[Qt-interest] zoom function for Qwt plot

[Matthias Pospiech]

Ian Thomson schrieb:
> Hi.
>
> I've heard that if you look into the archive of the qwt list, you should 
> find some example code from Matthias.
>
>   
Even if he should not find a complete code example there is lots of 
discussion.
I could post a full working example, but I only want to post 100 lines 
of code on a list where everybody is interested in the code...

Matthais