Re: Minor adjustments to a panel plot

From: Marston Johnston <shejo284_at_nyahnyahspammersnyahnyah>
Date: Tue Aug 27 2013 - 14:23:43 MDT

Thanks Adam,

That did the trick!

/M

On Tue, Aug 27, 2013 at 9:14 PM, Adam Phillips <asphilli@ucar.edu> wrote:

> Hi Marston,
> OK, I see the problem. NCL sets aside space for each panel based on the
> size of the first panel (by default). You are turning on your YLLabels for
> the first panel, and then turning them off for each subsequent panel. NCL
> is setting aside space for each panel based on your first panel, which is
> larger than all the other panels due to the YLLabels being turned on. You
> need to set resP@gsnPanelScalePlotIndex = 2 (or 3 or 4). See example #24
> here:
> http://www.ncl.ucar.edu/Applications/panel.shtml#ex24
>
> Doing this might cause the YLLabels of your first plot to get shoved off
> of the page. If that happens, you should set resP@gsnPanelLeft to leave
> some room on the left-hand side of the frame for the labels to appear.
> Adam
>
> On 08/27/2013 12:35 PM, Marston Johnston wrote:
>
> Hi Adam,
>
> I'm sorry, I made a mistake when responding. I did as you advised.
> Here's my code, the plotting part, plus a copy of the fig.
>
> ;************************************************
>
>
> ; create plots
>
>
> ;************************************************
>
>
> wks = gsn_open_wks("pdf","./output/"+ename(n)) ; open a ps
> file
>
> gsn_define_colormap(wks,"gui_default")
>
>
> plot = new((/1*dimsizes(ret&time)/),graphic) ; create a plot array
>
>
>
>
>
> res = True
>
>
> res@gsnDraw = False ; don't draw
>
>
> res@gsnFrame = False ; don't advance frame
>
>
> res@cnInfoLabelOn = False ; turn off cn info label
>
>
> res@cnFillOn = True ; turn on color
>
>
> res@gsnSpreadColors = True ; spread out color table
>
>
> res@gsnSpreadColorStart = 2
>
>
> res@gsnSpreadColorEnd = -3
>
>
> res@lbLabelBarOn = False ; turn off individual cb's
>
>
> res@gsnAddCyclic = False ; lons are not 0-360
>
>
> res@tmXBLabelsOn = True ; draw bottom labels
>
>
> res@tmXBOn = True ; bottom tickmarks
>
>
> res@gsnStringFontHeightF = fsize; 0.07
>
>
> res@tmYRLabelsOn = False ; no right labels
>
>
> res@tmYROn = False ; no right tickmarks
>
>
>
> ; now change the size of the tickmark labels
>
>
> res@tmXBLabelFontHeightF = fsize ;0.07 ; resize tick
> labels
>
> res@tmYLLabelFontHeightF = fsize ;0.07
>
>
> ; add the longitude labels
>
> res@tmXBMode = "Explicit"
>
>
> res@tmXBValues = (/-10,0,10/)
>
>
> res@tmXBLabels =
> (/"","",""/);(/"-10~S~o~N~","0","10~S~o~N~"/)
>
> res@tmYLMode = "Explicit"
>
>
> res@tmYLValues = (/-10,0,10/)
>
>
> res@tmYLLabels = (/"-10~S~o~N~","0","10~S~o~N~"/)
>
>
> res@gsnStringFontHeightF = fsize ; 0.07
>
>
> res@gsnCenterStringOrthogonalPosF = fsize ; 0.07
>
>
> res@tiYAxisOn = False
>
>
> res@cnLevelSelectionMode = "ManualLevels" ; manually set contour
> levels
>
>
> if(vname(n).eq."uthece" .or. vname(n).eq."uthamsu") then
>
>
> res@cnMinLevelValF = 20. ; set the minimum contour
> level
>
> res@cnMaxLevelValF = 100. ; set the maximum contour
> level
>
> res@cnLevelSpacingF = 5.
>
>
> end if
>
> do p = 0, dimsizes(ret&time) - 1
>
>
> res@gsnCenterString = flt2string(ret&time(p))+"h"
>
>
> if(p.gt.0) then
>
>
> res@tmYLLabelsOn = False ; left Y label
>
>
> res@tmYLOn = False
>
>
> else
>
>
> res@tmYLLabelsOn = True
>
>
> res@tmYLOn = True
>
>
> end if
>
>
> plot(p) = gsn_csm_contour(wks,ret(p,:,:),res)
>
>
> end do
>
>
>
>
>
> resP = True ; modify the panel plot
>
>
> resP@gsnFrame = False ; don't advance panel
> plot
>
> resP@gsnPanelLabelBar = True ; add common colorbar
>
>
> resP@gsnPanelBottom = 0.05
>
>
> resP@gsnPaperOrientation = "auto"
>
>
> resP@gsnMaximize = True
>
>
> resP@gsnPanelXWhiteSpacePercent = 0.0 ; set spacing horizontal
> between 2 panels
>
> resP@lbTitleOn = True ; turn on title
>
>
> resP@lbLabelFontHeightF = .005 ; make labels larger
>
>
> resP@lbTitleString = lunits(n)
>
>
> resP@lbTitleFontHeightF = .009 ; make title smaller
>
>
> resP@pmLabelBarOrthogonalPosF = -0.013 ; Move the colorbar
> lower down
>
> gsn_panel(wks,plot,(/1,dimsizes(ret&time)/),resP)
>
>
>
>
>
> /M
>
>
>
> On Tue, Aug 27, 2013 at 5:18 PM, Adam Phillips <asphilli@ucar.edu> wrote:
>
>> Hi Marston,
>> To be clear, I advised you to set tiYAxisOn = False (in the plot resource
>> list), and not tiXAxisOn.. If you are setting tiYAxisOn = False, and still
>> are not seeing the desired results please go ahead and send the script to
>> ncl-talk..
>> Adam
>>
>>
>> On 08/27/2013 08:32 AM, Marston Johnston wrote:
>>
>> Hi Adam,
>>
>> I take it this tiXAxisOn is part of the options for the single plots
>> and not the panel itself?
>> I tried as you suggested but to no avail.
>>
>> Would you like to see the code?
>>
>> /M
>>
>>
>> On Tue, Aug 27, 2013 at 4:00 PM, Adam Phillips <asphilli@ucar.edu> wrote:
>>
>>> Hi Marston,
>>> In panel example 6 gsnPanelXWhiteSpacePercent was set in the resP
>>> (=panel) resource list.. Are you saying that you set the same resource to 0
>>> in the panel resource list and you are still not getting rid of enough
>>> white space? If so, try setting tiYAxisOn= False (tells NCL to not allocate
>>> space for the y-axis title) in your plot resource list to see if that frees
>>> up any further space.
>>>
>>> If you still are not getting the desired results let NCL talk know..
>>> Adam
>>>
>>> On Aug 27, 2013, at 1:38, Marston Johnston <shejo284@gmail.com> wrote:
>>>
>>> Hi Adam,
>>>
>>> Thanks for the tips. I found the panel plot page but got a bit lost in
>>> the many examples. I got all but the white space to work. In the example,
>>> the resP variable is set to False, but that is not a good option for me as
>>> I would like to do other things with the plots than simply remove the white
>>> space. Setting the percentage of whitespace in the x-axis direction to 0
>>> didn't give the desired results.
>>>
>>> /M
>>>
>>>
>>> On Mon, Aug 26, 2013 at 6:20 PM, Adam Phillips <asphilli@ucar.edu>wrote:
>>>
>>>> Hi Marston,
>>>> Whenever I have a question related to paneling I will first take a look
>>>> at the paneling examples page located off of the examples page here:
>>>> http://www.ncl.ucar.edu/Applications/
>>>> ("Panel plots", located along the left side of page 1/2 down.)
>>>> Of course not everything is covered with the examples, but I usually
>>>> find what I need on that page. The answers for your 1st and 4th questions
>>>> can be found on that page.
>>>>
>>>>
>>>> 1.) I would like the colorbar to be lower so that the label on the
>>>> X-axis (bottom) to be plotted and seen.
>>>> You should set pmLabelbarOrthogonalPosF in your panel resource list.
>>>> See example #21 here:
>>>> http://www.ncl.ucar.edu/Applications/panel.shtml#ex21
>>>>
>>>>
>>>> 2.) How do I label the longitude (x-axis) similarly to the latitude
>>>> (y-axis) label, i.e., (-10W 0 10E)?
>>>> You will want to set tmXBMode = "Explicit", and then set
>>>> tmXBValues = (/-10,0,10/) and tmXBLabels = (/"10W","0E","10E"/). This
>>>> example (#2) modifies the x-axis labels for a timeseries plot, but the
>>>> usage of the above resources is the same:
>>>> http://www.ncl.ucar.edu/Applications/tickmarks.shtml#ex2
>>>> or, see example #6 here:
>>>> http://www.ncl.ucar.edu/Applications/mptick.shtml#ex6
>>>>
>>>>
>>>> 3.) How do I increase the spacing between the
>>>> gsnLeft/Center/RightString (s) and the top axis?
>>>> gsnLeftStringOrthogonalPosF / gsnCenterStringOrthogonalPosF /
>>>> gsnRightStringOrthogonalPosF
>>>> To see an example of their use, see example 3 here:
>>>> http://www.ncl.ucar.edu/Applications/raster.shtml#ex3
>>>>
>>>>
>>>> 4.) How do I reduce the whitespace between the plots?
>>>> gsnPanelXWhiteSpacePercent
>>>> See example #6 here:
>>>> http://www.ncl.ucar.edu/Applications/panel.shtml#ex6
>>>>
>>>> Hope that helps!
>>>> Adam
>>>>
>>>>
>>>> On 08/26/2013 09:59 AM, Marston Johnston wrote:
>>>>
>>>> Hi,
>>>>
>>>> I'm trying to make a few minor adjustments to the attached panel
>>>> plot, but to no avail. I'm not sure where to look.
>>>>
>>>> 1.) I would like the colorbar to be lower so that the label on the
>>>> X-axis (bottom) to be plotted and seen.
>>>> 2.) How do I label the longitude (x-axis) similarly to the latitude
>>>> (y-axis) label, i.e., (-10W 0 10E)?
>>>> 3.) How do I increase the spacing between the
>>>> gsnLeft/Center/RightString (s) and the top axis?
>>>> 4.) How do I reduce the whitespace between the plots?
>>>>
>>>> I've included the code and the plot I currently have.
>>>>
>>>> Thanks for your help,
>>>> /M
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>> --
>>>> ______________________________________________________________
>>>> Adam Phillips asphilli@ucar.edu
>>>> NCAR/Climate and Global Dynamics Division (303) 497-1726
>>>> P.O. Box 3000
>>>> Boulder, CO 80307-3000 http://www.cgd.ucar.edu/cas/asphilli
>>>>
>>>>
>>>
>>>
>>> --
>>> Only the fruitful thing is true!
>>>
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>>>
>>
>>
>> --
>> Only the fruitful thing is true!
>>
>>
>> --
>> ______________________________________________________________
>> Adam Phillips asphilli@ucar.edu
>> NCAR/Climate and Global Dynamics Division (303) 497-1726
>> P.O. Box 3000
>> Boulder, CO 80307-3000 http://www.cgd.ucar.edu/cas/asphilli
>>
>>
>
>
> --
> Only the fruitful thing is true!
>
>
> _______________________________________________
> ncl-talk mailing list
> List instructions, subscriber options, unsubscribe:http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
>
> --
> ______________________________________________________________
> Adam Phillips asphilli@ucar.edu
> NCAR/Climate and Global Dynamics Division (303) 497-1726
> P.O. Box 3000
> Boulder, CO 80307-3000 http://www.cgd.ucar.edu/cas/asphilli
>
>

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Received on Tue Aug 27 14:24:00 2013

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