docs: def get_properties(self):
          """
          Iterator that returns all the properties of the layuer
          @rtype: L{Cproperty}
          @return: list of property objects (iterator)
          """
          node_prop = self.node.find('properties')
          if node_prop is not None:
              obj_properties = Cproperties(node_prop,self.type)
              for prop in obj_properties:
                  yield prop