Handle objs without faces(Thanks to Bruno Dutailly)

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@476 fdac6126-5c0c-442c-9429-916003d36597

src/OpenMesh/Core/IO/reader/OBJReader.cc

@@ -589,6 +589,29 @@ read(std::istream& _in, BaseImporter& _bi, Options& _opt)
 
   }
 
+  // If we do not have any faces,
+  // assume this is a point cloud and read the normals and colors directly
+  if (_bi.n_faces()==0)
+  {
+    int i=0;
+    // add normal per vertex
+    if ( normals.size() == _bi.n_vertices() )
+      for (std::vector<VertexHandle>::iterator it  = vertexHandles.begin();
+          it != vertexHandles.end(); ++it, i++) {
+          _bi.set_normal( *it, normals[i] );
+      }
+
+
+    // add color per vertex
+    i=0;
+    if ( colors.size() >= _bi.n_vertices() )
+      for (std::vector<VertexHandle>::iterator it  = vertexHandles.begin();
+          it != vertexHandles.end(); ++it, i++) {
+        _bi.set_color( *it, colors[i] );
+      }
+
+  }
+
   return true;
 }