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Rendering with Arnold in Houdini and Solaris using the HtoA plug-in.
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Light - Transmission & Cam Contribution

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Message 1 of 3
am_wilkins
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Light - Transmission & Cam Contribution

Hi,

I've noticed that the light types "Spot, Mesh, Distant, Photometric" don't allow for control over "Camera & Transmission" contribution. ie. they're disabled by default

contributions.jpg


While Camera isn't super important on these lights, I could imagine that "Transmission" is.
Any reason why these are disabled?


Thanks,
Andrew


Houdini FX Version 18.5.596 - Python 3
HtoA 5.6.3.0
Arnold 6.2.1.1

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Message 2 of 3
Stephen.Blair
in reply to: am_wilkins

Most of those don't have geometric representation in Arnold. Mostly there just a few parameters that drive sampling. Even a mesh light isn't an emissive mesh (mtoa fakes "mesh light visible" by making the associated mesh visible and assigning a shader).



// Stephen Blair
// Arnold Renderer Support
Message 3 of 3
am_wilkins
in reply to: Stephen.Blair

Ok, thanks!

I could've sworn it was available in Maya, but I see it also isn't—memory didn't serve me correctly there! 🙂


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