VCG Library
edgemesh_sampling.cpp
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23 #include<vcg/complex/complex.h>
24 
25 #include<wrap/io_trimesh/import_off.h>
26 #include<wrap/io_trimesh/export_off.h>
27 #include<wrap/io_trimesh/export_ply.h>
28 
29 #include<vcg/complex/algorithms/point_sampling.h>
30 #include<vcg/complex/algorithms/create/platonic.h>
31 
32 using namespace vcg;
33 using namespace std;
34 
35 class MyEdge;
36 class MyFace;
37 class MyVertex;
38 struct MyUsedTypes : public UsedTypes< Use<MyVertex> ::AsVertexType,
39  Use<MyEdge> ::AsEdgeType,
40  Use<MyFace> ::AsFaceType>{};
41 
42 class MyVertex : public Vertex<MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::VEAdj, vertex::BitFlags >{};
43 class MyFace : public Face< MyUsedTypes, face::FFAdj, face::Normal3f, face::VertexRef, face::BitFlags > {};
44 class MyEdge : public Edge<MyUsedTypes,edge::VertexRef, edge::VEAdj, edge::EEAdj, edge::BitFlags >{};
45 class MyMesh : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge> > {};
46 
47 
48 int main( int argc, char **argv )
49 {
50  if(argc<2)
51  {
52  printf("Usage edgemesh_sampling <meshfilename.off> radius\n");
53  return -1;
54  }
55 
56  MyMesh m,e;
57 
58  if(tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=0)
59  {
60  printf("Error reading file %s\n",argv[1]);
61  exit(0);
62  }
63 
64  printf("Input mesh has %i vert %i faces\n",m.vn,m.fn);
65 
66 
69 
70  tri::UpdateFlags<MyMesh>::FaceFauxSignedCrease(m,math::ToRad(-40.f),math::ToRad(40.f ),false);
72  tri::BuildFromNonFaux(m,e);
73  printf("Out mesh has %i vert %i edges\n",e.vn,e.en);
74 
77  printf("Selected vertices %lu\n",tri::UpdateSelection<MyMesh>::VertexCount(e));
79  printf("Out mesh has %i vert %i edges\n",e.vn,e.en);
81  printf("Selected vertices %lu\n",tri::UpdateSelection<MyMesh>::VertexCount(e));
83  printf("Out mesh has %i vert %i edges\n",e.vn,e.en);
84 
85  tri::io::ExporterPLY<MyMesh>::Save(e,"out.ply", tri::io::Mask::IOM_EDGEINDEX);
86 
87  std::vector<Point3f> sampleVec;
88  tri::TrivialSampler<MyMesh> ps(sampleVec);
89  tri::SurfaceSampling<MyMesh>::EdgeMeshUniform(e,ps,m.bbox.Diag()/90.0f);
90  MyMesh sampleMesh;
91  tri::BuildMeshFromCoordVector(sampleMesh,sampleVec);
92  tri::io::ExporterPLY<MyMesh>::Save(sampleMesh,"sampleMesh.ply");
93  return 0;
94 }