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test reading of arbitrary properties + list

This commit is contained in:
Sébastien Loriot 2023-04-12 13:42:40 +02:00
parent c6e65964ec
commit 0668ef8cb3
1 changed files with 87 additions and 0 deletions
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87
Surface_mesh/test/Surface_mesh/sm_ply_io.cpp
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@ -43,5 +43,92 @@ int main()
// CGAL::IO::set_binary_mode(out);
CGAL::IO::write_PLY(out, mesh);
// extra test for read/write of properties
mesh = SMesh();
in.close();
in.open(CGAL::data_file_path("meshes/colored_tetra.ply"));
CGAL::IO::read_PLY(in, mesh);
float fvalue=1001;
auto v_uvmap = mesh.add_property_map<SMesh::Vertex_index, std::vector<float>>("v:uv").first;
auto v_umap = mesh.add_property_map<SMesh::Vertex_index, float>("v:u").first;
auto v_vmap = mesh.add_property_map<SMesh::Vertex_index, float>("v:v").first;
for (SMesh::Vertex_index v : vertices(mesh))
{
v_uvmap[v]={fvalue, -fvalue};
v_umap[v]=fvalue;
v_vmap[v]=-fvalue;
++fvalue;
}
double dvalue=2001;
auto f_uvmap = mesh.add_property_map<SMesh::Face_index, std::vector<double>>("f:uv").first;
auto f_umap = mesh.add_property_map<SMesh::Face_index, double>("f:u").first;
auto f_vmap = mesh.add_property_map<SMesh::Face_index, double>("f:v").first;
for (SMesh::Face_index f : faces(mesh))
{
f_uvmap[f]={dvalue, -dvalue};
f_umap[f]=dvalue;
f_vmap[f]=-dvalue;
++dvalue;
}
out.close();
out.open("out_ascii.ply");
CGAL::IO::write_PLY(out, mesh);
out.close();
out.open("out_binary.ply");
CGAL::IO::set_binary_mode(out);
CGAL::IO::write_PLY(out, mesh);
out.close();
mesh.clear();
const std::array<std::string,2> fnames = {"out_ascii.ply", "out_binary.ply"};
for (std::string fn : fnames)
{
std::cout << "Reading " << fn << "\n";
in.close();
in.open(fn);
SMesh mesh_bis;
CGAL::IO::read_PLY(in, mesh_bis);
assert((mesh_bis.property_map<SMesh::Vertex_index, float>("v:u").second));
assert((mesh_bis.property_map<SMesh::Vertex_index, float>("v:v").second));
assert((mesh_bis.property_map<SMesh::Vertex_index, std::vector<float>>("v:uv").second));
v_uvmap = mesh_bis.property_map<SMesh::Vertex_index, std::vector<float>>("v:uv").first;
v_umap = mesh_bis.property_map<SMesh::Vertex_index, float>("v:u").first;
v_vmap = mesh_bis.property_map<SMesh::Vertex_index, float>("v:v").first;
fvalue=1001;
for (SMesh::Vertex_index v : vertices(mesh_bis))
{
assert(v_uvmap[v].size()==2);
assert(v_uvmap[v][0]==fvalue);
assert(v_uvmap[v][1]==-fvalue);
assert(v_umap[v]==fvalue);
assert(v_vmap[v]==-fvalue);
++fvalue;
}
assert((mesh_bis.property_map<SMesh::Face_index, double>("f:u").second));
assert((mesh_bis.property_map<SMesh::Face_index, double>("f:v").second));
assert((mesh_bis.property_map<SMesh::Face_index, std::vector<double>>("f:uv").second));
f_uvmap = mesh_bis.property_map<SMesh::Face_index, std::vector<double>>("f:uv").first;
f_umap = mesh_bis.property_map<SMesh::Face_index, double>("f:u").first;
f_vmap = mesh_bis.property_map<SMesh::Face_index, double>("f:v").first;
dvalue=2001;
for (SMesh::Face_index f : faces(mesh_bis))
{
assert(f_uvmap[f].size()==2);
assert(f_uvmap[f][0]==dvalue);
assert(f_uvmap[f][1]==-dvalue);
assert(f_umap[f]==dvalue);
assert(f_vmap[f]==-dvalue);
++dvalue;
}
}
return 0;
}