[GRASS-user] Elevation above a river

Shane Carey careyshan at gmail.com
Fri Sep 14 14:02:49 PDT 2018

Hi All,

Does anyone know is it possible to calculate the elevation above a river
channel (actual river network that was digitised as opposed to being
extracted from a DTM) from a DTM and create a polygon from it.

I need to calculate heights of 1m and 3m above a river channel on both
sides of the channel and create a polygon from it.

Thanks all.

Le gach dea ghui,
*Shane Carey*
*GIS and Data Solutions Consultant*
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