On Nov 16, 2007 2:54 PM, Mark Bakker <[EMAIL PROTECTED]> wrote:
> Erik -
>
> You write that adding a 'save' is difficult.
> I can see it is involved, but don't quite see how it is specifically 
> difficult.
> The way I see it, every item that is added to a figure needs a method
> to write itself to a file. So you loop through all lines, polygons,
> and such, and write them to a file. I am sure you guys have thought
> about this, and maybe have a much better approach.

Last time we looked at it, there were problems pickling CXX extension
code, and in particular our transformations objects were deeply nested
CXX objects.  In the transforms branch, they will be pure python and
numpy, and we can revisit the issue again when the branch is folded
into the trunk.

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