Updating ABC archive

[Jamil Halabi]

Hi

I'm the lead dev. of OTOY's Sculptron

I'm trying to implement Alembic in a way that I would only update the positions cache of a specific loaded mesh without touching other things, and write out a modified copy of the whole archive.

Is there some kind of a way to do it?

[Lucas Miller]

Yes, although there isn't a direct utility to do this in C++, the copy
logic would look like:

https://github.com/alembic/alembic/blob/master/bin/AbcConvert/AbcConvert.cpp#L150

And you would just substitute in your points from the mesh in place of
the one from the original mesh.

Lucas

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