HELP: sites to raster - attributes (fwd)
Sue Tewalt x6437
stewalt at ncrds.er.usgs.gov
Thu Jan 26 09:05:33 EST 1995
>
> We are using grass4.1 trying to convert sites files to raster files.
> Using s.menu we are able to convert the sites into a raster map displaying
> either a 0 or 1 (1 for a site occuring in that cell).
>
> Our sites files contain an attribute which is snow depth. We want to
> convert the sites file into a raster file, where the raster value is
> the snow depth of the site in that cell (or average of sites in that cell
> if there are more than one). Basically we can't figure it out.
>
> We are using s.menu with option 7 to create a frequency based raster file,
> but we aren't sure how the categories are determined. Can we define our
> own categories?
>
> As a side note, can d.colors take an input file instead of needing a
> user to go in for each raster file and manually switch RGB values?
>
> Thanks for any help..
>
> Jay Wright
> Marilyn Hughes
> Rutgers Geography
>
>
Once you put the # signs in front of your values, you might want to
consider making an interpolated surface from the values, using something like
s.surf.idw.
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