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Generate Flood Planning Layer

Question asked by Jack25 on Jul 30, 2018
Latest reply on Aug 1, 2018 by Dan_Patterson

I have several flood depth rasters (floating point) from different flood studies and a dem (floating point).

The idea is to generate a flood planning layer (flood depth raster + 0.5m) using the flood depth rasters and a dem (floating point).

In raster calculator I did "Con("flood_depth_raster","dem")" which gave me the extent of the flood depth raster with the dem values.

Does anyone know a way to add 0.5m to this and fit to the dem?

Then i will create a flood planning level polygon from the raster to use in the gis in further analysis.

Thanks, John