[ncl-talk] Modifying a boxplot diagram's x-axis

[Adam Phillips]

Hi Alan,
The boxplot function was made to be flexible, and thus should accept most
if not all relevant resources thrown its way.

You are right to focus in on your xdata_BOX_ALL array. (In your script this
equals the input X-axis center value for each box.) However, you also
likely need to modify your opti_all at boxWidth resource (=width of boxes in
x-axis units).

For instance, if you set things this way:
xdata_BOX_ALL array = (/1,2,3,4/)
opti_all at boxWidth = 0.25
then each box would be 0.25 units wide centered around x-axis values of 1,
2, 3, and 4.

However, if you set things this way:
xdata_BOX_ALL array = (/1,2,3,4/)
opti_all at boxWidth = 0.90

There would be very little space (=.1) between each box as the first box
will go from 0.55 to 1.45 along the x-axis, the second from 1.55 to 2.45,
etc..

I just tested the above in a toy script I have here and I was able to
reduce the space between the boxes.

Hope that's helps. If not, let ncl-talk know..
Adam









On Tue, May 19, 2015 at 3:30 PM, Alan Rhoades <alan.m.rhoades at gmail.com>
wrote:

> Hello,
>
> I'm trying to modify a boxplot diagram (see attached *.pdf image) so that
> the x-axis doesn't take up as much room (i.e., make the boxes tighter
> together by eliminating the spacing in between them).  I've tried several
> different things, but none seem to work.  I've attached the script to this
> email (unfortunately the data file is large and can't be attached too).
> I'm assuming that there is an NCL resource that I haven't yet tapped into
> that can do the trick.
>
> Here is an example of what I've tried so far to scale the x-axis values
> (using fspan), but unfortunately didn't work...
>
> xdata_BOX_ALL = fspan(1,xdata_num_BOX_ALL,15)
>
> ...changing the above to...
>
> xdata_BOX_ALL = fspan(1,0.25*xdata_num_BOX_ALL,15)
> xdata_BOX_ALL = fspan(1,0.5*xdata_num_BOX_ALL,15)
>
> ...and I tried modifying some of the ncl resource options too, but I think
> the boxplot plotting function is a unique case and doesn't respond like
> other plots would.
>
> Any ideas on how to do this?  I may have missed a few plotting resources,
> so any insights are helpful.
>
> All the best,
>
> AR
>
> --
>
> *Alan Rhoades*
> *PhD Student, Atmospheric Science Graduate Group*
> *Climate Change Water and Society (CCWAS) NSF IGERT Trainee*
> *University of California, Davis*
> *LinkedIn <https://www.linkedin.com/pub/alan-rhoades/22/5bb/52a>*
> *alan.m.rhoades at gmail.com <alan.m.rhoades at gmail.com> *
> *amrhoades at ucdavis.edu <amrhoades at ucdavis.edu>*
>
> *"It’s all really there. That’s what really gets you. But you gotta stop
> and think about it to really get the pleasure about the complexity, the
> inconceivable nature of nature."*
> *Richard Feynman*
>
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-- 
Adam Phillips
Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
www.cgd.ucar.edu/staff/asphilli/   303-497-1726

<http://www.cgd.ucar.edu/staff/asphilli>
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