Terry Reedy wrote: > What sort of numbers are the coordinates? If integers in a finite range, > your problem is a lot simpler than if float of indefinite precision.
Yes, indeed, I could optimize the amount of data required to store the data itself, but that would require application-specific handling of the data, which is actually not what I want to learn about. If it was that, I'd use a language where I have lower-level access to the system. ;) Thanks nonetheless! Uli -- http://mail.python.org/mailman/listinfo/python-list