def cursor(self):
    if self._last_raw_query is None:
      raise AssertionError('No cursor available.')
    cursor = self._last_raw_query.GetCursor()
    return websafe_encode_cursor(cursor)
Calculate the coordinates of each vertex in the epi space by transforming the fiducial to the coordinate space
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/_BaseQuery.cursor--crossover with--dataset/ETHPy150Open gallantlab/pycortex/cortex/database.py/Database.get_coords