[GRASS-user] Visualising null values with r.colors

RichardC richtcooper at hotmail.com
Wed Dec 26 23:18:27 PST 2012


I'd like to visualise null values (identified by * in grid cells).

I've set a rules file for r.colors as below, but I'm unable to change the
colour of the null value cells - I can use r.null to display by changing *
to another value, but was wondering if my rules file has an error or it
isn't possible to set a colour to the * null value?

Thanks for your suggestions.


Rules file:
0 255:255:229
1 255:247:188
5 254:227:145
10 254:196:79
20 254:153:41
50 236:112:20
80 204:76:2
159 140:45:4
nv 0:0:0

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