Re: Paneling attached plots

From: Carl Schreck <cjschrec_at_nyahnyahspammersnyahnyah>
Date: Fri Oct 25 2013 - 06:56:14 MDT

Hi Kyle,

I've had some success attaching and paneling, so should be possible (see
attached, no pun intended ;-). The one trick I found was that you have to
be careful if you're using you're own functions to make the plots.

So for example, this pseudocode works for overlaying:

--
function plot_with_overlay
begin
    draw base plot
    draw top plot
    overlay( base, top )
    return(base)
end
begin ; main
    plotA = plot_with_overlay
    plotB = plot_with_overlay
    gsn_panel( wks, (/ plotA, plotB /), (/ 2, 1 /), False )
end ; main
--
But this similar pseudocode would not work:
--
function plot_with_attach
begin
    draw base plot
    draw side plot
    base@attached = gsn_attach_plots( base, side, False, False)
    return(base)
end
begin ; main
    plotA = plot_with_attach
    plotB = plot_with_attach
    gsn_panel( wks, (/ plotA, plotB /), (/ 2, 1 /), False )
end ; main
--
You have to figure out a way for plot_with_attach to return both the base
plot and the side plot.
Hopefully this is helpful, and not just more confusing :-)
    Carl
On Thu, Oct 24, 2013 at 4:12 PM, Kyle Griffin <ksgriffin2@wisc.edu> wrote:
> Hi all,
>
> I've been working on what I thought would be a relatively simple task, but
> it appears I've run into some complications. My goal was to attach an XY
> plot with 3 different variables plotted to the right side of a
> gsn_csm_contour plot. I've done this before and it works great, much akin
> to the sample code #10 under paneling (see
> http://www.ncl.ucar.edu/Applications/Scripts/panel_10.ncl). However, my
> issues begin when I try to create a 3-panel figure of these attached plots.
> While the attaching process works fine, I get the error (included below) at
> the gsn_csm_panel call. The paneling works just fine if I double the number
> of panels and plot the XY plot and the contour plots separately in their
> own panels (see link below).
>
> Is there an internal limitation that prevents the paneling of multiple
> attached plots, or have I done something wrong along the way? I can provide
> the moderately simple script and FTP the necessary data files if that might
> be useful to someone's cause here. Any advice would be appreciated here.
>
> Thanks!
>
>
> Kyle Griffin
>
>
>
> Image with each in separated panels, no attach attempted:
> http://marrella.meteor.wisc.edu/~ksgriffin2/npac/temp/metric_0.png
>
>
> Error code: (note - the last call to line 199 is simply the call to
> gsn_csm_panel).
> fatal:Invalid plot ID=189 passed to NhlGetBB
> warning:pmOverlaySequenceIds isn't a resource in this object
> warning:NhlGetValues:Error retrieving pmOverlaySequenceIds
> fatal:["Execute.c":8470]:Execute: Error occurred at or near line 1726 in
> file $NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl
>
> fatal:["Execute.c":8470]:Execute: Error occurred at or near line 6424 in
> file $NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl
>
> fatal:["Execute.c":8470]:Execute: Error occurred at or near line 7123 in
> file $NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl
>
> fatal:["Execute.c":8470]:Execute: Error occurred at or near line 199 in
> file panel_hov_interact.ncl
>
> ----------------------------------------
> Kyle S. Griffin
> Department of Atmospheric and Oceanic Sciences
> University of Wisconsin - Madison
> Room 1421
> 1225 W Dayton St, Madison, WI 53706
> Email: ksgriffin2@wisc.edu
>
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>
-- 
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*Carl J. Schreck III, PhD*
*Research Associate*
Cooperative Institute for Climate and Satellites NC <http://cicsnc.org/>
North Carolina State University <http://ncsu.edu/>
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Received on Fri Oct 25 06:57:01 2013

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