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Rendering with Arnold in Houdini and Solaris using the HtoA plug-in.
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user_data returning null

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Message 1 of 4
Anonymous
227 Views, 3 Replies

user_data returning null

I am trying to get an integer value into a shader. No matter what I do it is always returning default values. Attached is what I assume is everything correct. I can't find a way to debug this with arnold, as it does not seem to mention anything about it in the logs.


screenshot-2021-02-04-121225.png

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Message 2 of 4
nic.birmingham
in reply to: Anonymous

https://docs.arnoldrenderer.com/display/A5AFHUG/User+Data

you should Add Arnold Properties to the geo (tab > Arnold > Add Arnold Properties). Go to the Attributes tab and type primitive_id into primitive Attributes.

Message 3 of 4
Anonymous
in reply to: nic.birmingham

It is already there and I have been exporting all attributes

1612438584230.png

Message 4 of 4
Anonymous
in reply to: nic.birmingham

Actually you're right, putting an asterisk doesnt export all the attributes for some reason, but naming each one does. Thank you

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