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Re: [ferret_users] Color error in shading with -gif
Hi Bill,
> I've done some more checks on this. I have simplified my scripts down to a
> very simple multi-panel shade plot and the problem persists and appears to
> be the same issue reported back in 2008
> (http://www.pmel.noaa.gov/maillists/tmap/ferret_users/fu_2008/msg00470.html
> ) and again in 2009
> (http://www.pmel.noaa.gov/maillists/tmap/ferret_users/fu_2009/msg00451.html
> ). This is a pretty dangerous bug because the error is not always obvious
> and it would be easy to not catch a one level error if many levels were
> selected. In the 2008 thread the problem was blamed on some axis
> manipulation. However, in my case I can reproduce the problem with just a
> series of basic shade commands (see script below).
You may be interested in the workaround I proposed in 2009:
http://www.pmel.noaa.gov/maillists/tmap/ferret_users/fu_2009/msg00216.html
I've been able to reproduce your problem with your original script,
and I've modified it to the attached one, which solves the problem.
Cheers,
Ryo
--------------
! use "../test.nc"
use "etopo120.cdf"
set v ul
shade/lev=5 rose
ppl shaset reset !! <--
set v ur
shade/lev=5 rose
ppl shaset reset !! <--
set v ll
shade/lev=5 rose
ppl shaset reset !! <--
set v lr
shade/lev=5 rose
shade/ov/nolab/lev=5 rose
frame/file="test.gif"
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