[ncl-talk] Legend in panel plot

[Mary Haley]

Hi,

To create a common labelbar for the paneled plots, first you need to turn
off the individual labelbar that gets generated for each plot:

res at lbLabelBarOn = False

Then, turn on the pnanel labelbar with:

  resP at gsnPanelLabelBar    = True             ; add common colorbar

--Mary



On Sun, Aug 21, 2016 at 3:21 AM, jagan TNAU <jagan at tnau.ac.in> wrote:

> Hello Mary,
>
> Thanks for the input. I was able to create plot with explicit values with
> equivalent description using "Explicitlevels" and "Boxcentres" for single
> plots. However I am unable to create single lablelbar for the PANEL plots.
> Is there any additional resources I need to add for doing the same.
> Attached script produces label bar for all the plots as seen in the
> attached chart. I want a common label bar for all the panel plots
>
> On Fri, Aug 19, 2016 at 10:06 PM, Mary Haley <haley at ucar.edu> wrote:
>
>>
>> Hi,
>>
>> The issue is that by default, the labels on the labelbar are drawn in
>> "InteriorEdges" mode, and you want to use "BoxCenters" mode.
>>
>> Please see the second frame in example lb_14.ncl at:
>>
>> http://www.ncl.ucar.edu/Applications/labelbar.shtml#ex14
>>
>> I think all you need is:
>>
>>   res at lbLabelAlignment = "BoxCenters"
>>   res at lbLabelStrings      = (/"Arid","Semi-arid","Mediterr
>> anean","Semi-humid","Humid","Very Humid","Extremely Humid"/)
>>
>> You may also want to look at the "classification data" examples page:
>>
>> http://www.ncl.ucar.edu/Applications/classification.shtml
>>
>> and in particular, example "permafrost_1.ncl", which has an explicitly
>> labeled labelbar.
>>
>> --Mary
>>
>>
>> On Fri, Aug 19, 2016 at 9:36 AM, jagan TNAU <jagan at tnau.ac.in> wrote:
>>
>>> Dear NCL users,
>>>
>>> I am trying a panel plot of Aridity Index of a specific regions with its
>>> sub divisions. The original script was provided to me by Mary. There is no
>>> issue in generating panel plots. However, I want to display contour levels
>>> as there is a suggested classification for the Aridity Index as below
>>>
>>> Arid   0-10
>>> Semi-arid 11-20
>>> Mediterranean 21-24
>>> Semi-humid 25-28
>>> Humid 29-35
>>> Very Humid 36-55
>>> Extremely Humid > 56
>>>
>>> Through cnLevels resource and "ExplicitLevels" I was able to set levels
>>> like res at cnLevels = (/0.,10.,20.,24.,28.,35.,55./). But I did not find
>>> any examples that can use the range as above and use the legend class like
>>> Arid, Semi Arid etc and not merely numbers.
>>>
>>> Is it possible to create plots with legend with classification name as
>>> above. Please find attached the script and plot I have created.
>>>
>>> --
>>> With regards
>>>
>>> Dr.R.Jagannathan
>>> Professor & Former Dean
>>> Tamil Nadu Agricultural University
>>> Coimbatore - 641 003 India
>>>
>>> PHONE:  Mob: +91 94438 89891
>>>
>>> DO NOT PRINT THIS E-MAIL UNLESS NECESSARY. THE ENVIRONMENT CONCERNS US
>>> ALL.
>>>
>>> _______________________________________________
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>>>
>>
>
>
> --
> With regards
>
> Dr.R.Jagannathan
> Professor & Former Dean
> Tamil Nadu Agricultural University
> Coimbatore - 641 003 India
>
> PHONE:  Mob: +91 94438 89891
>
> DO NOT PRINT THIS E-MAIL UNLESS NECESSARY. THE ENVIRONMENT CONCERNS US ALL.
>
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