Hello all,
I’m writing a script to autodetect the null space bordering a raster while ignoring interior voids. I expand the region to slightly larger than the data area, reclass nulls as 1, and then run r.clump to get discrete groups.
My question is, does r.clump process nulls in any particular order? >From what I’m seeing, my border null area always ends up being the highest numbered in r.clump. Since I need to detect which null clump represents the border, this would be very convenient.
Any insight?
Jamie