NDWI (Normalized Difference Water Index) using Erdas Imagine

[@davidshaw7433]

Excellent content

[@TerraSpatial]

Thanks Bro

[@labeebahtanweer5642]

I have done NDWI ,but I only get the pixel range 0 to 255,how to solve the problem please help

[@manglem10]

Raster calculator in arcgis seems to be much easier to calculate all these indices

[@abdurrazzak4582]

P