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Adding a barrier with height on a Raster DEM

Question asked by arepole on Jun 12, 2017
Latest reply on Jun 14, 2017 by jayanta.poddar

Hi all,


I am currently working on a project in which I am modelling lava flows (using a plugin). I have run all eruption simulations but now want to add barriers/walls that would change the height of the DEM so I can assess mitigation strategies.

I have tried drawing polygons and lines and building mosaics but they haven't worked.


Is there a way of changing the height of certain pixels or drawing a polygon/line to make it part of the raster DEM?


Any advice/help is much appreciated!


- A