[GRASS-dev] i.segment: Invalid region id -1
nik at nikosalexandris.net
Mon Dec 2 16:24:01 PST 2013
Nikos Alexandris wrote:
> > I've tested this with at least three different similar cases. All work
> > fine without the seed map! All fail with a seed map supplied. I guess, the
> > only real difference is time for the processes to complete, right?
> OK, I've just discovered that I mixed 8-bit (the Pan images) for the seed
> map and 16-bit (the Multi-Spectral images). So, seed -> 8-bit, group to be
> segmented -> 16-bit. Does this play a role?
Silly question. It does. The 8-bit seeds are not "compatible" to 16-bit data
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