[GRASS-user] Stream flow direction map

Hamish hamish_b at yahoo.com
Sat May 1 07:53:03 EDT 2010


Achim wrote:

> Further I suggest to weight the DEM with the contour information.
> A guess how this could be done:
> v.to.rast contourmap
> r.fillnulls (to interpolate between contour lines raster map)?

r.fillnulls is better for little holes (e.g. in SRTM data)

see comparison of other methods here:
  http://grass.osgeo.org/wiki/Contour_lines_to_DEM


Hamish


      


More information about the grass-user mailing list