>>>>> "Juerg" == Juerg Schmidli <[EMAIL PROTECTED]> writes:

    Juerg> Hi I have four-dimensional data stored in a netcdf file and
    Juerg> want to create an isosurface visualization for each time
    Juerg> step in the file (>100 times) and save the resulting image
    Juerg> as a PNG-file.

    Juerg> The problem is that after a few iterations I run out of
    Juerg> memory. How do I correctly destroy the tvtk and mayavi
    Juerg> objects which I have created before entering into the next
    Juerg> iteration?

Can you try again now after you update from SVN?  I think I may have
fixed a potential cause of the problem.  You may also want to do

import gc
gc.collect() 

a few times to collect reference cycles.

prabhu


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