obj in out works

tfields/mesh3D.py

@@ -321,7 +321,7 @@ class Mesh3D(tfields.TensorMaps):
                     group = dict(name=line[1], vertices={}, faces=[])
                 elif line[0] == 'v':
                     if not group:
-                        log.warning("No group specified. I invent one myself.")
+                        log.debug("No group found. Setting default 'Group'")
                         group = dict(name='Group', vertices={}, faces=[])
                     vertex = list(map(float, line[1:4]))
                     group['vertices'][vertex_no] = vertex
@@ -332,6 +332,8 @@ class Mesh3D(tfields.TensorMaps):
                         w = v.split('/')
                         face.append(int(w[0]))
                     group['faces'].append(face)
+            else:
+                groups.append(group)
 
         vertices = []
         for g in groups[:]: