[ncl-talk] overlay polyline boundaries for all four subplots in one panel

[Rick Brownrigg]

Hi,

I don't know for certain, but you might try making your variable
"loess_id", which is assigned from the call to
gsn_add_shapefile_polylines(), into an array of type graphic and len=4,
just like you do with the variables plot and map.

Hope that helps...
Rick


On Wed, Sep 8, 2021 at 8:22 AM LSL via ncl-talk <ncl-talk at mailman.ucar.edu>
wrote:

> Dear NCL community,
>
>
> I have met a problem when overlaying polyline boundary on each contour
> plots within one panel. It seems that whatever how many  sentences with
> gsn_add_shapefile_polylines added, there is always one boundary on one
> plot.
>
>
> How can I add for all four plots? Thanks in advance,
>
>
> LSL
>
>
> The script and figure is attached.
>
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