[Qt-interest] zoom function for Qwt plot

[Ian Thomson]

Hi.

I've heard that if you look into the archive of the qwt list, you should 
find some example code from Matthias.

Sujan Dasmahapatra wrote:
> Can u give some example code for zoom in/out of a QwtPlot
> 
> Kind Regards,
> Sujan Dasmahapatra