parameters: (self, event=None)
docstring: Clear all GPS points, routes and persons.
docstring_summary: Clear all GPS points, routes and persons.
docstring_tokens: Clear all GPS points routes and persons .
function: def on_clear_all(self, event=None):
          """
          Clear all GPS points, routes and persons.
          """
          self._mapmatching.clear_all()
          self._mainframe.browse_obj(self._mapmatching)
          self._is_needs_refresh = True
          self.refresh_widgets()
function_tokens: def on_clear_all ( self , event = None ) : self . _mapmatching . clear_all ( ) self . _mainframe . browse_obj ( self . _mapmatching ) self . _is_needs_refresh = True self . refresh_widgets ( )