splitting an archive with pyAlembic

[Shyal Beardsley]

Hi,

I'm trying to extract animated nodes from an archive, and save them out into a separate archive.

How would you split an archive with pyAlembic? 

Say an archive that contains 2 xforms with samples, with 1 mesh under each xform, potentially also containing animated samples.

top

 |

 |

 xform1 -> polymesh1

 |

 xform2 -> polymesh2

 

Let's say I just want to extract xform1 -> polymesh1 from the archive.

I know how to go over the entire hierarchy, and recreate the xforms and poly meshs in an oarchive, as I encounter those nodes, and recreate all their samples while copying the values from the other etc.

But that sounds like a very long-winded way to go about it. Is there an easier method?

Regards,

Shyal

[Ryan Galloway]

This sounds like a potential use case for cask, a higher level wrapper for PyAlembic:

http://docs.alembic.io/python/cask.html

Extracting objects should be straight-forward:

http://docs.alembic.io/python/cask.html#hierarchy-manipulation

Another example from the unit tests:

http://code.google.com/p/alembic/source/browse/python/examples/cask/test/testCask.py#212

FYI, I have a couple of bug fixes since the last release (1.5.5) here:

http://code.google.com/r/rsgalloway-dev/

Ryan

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[Shyal Beardsley]

Thanks Ryan. Really worked a treat.

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