Method name2id

dm_control/mujoco/wrapper/core.py:339–360

Returns the integer ID of a specified MuJoCo object. Args: name: String specifying the name of the object to query. object_type: The type of the object. Can be either a lowercase string (e.g. 'body', 'geom') or an `mjtObj` enum value. Returns: An integer object ID

(self, name, object_type)

    del self._ptr

  def name2id(self, name, object_type):
    """Returns the integer ID of a specified MuJoCo object.

    Args:
      name: String specifying the name of the object to query.
      object_type: The type of the object. Can be either a lowercase string
        (e.g. 'body', 'geom') or an `mjtObj` enum value.

    Returns:
      An integer object ID.

    Raises:
      Error: If `object_type` is not a valid MuJoCo object type, or if no object
        with the corresponding name and type was found.
    """
    if isinstance(object_type, str):
      object_type = _str2type(object_type)
    obj_id = mujoco.mj_name2id(self.ptr, object_type, name)
    if obj_id == -1:
      raise Error("Object of type {!r} with name {!r} does not exist.".format(
          _type2str(object_type), name))
    return obj_id

  def id2name(self, object_id, object_type):
    """Returns the name associated with a MuJoCo object ID, if there is one.