[GRASS-user] Help on Define a color table

Greetings I haver searched among color tables and I didn't find any example like this: I want to define a color table where: all negative values are blue all zeros are green all positive values are red. Can anyone give me a tip on this? Thanks ___

Re: [GRASS-user] Help on Define a color table

You could use r.mapcalc and make all negs = -1, all pos = 1, leave all 0 = 0. Then make a color table where -1 is blue, 0 is green and 1 is red. I'm doing the very same thing right now :-) [Sent from a mobile device] On Apr 26, 2011, at 11:16 PM, Franz Schiller franzschiller1...@gmail.com

Re: [GRASS-user] Help on Define a color table

On 04/26/2011 06:16 PM, Franz Schiller wrote: Greetings I haver searched among color tables and I didn't find any example like this: I want to define a color table where:  all negative values are blue all zeros are green all

Re: [GRASS-user] Help on Define a color table

Franz wrote: I haver searched among color tables and I didn't find any example like this: the differences color rule looks like this: 0% blue 0 white 100% red also, have a look at r.colors.stddev's -z flag, as that makes the red and blue above equally scaled. (so if range was -1 to 100, the