[GRASSLIST:2136] Re: r.reclass: how to reclass only part of the categories

Rich Shepard rshepard at appl-ecosys.com
Fri Jul 20 09:29:06 EDT 2001

On Fri, 20 Jul 2001 mlennert at club.worldonline.be wrote:

> So my question: is there a reclass rule meaning something like 'leave 1
> thru 9000 the way they are' ? Or: is there a way to tell nviz to not take
> into accont z values outside of a defined range ?


  You are correct that the man page is ambiguous about this. In other raster
GIS software I've used, the reclassification function allowed me to specify
those values I wanted to change, and leave the others untouched.

  Have you tried this with your data? Because the output is a difference
file (that is, the rules applied each time the reclassified map is specified
for use), you lose nothing in your original data by experimenting. Please
post here what your experimentation finds.



Dr. Richard B. Shepard, President

                       Applied Ecosystem Services, Inc. (TM)
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 + 1 503-667-4517 (voice) | + 1 503-667-8863 (fax) | rshepard at appl-ecosys.com
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