164 lines
5.0 KiB
C++
164 lines
5.0 KiB
C++
/***************************************************************************
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* Copyright (c) 2009 Werner Mayer <wmayer[at]users.sourceforge.net> *
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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 MESH_SMOOTHING_H
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#define MESH_SMOOTHING_H
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#include <limits>
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#include <vector>
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#include "Definitions.h"
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namespace MeshCore
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{
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class MeshKernel;
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class MeshRefPointToPoints;
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class MeshRefPointToFacets;
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class MeshRefFacetToFacets;
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/** Base class for smoothing algorithms. */
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class MeshExport AbstractSmoothing
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{
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public:
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enum Component
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{
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Tangential, ///< Smooth tangential direction
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Normal, ///< Smooth normal direction
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TangentialNormal ///< Smooth tangential and normal direction
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};
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enum Continuity
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{
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C0,
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C1,
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C2
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};
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explicit AbstractSmoothing(MeshKernel&);
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virtual ~AbstractSmoothing();
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AbstractSmoothing(const AbstractSmoothing&) = delete;
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AbstractSmoothing(AbstractSmoothing&&) = delete;
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AbstractSmoothing& operator=(const AbstractSmoothing&) = delete;
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AbstractSmoothing& operator=(AbstractSmoothing&&) = delete;
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void initialize(Component comp, Continuity cont);
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/** Smooth the triangle mesh. */
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virtual void Smooth(unsigned int) = 0;
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virtual void SmoothPoints(unsigned int, const std::vector<PointIndex>&) = 0;
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protected:
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// NOLINTBEGIN
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MeshKernel& kernel;
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Component component {Normal};
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Continuity continuity {C0};
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// NOLINTEND
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};
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class MeshExport PlaneFitSmoothing: public AbstractSmoothing
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{
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public:
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explicit PlaneFitSmoothing(MeshKernel&);
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void SetMaximum(float max)
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{
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maximum = max;
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}
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void Smooth(unsigned int) override;
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void SmoothPoints(unsigned int, const std::vector<PointIndex>&) override;
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private:
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float maximum {std::numeric_limits<float>::max()};
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};
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class MeshExport LaplaceSmoothing: public AbstractSmoothing
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{
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public:
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explicit LaplaceSmoothing(MeshKernel&);
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void Smooth(unsigned int) override;
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void SmoothPoints(unsigned int, const std::vector<PointIndex>&) override;
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void SetLambda(double l)
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{
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lambda = l;
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}
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double GetLambda() const
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{
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return lambda;
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}
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protected:
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void Umbrella(const MeshRefPointToPoints&, const MeshRefPointToFacets&, double);
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void Umbrella(const MeshRefPointToPoints&,
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const MeshRefPointToFacets&,
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double,
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const std::vector<PointIndex>&);
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private:
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double lambda {0.6307};
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};
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class MeshExport TaubinSmoothing: public LaplaceSmoothing
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{
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public:
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explicit TaubinSmoothing(MeshKernel&);
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void Smooth(unsigned int) override;
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void SmoothPoints(unsigned int, const std::vector<PointIndex>&) override;
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void SetMicro(double m)
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{
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micro = m;
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}
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private:
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double micro {0.0424};
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};
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/*!
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* \brief The MedianFilterSmoothing class
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* Smoothing based on median filter from the paper:
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* Mesh Median Filter for Smoothing 3-D Polygonal Surfaces
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*/
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class MeshExport MedianFilterSmoothing: public AbstractSmoothing
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{
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public:
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explicit MedianFilterSmoothing(MeshKernel&);
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void SetWeight(int w)
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{
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weights = w;
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}
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void Smooth(unsigned int) override;
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void SmoothPoints(unsigned int, const std::vector<PointIndex>&) override;
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private:
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void UpdatePoints(const MeshRefFacetToFacets&,
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const MeshRefPointToFacets&,
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const std::vector<PointIndex>&);
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private:
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int weights {1};
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};
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} // namespace MeshCore
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#endif // MESH_SMOOTHING_H
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