[GRASS-user] Re: Eliminating values based on a null
gorini at gmail.com
Wed Feb 16 11:12:37 EST 2011
>in my base map (called X) I have a few null values and, in Y map I want to
>eliminate pixels that match with null values in X. How can I do this?
>besides using mapcalc
I don't know if it is a coincidence, but your problem can be solved in the
same way as Kim's problem.
You can use the module r.series with the -n flag. It will propagate the
nulls among your input rasters. The method you use does not matter because
the -n flag overrides it. So it would be like this:
r.series -n input=X,Y output=Y_without_X_nulls method=average (or any
Hope this helps,
View this message in context: http://osgeo-org.1803224.n2.nabble.com/Eliminating-values-based-on-a-null-tp6031771p6032382.html
Sent from the Grass - Users mailing list archive at Nabble.com.
More information about the grass-user