(open) [HOU-3267] Alembic visibility intrinsics ignored

[bender83]

We have some alembic caches with invisible geo - I can use

setprimintrinsic(geoself(), "abcusefullvisibility", @primnum, 1, "set"); setprimintrinsic(geoself(), "abcusevisibility", @primnum, 0, "set");

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and this will change viewport visibility, but unfortunately has zero affect on the object's renderability.

[bdancer]

So, the primitive should not render if abcusefullvisibility=1 and abcusevisibility=0? This is possible to implement.

[Dubbie99]

This would be very useful for us.

[bender83]

Actually it's the other way around
when abcusevisibility == 0, it will simply display all hidden geometry in scene.
So when it's set to 0 - the primitive SHOULD render, it presently does not.

So if you set this : setprimintrinsic(geoself(), "abcusevisibility", @primnum, 0, "set") and render - we should see all geometry (made visible in the viewport by setting the intrinsic to 0) in-render also
This is the same as unchecking the 'use visibility' attribute on the alembic SOP.



I've realised in this case the 'abcusefullvisibility' is actually redundant.


This is the same as

[bdancer]

I think I'll need a hip file with this Alembic...

[bender83]

hipfile attached, made in H18.5.759

[bdancer]

Could you pls also add .abc file?

[bender83]

alembic attached

[bdancer]

Todays nightly already contain the fix, could you pls try it?

[bender83]

Ill see if I can get pipeline to pull it down soon, thank you!

[bender83]

Pipeline are pulling this down for me now -I'll have an answer soon.

Sorry it's taken so long.

[bender83]

That works!

Thanks bdancer

[bender83]

Additional behavior modification needed: On packed geometry - the use visibility doesnt toggle viewport display when the alembic node is by default set to Alembic Delayed Load Primitives. If you unpack and toggle the Use Visibility attribute it will toggle- but as soon as you pack again - it will lock the node display tot he current state regardless of the 'Use Visibility' state. The render however will reflect the visibility settings set by the intrinsic. so there's a mismatch between viewport and render.

[bender83]

Bump... Any progress on this new behavior?

[bdancer]

I'm sure I understand the issue... Which "Use Visibility" are you talking about? We have no control over the viewport of Houdini...