urbanlc.model.pipeline_transforms.compute_NDWI#

urbanlc.model.pipeline_transforms.compute_NDWI(img: ndarray, index_green: int, index_nir: int) → ndarray#

Compute the Normalized Difference Water Index (NDWI).

Parameters:

  • img (np.ndarray) – Landsat image.

  • index_green (int) – Index of the Green band in the image.

  • index_nir (int) – Index of the Near-Infrared (NIR) band in the image.

Returns:

NDWI computed from the input image.

Return type:

np.ndarray