[ncl-talk] Symbol of circumference ratio

[Guido Cioni]

See here http://www.ncl.ucar.edu/Applications/eqn.shtml <http://www.ncl.ucar.edu/Applications/eqn.shtml>

Something like this should work:

res at tmXBLabel = "~F33~p~F~/2"

Explanation:
~ is the symbol that tells NCL to change the font
F33 is the font table corresponding to greek letters (http://www.ncl.ucar.edu/Document/Graphics/font_tables.shtml <http://www.ncl.ucar.edu/Document/Graphics/font_tables.shtml>)
p corresponds to pi into the aforementioned font table
~F switch to the normal font again

Cheers

Guido Cioni
http://guidocioni.altervista <http://guidocioni.altervista/>.org

> On 22 Dec 2016, at 05:14, Cheung <zuibeidemei at 126.com> wrote:
> 
>   Dear NCL:
>                      I need to display the symbol of circumference ratio (Pi) in the axis of a plot, say
>  
>                          res at tmXBLabels                 = (/" Pi/2"/)
>  
>                      how can I do that?
> 
>    Best
>    Cheung
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