[ncl-talk] different sized plots

[Mary Haley]

Geeta,

The problem is that you are paneling plots that are different sizes. The
first two are the same, but the third one is different in size because it
doesn't have a labelbar.  gsn_panel is trying to resize all of your plots
based on the total area that a plot takes up, and not just the area minus
the labelbar.

Since your third plot is a different size than the others, my suggestion is
to not use gsn_panel, and instead set the vpXF/vpYF/vpWidthF/vpHeightF
resources yourself.

You can actually use gsn_panel to help you determine the values to try.
First, set the following resource before you call gsn_panel:

   Panelres at gsnPanelDebug  = True

Then run your script. It will print a bunch of information like:

-------Panel viewport values for each plot-------
    plot #0
    new x,y      = 0.0294018,0.779628
    orig wdt,hgt = 0.7,0.49
    new wdt,hgt  = 0.261554,0.183088

-------Panel viewport values for each plot-------
    plot #1
    new x,y      = 0.329402,0.779628
    orig wdt,hgt = 0.7,0.49
    new wdt,hgt  = 0.261554,0.183088

The values you see on the "new" line are what gsn_panel resized and
repositioned your plots to. These are the values you can use for the vpXXX
resources. For example, in the first plot you would set:

    res at vpXF      = 0.0294018  ; or simply 0.03
    res at vpYF      = 0.779628   ;           0.78
    res at vpWidthF  = 0.261554   ;           0.26
    res at vpHeightF = 0.183088   ;           0.18

Of course, you might want to tweak these a bit.

See panel_39.ncl for an example:

http://www.ncl.ucar.edu/Applications/panel.shtml#ex39

--Mary




On Sat, Apr 8, 2017 at 11:09 AM, Geeta Geeta <geetag54 at yahoo.com> wrote:

> dear NCL users.
> I have got different sized panel plots even after setting
>  Plot(0)      =  gsn_csm_contour_map(WKS_FIG4,Z_fnl(:,:,68),res)
>     India_id(0)  =  gsn_add_shapefile_polylines(
> WKS_FIG4,Plot(0),IND_shape_fname,shpres)
>
>     delete(res at tmYLValues)
>     delete(res at tmYLLabels)
>
>     getvalues Plot(0)             ;  Chk mail dtd 13.12.2016 Adam
>       "vpWidthF" : vpw
>       "vpHeightF" : vph
>     end getvalues
>
> Dont know why is it so. Pl s suggest
>
> Geeta.
>
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