On Mar 18, 2008, at 9:39 PM, Helena Mitasova wrote:
Michael - I have added an example from the book at the bottom of
this page - please try it and let me know whether it works.
http://skagit.meas.ncsu.edu/~helena/grasswork/grassbookdat07/
ncexternal/demo.txt
Please keep in mind that r.resample* is for reinterpolation of
continuous data to a different resolution not for interpolation
from scattered data (see the equations in the Appendix on what it
does) (r.surf.idw is designed for scattered data input in raster
format). You should convert your points from raster to vector
points and use the v.surf* modules to interpolate.
I hope this helps and let me know if the examples don't work
Thanks Helena. The issue that I ran into today (embarrassingly with
my class) is that of the v.surf.*modules, v.surf.bspline does not
work (I reported this sometime back), v.surf.rst crashes and brings
down the entire GUI (this is new), leaving only v.surf.idw as the
only functional interpolation routine in todays SVN trunk.
Michael
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