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plot_swath problems
I am trying to make some plots after the error_bars_demo script and am having
some problems. I am using Ferret 5.22 running on intel-linux.
The plot in question compares the zonal mean results of 6 models. All models
have been regridded to th same latitude grid. At each latitude I take the
mean, minimum and maximum of the 6 models, ending up with three variables:
mean, min and max, say. I want to plot the mean with an overlay of the range
of model results. Something like (following the abovementioned script):
plot mean
go plot_swath poly/over/pal=gray/nolab min, max
plot/line=1 mean
However, when executing the go statement, I get an error message:
Command file, command group, or REPEAT execution aborted
*** NOTE: error: data is not a line
This is very confusing, since I can successfully plot any of the lines
individually:
plot mean
plot/nolabel/over min
plot/nolabel/over max
and this all works fine (but, of course, is not quite what I want :-) ).
Any ideas? I've tried simple things like:
go plot_swath poly/over/pal=gray/nolab mean-.2, mean+.2
and get the same error message.
Thanks for the help,
Rick Slater
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