[ncl-talk] help with vpXF, vpYF

[Laura Fowler]

Hi Xiaoming:

Thanks for your quick reply. I would really rather try to use gsn_panel. I
may just try an other way like using gsm_attach, or something like that.

Thanks again,
Laura






On Tue, Apr 16, 2019 at 1:07 PM xiaoming Hu <yuanfangcan at hotmail.com> wrote:

> Hello
>    You either use vpXF and vpYF   or use gsn_panel   to put different
> plots in a panel,   but don't use them together.
>    Using vpXF and vpYF (together with vpWidthF and vpHeightF) has more
> control on the way you put them together.
>
> Hope it helps
> Xiaoming
> ------------------------------
> *From:* ncl-talk <ncl-talk-bounces at ucar.edu> on behalf of Laura Fowler <
> laura at ucar.edu>
> *Sent:* Tuesday, April 16, 2019 1:39 PM
> *To:* Ncl-talk
> *Subject:* [ncl-talk] help with vpXF, vpYF
>
> Hello:
>
> I am trying to understand how the script panel_14.ncl is used to place the
> different panels, and the use of vpXF, vpYF, ...  I created the one row -
> one column panel plot (see attached rh.png). I had use vpXF and vpYF in
> order to see the right and left labels of the plots.  To get this panel
> plot, I also used gsnPanelDebug to output the location of the left and
> right panels (see output)..
>
> (0) There are 2 valid plots out of 2 total plots
>
> (0) -------Panel viewport values for each plot-------
>
> (0)     plot #0
>
> (0)     new x,y      = 0.0902846,0.85604
>
> (0)     orig wdt,hgt = 0.9,0.6
>
> (0)     new wdt,hgt  = 0.387752,0.258502
>
> (0) -------Panel viewport values for each plot-------
>
> (0)     plot #1
>
> (0)     new x,y      = 0.52,0.85604
>
> (0)     orig wdt,hgt = 0.9,0.6
>
> (0)     new wdt,hgt  = 0.387752,0.258502
>
> (0) -------min/max X,Y viewport positions for plots-------
>
> (0) min/max x viewport position = 0.0902846/0.52
>
> (0) min/max y viewport position = 0.85604/0.85604
>
> (0) -------min/max NDC values for all objects in panel-------
>
> (0) min/max x position = 0.00490188/0.975557
>
> (0) min/max y position = 0.563662/0.883103
>
> Then I decided to add a second row, but the plot looks very different from
> what I expected (see rh3.png). The figures are smaller, the labels are
> bigger although I specified (which really baffles me):
> res at vpWidthF                 = 0.387752
> res at vpHeightF                = 0.258502
>
> Here is the output of gsnPanelDebug with 2 columns and 2 rows:
>
> (0) There are 4 valid plots out of 4 total plots
>
> (0) -------Panel viewport values for each plot-------
>
> (0)     plot #0
>
> (0)     new x,y      = 0.0902846,0.85604
>
> (0)     orig wdt,hgt = 0.387752,0.258502
>
> (0)     new wdt,hgt  = 0.33008,0.220054
>
> (0) -------Panel viewport values for each plot-------
>
> (0)     plot #1
>
> (0)     new x,y      = 0.52,0.85604
>
> (0)     orig wdt,hgt = 0.387752,0.258502
>
> (0)     new wdt,hgt  = 0.33008,0.220054
>
> (0) -------Panel viewport values for each plot-------
>
> (0)     plot #2
>
> (0)     new x,y      = 0.0902846,0.57
>
> (0)     orig wdt,hgt = 0.387752,0.258502
>
> (0)     new wdt,hgt  = 0.33008,0.220054
>
> (0) -------Panel viewport values for each plot-------
>
> (0)     plot #3
>
> (0)     new x,y      = 0.52,0.57
>
> (0)     orig wdt,hgt = 0.387752,0.258502
>
> (0)     new wdt,hgt  = 0.33008,0.220054
>
> (0) -------min/max X,Y viewport positions for plots-------
>
> (0) min/max x viewport position = 0.0902846/0.52
>
> (0) min/max y viewport position = 0.57/0.85604
>
> (0) -------min/max NDC values for all objects in panel-------
>
> (0) min/max x position = -0.0361212/0.941489
>
> (0) min/max y position = 0.292702/0.902336
>
>
>
> Can somebody help me figure out or tell me what to do so that the 4 panel
> plots look like the 2 panel plots. I have spent a considerable amount of
> time doing this, and I am at loss. If interested the script (test.ncl, also
> attached is in
> /gpfs/fs1/scratch/laura/MPASprojects2018/MPAS.cu_shallow/novemberPUBLICATION/test/test.ncl.
>
>
> Many thanks for your suggestions.
> Laura
>
>
>
>
> --
>
> !-------------------------------------------------------------------------------------------------------------
> Laura D. Fowler
>
> Mesoscale and Microscale Meteorology Division (MMM)
> National Center for Atmospheric Research
> P.O. Box 3000, Boulder CO 80307-3000
>
> e-mail: laura at ucar.edu
> phone: 303-497-1628
>
>
> !-------------------------------------------------------------------------------------------------------------
>


-- 
!-------------------------------------------------------------------------------------------------------------
Laura D. Fowler

Mesoscale and Microscale Meteorology Division (MMM)
National Center for Atmospheric Research
P.O. Box 3000, Boulder CO 80307-3000

e-mail: laura at ucar.edu
phone: 303-497-1628

!-------------------------------------------------------------------------------------------------------------
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