offset animation for cached file node

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Tim Van Helsdingen had a great tutorial where he offset the animation of the copies of a alembic file feeding a copytopoints. The attrwrangle looked like this:
setprimintrinsic(0,"abcframe",@ptnum,t,"set");

It works fantasic, however I would like to do the same thing for a file node (cached) that has vdb data. Is this possible?

thanks
Phil
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similar, load it as Packed Disk Sequence and then
setprimintrinsic( 0, "index", @primnum, frame );
Tomas Slancik
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tamte
similar, load it as Packed Disk Sequence and then
setprimintrinsic( 0, "index", @primnum, frame );

Thanks it did work, however, loading as a packed disk sequence Redshift did not render the vdb. And as you pointed out, loading all geometry does not allow it to be offset. I feel awfully close.
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