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Re: [ferret_users] Putting text on a figure that a value from a calculation in the script
Hello Paul,
Op do 07 jan 2016 11:41:16 CET schreef Paul:
> Is it possible to add a label/text to a figure that is the value of a
> calculation made in the script prior to plotting. For example, I
> would like to put the value of heat content on my figure where heat
> content is calculated previously in the same plotting script. I hope
> to eliminate the need to change the label text in the plotting script
> each time I tweak the calculation.
> I know that one can define a symbol and have the label place a string
> when called upon, ie
> def sym val = 0
> label "($val)"
> and 0 will be placed on the figure
>
> But this will not work if the defined symbol is an equation and
> wanting to have the answer placed on the figure.
> ... I hope this is clear.
I think defining a variable instead of a symbol would solve this. Then
Ferret would evaluate it when plotting. I'm not sure if that would be a
problem in your situation.
Otherwise, use backticks (see documentation where Paulo links to).
Apropos, I found the annotate command useful for adding labels.
Marco
--
Laboratoire des Sciences du Climat et l'Environnement (LSCE)
Tel: +33 1 6908 3876
http://www.lsce.ipsl.fr/Pisp/marco.van-hulten/
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