make_dem.csh
Synopsis
make_dem.csh lonW lonE latS latN DEM_type
Description
make_dem.csh creates a DEM (dem.grd) file using the input lon/lat coordinate boundaries
Custom dem.grd also available from http://topex.ucsd.edu/gmtsar
Required Arguments
lonW lonE latS latN
Range extension of your desired DEM (if your area crosses the equator or E 180 degrees, you may need to pull two grids of dem and paste them together with GMT grdpaste https://docs.generic-mapping-tools.org/6.2/grdpaste.html )
DEM_type
Choose the source of your DEM data.
1–SRTM1 2–SRTM3 3–ASTER
Example
make_dem.csh -125.5 -122.5 30.5 33.5 2