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BASEMENT
Basic Simulation Environment for computation of environmental flow and natural hazard simulation
Laboratory of Hydraulics, Hydrology and Glaciology (VAW)
ETH Zurich
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#1 2017-03-02 09:24:44

Matthias
Advanced_User
Registered: 2014-12-16
Posts: 29

BASEMESH: Elevation of Node outside of Z-Domain = 0

Dear Basement Team

- I have used the interpolate Z to node-tool using a Raster dataset in QGIS.
- My Model domain is slightly larger than the DEM-Domain.
- The node-values for the points outside of the DEM-Domain were given the value -999 for the elevation
- when exporting the 2dm from those z-values, the mesh domain is cut --> no mesh is created where nodes are -999

- Could you set this value to "0" or let the user choose how to treat it e.g. with an extrapolation method? Then we have the nodes still in the 2dm file even if their elevation is not interpolated.

Thanks a lot and best regards!
Matthias

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