def METHOD_NAME(self, data_array):
    """Maps an array of data values to an array of colors."""
    norm_data = self._compute_normalized_data(data_array)
    rgba = map_colors_uint8(
        norm_data,
        self.steps,
        0.0,
        1.0,
        self._red_lut_uint8,
        self._green_lut_uint8,
        self._blue_lut_uint8,
        self._alpha_lut_uint8,
    )
    return rgba