message: Check number of facets in initialize GeoModelMeshFacets
diff: @@ -1736,6 +1736,15 @@ namespace RINGMesh {
  }
  }
  + // Get out if no facets
  + index_t nb_total_facets = 0 ;
  + for( auto& nb_facet : nb_facet_per_type ) {
  + nb_total_facets += nb_facet ;
  + }
  + if( nb_total_facets == 0 ) {
  + return ;
  + }
  +
  // Create triangles and quads, the polygons will be handle later
  if( nb_facet_per_type[TRIANGLE] ) {
  mesh_builder->create_facet_triangles( nb_facet_per_type[TRIANGLE] ) ;
  