[ncl-talk] Duplicate a plot

[Dennis Shea]

plot1 = gsn_csm_xy(...
plot2 = gsn_csm_xy(...
plot3 = gsn_csm_xy(...

PLOT1= plot1   ; 'copy' rather than 'creae't

overlay(plot2,plot1)
overlay(plot3,PLOT1)

On Thu, Oct 5, 2017 at 9:57 AM, Adam Phillips <asphilli at ucar.edu> wrote:

> Hi Carl,
> In short: No, you will have to create the same plot (=plot1) twice. Once a
> plot has been overlaid once you can not overlay it again.
> Adam
>
> On Wed, Oct 4, 2017 at 9:50 AM, Carl Schreck <cjschrec at ncsu.edu> wrote:
>
>> I am making one plot that I want to overlay onto two other ones. When I
>> draw the other two, say:
>>
>> plot1 = gsn_csm_xy(...
>> plot2 = gsn_csm_xy(...
>> plot3 = gsn_csm_xy(...
>>
>> overlay(plot2,plot1)
>> overlay(plot3,plot1)
>>
>> And this gives me an error:
>> fatal:NhlAddOverlay: tranform is already an annotation or overlay: 30
>>
>> Is there a way to duplicate plot1 other than creating it from scratch
>> again? Just doing plot1b = plot1 and then overlaying plot1b doesn't fix
>> it.
>>
>> Thanks!
>> Carl
>>
>> --
>>
>>
>> <https://ncics.org/>
>> * Cyclone <http://www.cyclonecenter.org/>*Center.org
>> <http://www.cyclonecenter.org/>   *Carl J. Schreck III, PhD*
>> *Research Scholar / Research **Assistant Professor*
>> Cooperative Institute for Climate and Satellites NC (CICS
>> <http://www.cicsnc.org/>*-NC) <http://www.cicsnc.org/> /*
>> Department of Marine, Earth, and Atmospheric Sciences (MEAS)
>> <https://meas.sciences.ncsu.edu/>
>> North Carolina State University <http://ncsu.edu/>
>> NOAA National Centers for Environmental Information (NCEI)
>> <http://ncei.noaa.gov/>
>> 151 Patton Ave, Asheville, NC 28801
>> e: carl_schreck at ncsu.edu
>> o: +1 828 257 3140 <(828)%20257-3140>
>> c: +1 828 484 1702 <(828)%20484-1702>
>> Publications
>> <http://scholar.google.com/citations?hl=en&user=th8ONEcAAAAJ&view_op=list_works&sortby=pubdate>
>> ncics.org/mjo
>>
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>
>
> --
> Adam Phillips
> Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
> www.cgd.ucar.edu/staff/asphilli/   303-497-1726 <(303)%20497-1726>
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>
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