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72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#include <mystdlib.h>
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#include "meshing.hpp"
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namespace netgen
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{
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DLL_HEADER void Optimize2d (Mesh & mesh, MeshingParameters & mp)
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{
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static Timer timer("optimize2d"); RegionTimer reg(timer);
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mesh.CalcSurfacesOfNode();
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bool secondorder = mesh.GetNP() > mesh.GetNV();
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if (secondorder)
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{
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for (SurfaceElementIndex ei = 0; ei < mesh.GetNSE(); ei++)
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mesh[ei].SetType(TRIG);
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}
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mesh.Compress();
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const char * optstr = mp.optimize2d.c_str();
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int optsteps = mp.optsteps2d;
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for (int i = 1; i <= optsteps; i++)
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for (size_t j = 1; j <= strlen(optstr); j++)
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{
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if (multithread.terminate) break;
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switch (optstr[j-1])
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{
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case 's':
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{ // topological swap
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MeshOptimize2d meshopt(mesh);
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meshopt.SetMetricWeight (mp.elsizeweight);
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meshopt.EdgeSwapping (0);
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break;
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}
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case 'S':
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{ // metric swap
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MeshOptimize2d meshopt(mesh);
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meshopt.SetMetricWeight (mp.elsizeweight);
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meshopt.EdgeSwapping (1);
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break;
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}
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case 'm':
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{
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MeshOptimize2d meshopt(mesh);
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meshopt.SetMetricWeight (mp.elsizeweight);
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meshopt.ImproveMesh(mp);
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break;
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}
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case 'c':
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{
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MeshOptimize2d meshopt(mesh);
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meshopt.SetMetricWeight (mp.elsizeweight);
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meshopt.CombineImprove();
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break;
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}
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default:
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cerr << "Optimization code " << optstr[j-1] << " not defined" << endl;
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}
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}
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mesh.Compress(); // better: compress in individual steps, if necessary
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if (secondorder)
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{
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mesh.GetGeometry()->GetRefinement().MakeSecondOrder(mesh);
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}
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}
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}
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