Hi,
In my raster map sea pixels and missing data have the same null value.
I'd like to separate the two but i don't have a sea/land mask. Missing
data are concentrated in some areas.
How can i do it?
I thought to define regions in which missing data would be gathered but
if i only use the zoom to do it, it will take a long time.
Maybe using vectors?
Can anybody help me?
Thank you.
Stéphanie
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