You mean in Lua, right?
Best,
Scuri
Em seg, 28 de mai de 2018 17:11, Johann Philippe <johannphili...@yahoo.fr>
escreveu:
> Thank you Antonio.
> I don't find the way to draw manually using CD inside the plot (created
> with iupplot). The plot.CANVAS returns that the actual canvas name is "CD"
> (as a string), but the CD variable returns nil.
>
> Could you explain how to draw in background, using postdraw_cb and CD
> drawing method ?
>
> Le lundi 28 mai 2018 à 13:11:58 UTC+2, Antonio Scuri <
> antonio.sc...@gmail.com> a écrit :
>
>
> > I need to interact with the callback with only one of those two
> datasets. Is that possible ?
>
> Only manually testing inside the callback.
>
> > Or is there a way to draw in the "background"
>
> You can use the PREDRAW_CB, POSTDRAW_CB callbacks, but everything must
> be manually drawn with CD.
>
> Best,
> Scuri
>
>
> 2018-05-27 13:18 GMT-03:00 Johann Philippe via Iup-users <
> iup-users@lists.sourceforge.net>:
>
> Dear all,
> I'm using IupPlot, and having a small issue here. I have two datasets, and
> i wish one of them could be not responding to FindSample function. I need
> to interact with the callback with only one of those two datasets. Is that
> possible ?
>
> Or is there a way to draw in the "background" of the plot, like drawing a
> curve that is not interacting with callbacks, but can be change
> algorithmically ?
>
> Thanking you in advance
>
> Johann
>
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