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Use file writer for WRL output

This commit is contained in:
Mael Rouxel-Labbé 2020-01-25 13:00:12 +01:00
parent 128009fd57
commit d8053f8198
2 changed files with 6 additions and 69 deletions
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70
BGL/include/CGAL/boost/graph/IO/WRL.h
View File

@ -12,11 +12,11 @@
#ifndef CGAL_BGL_IO_WRL_H
#define CGAL_BGL_IO_WRL_H
#include <CGAL/IO/VRML.h>
#include <CGAL/boost/graph/Named_function_parameters.h>
#include <CGAL/boost/graph/named_params_helper.h>
#include <boost/container/flat_map.hpp>
#include <fstream>
namespace CGAL {
@ -40,70 +40,8 @@ bool write_WRL(std::ostream& os,
const FaceGraph& g,
const NamedParameters& np)
{
typedef typename boost::graph_traits<FaceGraph>::vertex_descriptor vertex_descriptor;
typedef typename boost::graph_traits<FaceGraph>::face_descriptor face_descriptor;
typedef typename boost::graph_traits<FaceGraph>::vertices_size_type vertices_size_type;
using parameters::get_parameter;
using parameters::choose_parameter;
typename CGAL::GetVertexPointMap<FaceGraph, NamedParameters>::const_type
vpm = choose_parameter(get_parameter(np, internal_np::vertex_point),
get_const_property_map(CGAL::vertex_point, g));
boost::container::flat_map<vertex_descriptor,vertices_size_type> reindex;
int n = 0;
os << "#VRML V2.0 utf8\n"
"Group {\n"
"children [\n"
"Shape {\n"
"appearance DEF A1 Appearance {\n"
"material Material {\n"
"diffuseColor .6 .5 .9\n"
"}\n"
"}\n"
"appearance\n"
"Appearance {\n"
"material DEF Material Material {}\n"
"}\n"
"}\n"
"Group {\n"
"children [\n"
"Shape {\n"
"appearance Appearance { material USE Material }\n"
"geometry IndexedFaceSet {\n"
"convex FALSE\n"
"solid FALSE\n"
"coord Coordinate {\n"
"point [\n";
for(vertex_descriptor v : vertices(g))
{
os << get(vpm,v) << ",\n";
reindex[v] = n++;
}
os << "] #point\n"
"} #coord Coordinate\n"
"coordIndex [\n";
for(face_descriptor f : faces(g))
{
for(vertex_descriptor v : vertices_around_face(halfedge(f, g), g))
os << reindex[v] << ",";
os << "-1,\n";
}
os << "] #coordIndex\n"
"} #geometry\n"
"} #Shape\n"
"] #children\n"
"} #group\n"
"]\n"
"}\n";
return os.good();
IO::internal::Generic_facegraph_printer<std::ostream, FaceGraph, CGAL::File_writer_VRML_2> printer(os);
return printer(g, np);
}
template <typename FaceGraph, typename CGAL_BGL_NP_TEMPLATE_PARAMETERS>

5
Stream_support/include/CGAL/IO/VRML/File_writer_VRML_2.h
View File

@ -43,15 +43,14 @@ public:
m_out = &o.os();
m_facets = facets;
out() << " #-- Begin of Polyhedron_3\n";
out() << " #-- Begin of Polygon Mesh\n";
out() << " # " << vertices << " vertices\n";
out() << " # " << halfedges << " halfedges\n";
out() << " # " << facets << " facets\n";
out() << " Group {\n"
" children [\n"
" Shape {\n"
" appearance Appearance { material "
"USE Material }\n"
" appearance Appearance { material USE Material }\n"
" geometry IndexedFaceSet {\n"
" convex FALSE\n"
" solid FALSE\n"