[vtkusers] File compression using vtkZlibCompressor

[Henry J. Karpf]

I have files that are fairly large and it takes a while to read them. 
 When i resave them using compression they open much quiker.  Is there a 
way that i can avoid this process of writing my files, opening them adn 
then resaving them.  Like how do i write out automatically to a 
compressed file?  Any examples would be great.  Also when compressed how 
do you calculate the offsets in the appended data? Thanks.