
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MeshCurvatureSurfaceSegment(const std::vector<CurvatureInfo>& ci, unsigned long minFacets)
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: MeshSurfaceSegment(minFacets), info(ci) {}
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protected:
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const std::vector<CurvatureInfo>& info;
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};
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class MeshExport MeshCurvaturePlanarSegment : public MeshCurvatureSurfaceSegment
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{
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public:
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MeshCurvaturePlanarSegment(const std::vector<CurvatureInfo>& ci, unsigned long minFacets, float tol)
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: MeshCurvatureSurfaceSegment(ci, minFacets), tolerance(tol) {}
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virtual bool TestFacet (const MeshFacet &rclFacet) const;
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private:
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float tolerance;
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};
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class MeshExport MeshCurvatureCylindricalSegment : public MeshCurvatureSurfaceSegment
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{
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public:
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MeshCurvatureCylindricalSegment(const std::vector<CurvatureInfo>& ci, unsigned long minFacets,
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float tolMin, float tolMax, float radius)
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: MeshCurvatureSurfaceSegment(ci, minFacets), toleranceMin(tolMin), toleranceMax(tolMax) { curvature = 1/radius;}
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virtual bool TestFacet (const MeshFacet &rclFacet) const;
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private:
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float curvature;
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float toleranceMin;
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float toleranceMax;
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};
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class MeshExport MeshCurvatureSphericalSegment : public MeshCurvatureSurfaceSegment
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{
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public:
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MeshCurvatureSphericalSegment(const std::vector<CurvatureInfo>& ci, unsigned long minFacets, float tol, float radius)
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: MeshCurvatureSurfaceSegment(ci, minFacets), tolerance(tol) { curvature = 1/radius;}
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virtual bool TestFacet (const MeshFacet &rclFacet) const;
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private:
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float curvature;
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float tolerance;
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};
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class MeshExport MeshCurvatureFreeformSegment : public MeshCurvatureSurfaceSegment
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{
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public:
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MeshCurvatureFreeformSegment(const std::vector<CurvatureInfo>& ci, unsigned long minFacets,
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float tolMin, float tolMax, float c1, float c2)
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: MeshCurvatureSurfaceSegment(ci, minFacets), c1(c1), c2(c2),
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toleranceMin(tolMin), toleranceMax(tolMax) {}
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virtual bool TestFacet (const MeshFacet &rclFacet) const;
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private:
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float c1, c2;
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float toleranceMin;
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float toleranceMax;
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};
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class MeshExport MeshSurfaceVisitor : public MeshFacetVisitor
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{
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public:
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MeshSurfaceVisitor (MeshSurfaceSegment& segm, std::vector<unsigned long> &indices);
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virtual ~MeshSurfaceVisitor ();
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bool AllowVisit (const MeshFacet& face, const MeshFacet&,
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unsigned long, unsigned long, unsigned short neighbourIndex);
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bool Visit (const MeshFacet & face, const MeshFacet &,
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unsigned long ulFInd, unsigned long);
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protected:
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std::vector<unsigned long> &indices;
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MeshSurfaceSegment& segm;
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};
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class MeshExport MeshSegmentAlgorithm
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{
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public:
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MeshSegmentAlgorithm(const MeshKernel& kernel) : myKernel(kernel) {}
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void FindSegments(std::vector<MeshSurfaceSegment*>&);
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private:
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const MeshKernel& myKernel;
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};
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} // MeshCore
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#endif // MESHCORE_SEGMENTATION_H
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