eoreader.bands.index.NDWI

eoreader.bands.index.NDWI

NDWI(bands: dict) xarray.core.dataarray.DataArray[source]

Normalized Difference Water Index (GREEN Version): https://pro.arcgis.com/fr/pro-app/2.7/arcpy/image-analyst/ndwi.htm

NDWI = (Green - NIR) / (Green + NIR)

For the SWIR version, see the NDMI.

Parameters

bands (dict) – Bands as {band_name: xr.DataArray}

Returns

Computed index

Return type

xr.DataArray