keras-team/keras · error · NotImplementedError

map_coordinates currently requires order<=1

Error message

map_coordinates currently requires order<=1

What it means

Error "map_coordinates currently requires order<=1" thrown in keras-team/keras.

Source

Thrown at keras/src/backend/tensorflow/image.py:685

            f" Received input with shape: {coordinate_arrs.shape}"
        )
    if fill_mode not in MAP_COORDINATES_FILL_MODES:
        raise ValueError(
            "Invalid value for argument `fill_mode`. Expected one of "
            f"{set(MAP_COORDINATES_FILL_MODES.keys())}. Received: "
            f"fill_mode={fill_mode}"
        )

    fill_value = convert_to_tensor(fill_value, dtype=input_arr.dtype)

    coordinate_arrs = tf.unstack(coordinate_arrs, axis=0)

    if order == 0:
        interp_fun = _nearest_indices_and_weights
    elif order == 1:
        interp_fun = _linear_indices_and_weights
    else:
        raise NotImplementedError("map_coordinates currently requires order<=1")

    def process_coordinates(coords, size):
        if fill_mode == "constant":
            valid = (coords >= 0) & (coords < size)
            safe_coords = tf.clip_by_value(coords, 0, size - 1)
            return safe_coords, valid
        elif fill_mode == "nearest":
            return tf.clip_by_value(coords, 0, size - 1), tf.ones_like(
                coords, dtype=tf.bool
            )
        elif fill_mode in ["mirror", "reflect"]:
            coords = tf.abs(coords)
            size_2 = size * 2
            mod = tf.math.mod(coords, size_2)
            under = mod < size
            over = ~under
            # reflect mode is same as mirror for under
            coords = tf.where(under, mod, size_2 - mod)

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/tensorflow/image.py:685 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of keras-team/keras@7a34a03db6 (2026-08-25). Data as JSON: /api/errors/d758930401896a28. Report an issue: GitHub.