@staticmethod
def load(collada, localscope, node):
    """Load and return a class instance from an XML node.

        Inspect the data inside node, which must match
        this class tag and create an instance out of it.

        :param collada.Collada collada:
          The collada file object where this object lives
        :param dict localscope:
          If there is a local scope where we should look for local ids
          (sid) this is the dictionary. Otherwise empty dict ({})
        :param node:
          An Element from python's ElementTree API

        """
    raise Exception('Not implemented')
