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write_vtu uses write_vtu_with_attributes

This commit is contained in:
Maxime Gimeno 2019-02-04 09:58:47 +01:00
parent ad300da617
commit 6cff52c485
1 changed files with 6 additions and 42 deletions
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48
Mesh_2/include/CGAL/IO/write_vtu.h
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@ -352,7 +352,10 @@ void write_vtu_with_attributes(std::ostream& os,
const bool binary = (mode == IO::BINARY);
write_cdt_points_tag(os,tr,V,binary,offset);
write_cells_tag_2(os,tr,number_of_triangles, V,binary,offset);
os << " <CellData Scalars=\""<<attributes.front().first<<"\">\n";
if(attributes.empty())
os << " <CellData >\n";
else
os << " <CellData Scalars=\""<<attributes.front().first<<"\">\n";
for(std::size_t i = 0; i< attributes.size(); ++i)
{
write_attribute_tag_2(os,attributes[i].first, *attributes[i].second, binary,offset);
@ -376,47 +379,8 @@ void write_vtu(std::ostream& os,
const CDT& tr,
IO::Mode mode = IO::BINARY)
{
typedef typename CDT::Vertex_handle Vertex_handle;
std::map<Vertex_handle, std::size_t> V;
//write header
os << "<?xml version=\"1.0\"?>\n"
<< "<VTKFile type=\"UnstructuredGrid\" version=\"0.1\"";
#ifdef CGAL_LITTLE_ENDIAN
os << " byte_order=\"LittleEndian\"";
#else // CGAL_BIG_ENDIAN
os << " byte_order=\"BigEndian\"";
#endif
switch(sizeof(std::size_t)) {
case 4: os << " header_type=\"UInt32\""; break;
case 8: os << " header_type=\"UInt64\""; break;
default: CGAL_error_msg("Unknown size of std::size_t");
}
os << ">\n"
<< " <UnstructuredGrid>" << "\n";
int number_of_triangles = 0;
for(typename CDT::Finite_faces_iterator
fit = tr.finite_faces_begin(),
end = tr.finite_faces_end();
fit != end; ++fit)
{
if(fit->is_in_domain()) ++number_of_triangles;
}
os << " <Piece NumberOfPoints=\"" << tr.number_of_vertices()
<< "\" NumberOfCells=\"" << number_of_triangles + std::distance(tr.constrained_edges_begin(), tr.constrained_edges_end()) << "\">\n";
std::size_t offset = 0;
const bool binary = (mode == IO::BINARY);
write_cdt_points_tag(os,tr,V,binary,offset);
write_cells_tag_2(os,tr,number_of_triangles, V,binary,offset);
os << " </Piece>\n"
<< " </UnstructuredGrid>\n";
if (binary) {
os << "<AppendedData encoding=\"raw\">\n_";
write_cdt_points(os,tr,V); // write points before cells to fill the std::map V
write_cells_2(os,tr, number_of_triangles, V);
}
os << "</VTKFile>\n";
std::vector<std::pair<const char*, const std::vector<double>*> > dummy_atts;
write_vtu_with_attributes(os, tr, dummy_atts, mode);
}
} //end CGAL