7bababee5c
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@915 fdac6126-5c0c-442c-9429-916003d36597
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
#include <iostream>
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#include <vector>
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// -------------------- OpenMesh
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#include <OpenMesh/Core/IO/MeshIO.hh>
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#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
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typedef OpenMesh::TriMesh_ArrayKernelT<> MyMesh;
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int main(int argc, char **argv)
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{
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MyMesh mesh;
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// check command line options
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if (argc != 4)
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{
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std::cerr << "Usage: " << argv[0] << " #iterations infile outfile\n";
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return 1;
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}
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// read mesh from stdin
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if ( ! OpenMesh::IO::read_mesh(mesh, argv[2]) )
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{
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std::cerr << "Error: Cannot read mesh from " << argv[2] << std::endl;
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return 1;
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}
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// this vector stores the computed centers of gravity
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std::vector<MyMesh::Point> cogs;
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std::vector<MyMesh::Point>::iterator cog_it;
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cogs.reserve(mesh.n_vertices());
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// smoothing mesh argv[1] times
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MyMesh::VertexIter v_it, v_end(mesh.vertices_end());
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MyMesh::VertexVertexIter vv_it;
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MyMesh::Point cog;
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MyMesh::Scalar valence;
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unsigned int i, N(atoi(argv[1]));
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for (i=0; i < N; ++i)
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{
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cogs.clear();
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for (v_it=mesh.vertices_begin(); v_it!=v_end; ++v_it)
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{
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cog[0] = cog[1] = cog[2] = valence = 0.0;
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for (vv_it=mesh.vv_iter( *v_it ); vv_it.is_valid(); ++vv_it)
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{
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cog += mesh.point( *vv_it );
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++valence;
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}
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cogs.push_back(cog / valence);
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}
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for (v_it=mesh.vertices_begin(), cog_it=cogs.begin();
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v_it!=v_end; ++v_it, ++cog_it)
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if ( !mesh.is_boundary( *v_it ) )
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mesh.set_point( *v_it, *cog_it );
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}
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// write mesh to stdout
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if ( ! OpenMesh::IO::write_mesh(mesh, argv[3]) )
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{
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std::cerr << "Error: cannot write mesh to " << argv[3] << std::endl;
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return 1;
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}
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return 0;
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}
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