- Open RAS Mapper
- Select the Project > Create a New RAS Layer > Land Cover Layer
3. Click on the Add File button
and import the Land Cover .tiff file.
Then, go to Geometry | your geometry file | Manning's n | right click | Edit Manning's Values ...
The Layer Parameter Values window will open. There you can add the Mannings N values corresponding to the areas of the Land Cover Layer that you have imported previously.
The Land Cover (LULC) raster will be displayed in the RAS-MAPPER map, as illustrated in the image below:
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