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Rendering with Arnold in Houdini and Solaris using the HtoA plug-in.
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How to use an operator to override light settings in htoa

4 REPLIES 4
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Message 1 of 5
Anonymous
253 Views, 4 Replies

How to use an operator to override light settings in htoa

Hi there, I just discovered the functionality of Arnold operators in Houdini and was able to tweak some object parameters like 'ar_smothing', material assignment, etc but I was not able to override any Light parameters following the same principles, as well as changing a camera. What am I missing?

1631458197355.png


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4 REPLIES 4
Message 2 of 5
Slava_91
in reply to: Anonymous

delete "/*" on end in selection, this is not need for light sourcehoudini-djiixuz4uo.jpg

Message 3 of 5
Anonymous
in reply to: Slava_91

Thank you, it worked! But is it possible to change the camera the same way? Still doesn't work for me...

1631518476011.png

Message 4 of 5
Stephen.Blair
in reply to: Anonymous

The Arnold options node usually does not have a name (because there's just one options node in an Arnold scene).

And operators may or may not work on the options node, depending on what you are trying to set. The options have to be loaded before the rest of the nodes are processed.




// Stephen Blair
// Arnold Renderer Support
Message 5 of 5
Anonymous
in reply to: Stephen.Blair

Well, I thought of switching from one camera or angle of view to the other on the fly, during an IPR session, as you do in Katana. But here I guess you have to use a separate OUT node for each shot and each camera.

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