[ncl-talk] panel plot, each with their own colormap
Rick Brownrigg
brownrig at ucar.edu
Mon Aug 6 10:37:11 MDT 2018
Hi Laura,
I don't have an answer for why the one plot is so much larger than the
others.
I wonder however, if you might be able to use the following resource to
specify a layout of (/1, 2, 2/), and let gsn_panel() do the spacing:
*gsnPanelRowSpec* By default, the *gsn_panel*
<http://ncl.ucar.edu/Document/Graphics/Interfaces/gsn_panel.shtml> routine
panels its plots according to the *dims* variable which indicates rows x
columns. If you set *gsnPanelRowSpec*
<http://ncl.ucar.edu/Document/Graphics/Resources/gsn.shtml#gsnPanelRowSpec>
to True, however, then you can use the *dims* variable to indicate the
number of plots you want per row. For example, setting *gsnPanelRowSpec*
<http://ncl.ucar.edu/Document/Graphics/Resources/gsn.shtml#gsnPanelRowSpec>
to True and *dims* to (/2,3,1/) will put 2 plots in the first row, 3 plots
in the second row, and 1 plot in the third row.
Default: False
I don't knwo for certain whether this will work, but might be worth a shot.
Rick
On Fri, Aug 3, 2018 at 2:36 PM, Laura Fowler <laura at ucar.edu> wrote:
> Hello:
>
> I followed panel_26.ncl to create 3 panels plots below each other, each
> set with their own colormap (see attached file totPREC.dec2015.png). Now, I
> would like to do the same thing, but with only one TMPA map centered at the
> top of the figure (see tentative figure test.png).
>
>
> For both the 6 and 5 panel plots, I used:
>
> resP = True
>
> resP at gsnMaximize = True
>
> resP at gsnDraw = False
>
> resP at gsnFrame = False
>
> resP at gsnPanelLabelBar = True
>
>
> pplots = gsn_panel_return(wks,plots(0:1),(/1,2/),resP)
>
> bb = NhlGetBB(pplots)
>
> height = max(bb(0:1,0)) - min(bb(0:1,1))
>
> print("--- bb(0) = "+bb(0:1,0))
>
> print("--- bb(1) = "+bb(0:1,1))
>
> print("--- height = "+height)
>
>
> ;--- using height value, now we can panel all sets of plots:
>
> resP at gsnDraw = True
>
> resP at gsnMaximize = True
>
> resP at gsnPanelTop = 1.0
>
> resP at gsnPanelBottom = resP at gsnPanelTop - height
>
>
> For the 6 panel plot, I used the loop:
>
> do n = 0,nplots-1,2
>
> gsn_panel(wks,plots(n:n+1),(/1,2/),resP)
>
>
> ;---Set for the next panel call.
>
> resP at gsnPanelMainString = ""
>
> resP at gsnPanelTop = resP at gsnPanelBottom - 0.02
>
> resP at gsnPanelBottom = resP at gsnPanelTop-height
>
> end do
>
> frame(wks)
>
>
> wheres for the 5 panel plot, I used the loop:
>
> do n = 0,nplots-1,2
>
> print("--- n = "+n)
>
> if(n .eq. 0) then
>
> gsn_panel(wks,plots(0:0),(/1,1/),resP)
>
> else
>
> gsn_panel(wks,plots(n-1:n),(/1,2/),resP)
>
> end if
>
> resP at gsnPanelMainString = ""
>
> resP at gsnPanelTop = resP at gsnPanelBottom - 0.02
>
> resP at gsnPanelBottom = resP at gsnPanelTop-height
>
> end do
>
> frame(wks)
>
>
> I do not understand why the second plot of the second column is so much
> bigger than the one on the left side and the two plots for the third row?
> Can somebody help me figure this out?
>
>
> Many thanks,
> 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
>
> !-----------------------------------------------------------
> --------------------------------------------------
>
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