[ncl-talk] Shorter dashes on error bar lines in scaled-down boxplot?

[Adam Phillips]

Hi Tabish,
Unfortunately it is not as easy as it should be. To alter the dash pattern
you will have to take the boxplot function tfrom shea_util.ncl:
$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl
Copy the boxplot function to a new file, change the file name to
boxplot2.ncl, change the function name to boxplot2, and load the new
boxplot2.ncl at the top of your script.

Within the new boxplot2.ncl function, you will see lines like this:
polyres at gsLineDashPattern = 0
...
polyres at gsLineDashPattern = 1

You are going to want to change the latter to a different tick mark style
from this table:
https://www.ncl.ucar.edu/Document/Graphics/Images/dashpatterns.png

Alternatively you can create your own dash pattern using NhlNewDashPattern:
http://www.ncl.ucar.edu/Document/Functions/Built-in/NhlNewDashPattern.shtml

Hope that helps!
Adam



On Wed, Jul 10, 2019 at 12:51 PM Tabish Ansari via ncl-talk <
ncl-talk at ucar.edu> wrote:

> Hi
>
> I have a boxplot panelled with a time-series plot. For better fit, I had
> to scale it down to match the height of the time-series panel. Every part
> of the boxplot has scaled down nicely but the spacing between error bars is
> still according to the original size figure - which makes the dashes too
> big for the scaled down plot.
>
> Is there a way I can use shorter dashes for the error bars?
>
> Thanks
>
> Tabish
>
> Tabish U Ansari
> PhD student, Lancaster Environment Center
> Lancaster Univeristy
> Bailrigg, Lancaster,
> LA1 4YW, United Kingdom
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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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