plotting with Python

[Rolf Wester]

Hi,

I have a Python console application that is intended to be used 
interactively and I have to add plotting capabilities (multiple XY plots 
and if possible 2D-surface plots). I'm loocking for a reasonably fast 
plotting library (not GPL'ed, needs not be for free) that can be used 
under Windows. An alternative would also be a standalone application 
that can be controlled via TCP/IP from my Python application. I tried 
matplotlib but this is not fast enough (especially under Windows). I 
considered PyQwt but this is GPL'ed. So I would be very appreciative for 
any help.

With kind regards

Rolf Wester