[GRASS-user] null values

Carlos "Guâno" Grohmann carlos.grohmann at gmail.com
Mon Aug 6 11:03:56 EDT 2007

you can use r.mapcalc or r.null


On 8/6/07, goldneaa at onid.orst.edu <goldneaa at onid.orst.edu> wrote:
> Lets say I have a map with a range of -20, and 20.  I am able to
> create a legend that only shows -10,10.  But I want my map to only
> show values from -10,10.  Is there a way to make the areas that are
> above 10, or below -10 show up as white or null values on the display
> map.  I have been playing around with val. list in d.rast.  But I have
> not had much sucess in creating maps that take out my max and min
> outliers.  Any suggestions?
> Aaron
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              Carlos Henrique Grohmann - Guano
  Visiting Researcher at Kingston University London - UK
  Geologist M.Sc  - Doctorate Student at IGc-USP - Brazil
Linux User #89721  - carlos dot grohmann at gmail dot com
"Good morning, doctors. I have taken the liberty of removing Windows
95 from my hard drive."
--The winning entry in a "What were HAL's first words" contest judged
by 2001: A SPACE ODYSSEY creator Arthur C. Clarke

Can't stop the signal.

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