120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
113 lines
4.4 KiB
C++
113 lines
4.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2005 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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#include "PreCompiled.h"
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#ifndef _PreComp_
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#endif
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <Base/Matrix.h>
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#include <Base/Sequencer.h>
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#include <Mod/Mesh/App/WildMagic4/Wm4Vector3.h>
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#include <Mod/Mesh/App/WildMagic4/Wm4MeshCurvature.h>
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#include "FeatureMeshCurvature.h"
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#include "MeshFeature.h"
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#include "Core/Elements.h"
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#include "Core/Iterator.h"
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using namespace Mesh;
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using namespace MeshCore;
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PROPERTY_SOURCE(Mesh::Curvature, App::DocumentObject)
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Curvature::Curvature(void)
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{
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ADD_PROPERTY(Source,(0));
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ADD_PROPERTY(CurvInfo, (CurvatureInfo()));
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}
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short Curvature::mustExecute() const
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{
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if (Source.isTouched())
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return 1;
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if (Source.getValue() && Source.getValue()->isTouched())
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return 1;
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return 0;
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}
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App::DocumentObjectExecReturn *Curvature::execute(void)
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{
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Mesh::Feature *pcFeat = dynamic_cast<Mesh::Feature*>(Source.getValue());
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if(!pcFeat || pcFeat->isError()) {
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return new App::DocumentObjectExecReturn("No mesh object attached.");
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}
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// get all points
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const MeshKernel& rMesh = pcFeat->Mesh.getValue().getKernel();
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std::vector< Wm4::Vector3<float> > aPnts;
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aPnts.reserve(rMesh.CountPoints());
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MeshPointIterator cPIt( rMesh );
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for (cPIt.Init(); cPIt.More(); cPIt.Next()) {
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Wm4::Vector3<float> cP(cPIt->x, cPIt->y, cPIt->z);
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aPnts.push_back(cP);
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}
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// get all point connections
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std::vector<int> aIdx;
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aIdx.reserve(3*rMesh.CountFacets());
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const std::vector<MeshFacet>& raFts = rMesh.GetFacets();
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for (std::vector<MeshFacet>::const_iterator jt = raFts.begin(); jt != raFts.end(); ++jt) {
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for (int i=0; i<3; i++) {
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aIdx.push_back((int)jt->_aulPoints[i]);
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}
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}
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// compute vertex based curvatures
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Wm4::MeshCurvature<float> meshCurv(rMesh.CountPoints(), &(aPnts[0]), rMesh.CountFacets(), &(aIdx[0]));
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// get curvature information now
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const Wm4::Vector3<float>* aMaxCurvDir = meshCurv.GetMaxDirections();
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const Wm4::Vector3<float>* aMinCurvDir = meshCurv.GetMinDirections();
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const float* aMaxCurv = meshCurv.GetMaxCurvatures();
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const float* aMinCurv = meshCurv.GetMinCurvatures();
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std::vector<CurvatureInfo> values(rMesh.CountPoints());
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for (unsigned long i=0; i<rMesh.CountPoints(); i++) {
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CurvatureInfo ci;
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ci.cMaxCurvDir = Base::Vector3f(aMaxCurvDir[i].X(), aMaxCurvDir[i].Y(), aMaxCurvDir[i].Z());
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ci.cMinCurvDir = Base::Vector3f(aMinCurvDir[i].X(), aMinCurvDir[i].Y(), aMinCurvDir[i].Z());
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ci.fMaxCurvature = aMaxCurv[i];
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ci.fMinCurvature = aMinCurv[i];
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values[i] = ci;
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}
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CurvInfo.setValues(values);
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return App::DocumentObject::StdReturn;
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}
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