[ncl-talk] panel plot, each with their own colormap

Soma Roy somaroy892 at gmail.com
Thu Aug 9 07:53:58 MDT 2018


Thanks!

On Thu, Aug 9, 2018, 19:16 Laura Fowler <laura at ucar.edu> wrote:

> Hi Soma:
>
> As I wrote in an e-mail yesterday, I was able to solve the issues that I
> had with the panel plot, thanks to Rashed and Rick. Attached is the script
> I used.
> Thanks,
> Laura
>
>
>
> On Thu, Aug 9, 2018 at 5:39 AM, Soma Roy <somaroy892 at gmail.com> wrote:
>
>> Can you please share your final script for the panel plot settings?
>>
>> Thanking you,
>> Soma
>>
>> On Wed, Aug 8, 2018, 21:25 Soma Roy <somaroy892 at gmail.com> wrote:
>>
>>> Can you share your script?
>>>
>>> Thanks,
>>> Soma
>>>
>>> On Wed, Aug 8, 2018, 21:20 Laura Fowler <laura at ucar.edu> wrote:
>>>
>>>> Hi Rashed and Rick:
>>>>
>>>> Thanks to Rashed's suggestion, I was finally able to make it work. The
>>>> last issue I had was that I was not giving the correct cnMinValueF and
>>>> cnMaxValueF for plot(3). This was the final reason why the very bottom
>>>> label bar was not correct. I am attaching the final png file (see
>>>> test2.png).
>>>>
>>>> I really would like to thank you for your help and interest for the
>>>> last couple of days. You have been so helpful.
>>>>
>>>> Many thanks,
>>>> Laura
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Aug 7, 2018 at 1:23 PM, Rashed Mahmood <rashidcomsis at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi Laura,
>>>>> Could you please share full script or the part that has ALL resources?
>>>>> It seems that all plots are being created with same contour levels?
>>>>>
>>>>> Cheers,
>>>>> Rashed
>>>>>
>>>>> On Tue, Aug 7, 2018 at 12:15 PM, Laura Fowler <laura at ucar.edu> wrote:
>>>>>
>>>>>> Hi Rashed:
>>>>>>
>>>>>> Many thanks for your suggestion. I really appreciate you taking an
>>>>>> interest in my very pesky problem! Following your idea helped removed the
>>>>>> "big" plot in the second row of the panel, but it now shifted the label bar
>>>>>> for the second row to the third row. If you compare test.png and
>>>>>> totPREC.dec2015.png, then you will see that the bottom row is the same as
>>>>>> that for the second row, which is not what I expected (see
>>>>>> totPREC.dec2015.png where the panels for the top row are the same and not
>>>>>> centered.)
>>>>>>
>>>>>> Great idea though. At this time, I'd tried anything.Thanks.
>>>>>> Laura
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Aug 7, 2018 at 10:59 AM, Rashed Mahmood <
>>>>>> rashidcomsis at gmail.com> wrote:
>>>>>>
>>>>>>> Hi Laura,
>>>>>>> I think the problem lies with this line:
>>>>>>>  pplots = gsn_panel_return(wks,plots(0:1),(/1,2/),resP)
>>>>>>>
>>>>>>> Changing the above line with the following should solve your problem:
>>>>>>>  pplots = gsn_panel_return(wks,plots(1:2),(/1,2/),resP)
>>>>>>>
>>>>>>>
>>>>>>> hope that helps!
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Rashed
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Aug 6, 2018 at 12:17 PM, Laura Fowler <laura at ucar.edu>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi Rich:
>>>>>>>>
>>>>>>>> Thanks for your suggestion. I did think of using gsnPanelRowSpec,
>>>>>>>> but this won't work since I am using the same color bar for the first and
>>>>>>>> second row but a different color bar for the third row instead of one color
>>>>>>>> bar for all the rows.That is the reason I decided to follow what is done in
>>>>>>>> panel_26.ncl.
>>>>>>>>
>>>>>>>> It looks like there is some kind of resizing in the second call to
>>>>>>>> gsn_panel but I have no idea how this happens either. Not sure what to to
>>>>>>>> try next.
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Laura
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Mon, Aug 6, 2018 at 10:37 AM, Rick Brownrigg <brownrig at ucar.edu>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> 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
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> ncl-talk mailing list
>>>>>>>>>> ncl-talk at ucar.edu
>>>>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>>
>>>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>>>> 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
>>>>>>>>
>>>>>>>>
>>>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> ncl-talk mailing list
>>>>>>>> ncl-talk at ucar.edu
>>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> !-------------------------------------------------------------------------------------------------------------
>>>>>> 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
>>>>
>>>>
>>>> !-------------------------------------------------------------------------------------------------------------
>>>> _______________________________________________
>>>> ncl-talk mailing list
>>>> ncl-talk at ucar.edu
>>>> List instructions, subscriber options, unsubscribe:
>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>
>>>
>
>
> --
>
> !-------------------------------------------------------------------------------------------------------------
> 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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