[vtkusers] How suitable is VTK for 'live' display during an experiment?

[Andrew Gregory]

I am planning an experiment that will involve raster scanning in two dimensions using motors, typically with 200 points in both X and Y directions.
At each point in the scan I would like to plot a pixel in a colour given by a measured signal. The experiment will be quite slow so pixels should be plotted 'live', i.e. during the experiment rather than afterwards.

Can anyone tell me if VTK is a good choice for this problem - or recommend something more suitable? 
Is there a demonstration script that uses 'live' plotting of pixels.

Python is my preferred programming language, preferably with Tkinter or GTK+.
I've never used VTK and know little about it, but I could not find an answer to this question in a quick search of the archives. 

Andrew.

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