question

Aleksandar Kocic avatar image
Aleksandar Kocic asked ·

aiSkyDomeLight and light groups

Hi,

mtoa 3.0.1, core 5.1.1.0

Something weird is going on when doing a batch rendering of a scene which has aiSkyDomeLight assigned to a light group. If for an AOV "All Light Groups" is checked, said light group does not come out. It is there in RenderView, but not in a output file. Heres example:

aiSkyDomeLightShape:

aiAOV_RGBA:

Arnold RenderView:

Output EXR layers:

On the last image, you can see EXR file opened in RV and clearly "RGBA_sky" light AOV is missing even though light group was specified and All Light Groups for RGBA AOV was checked. Other light AOVs get exported properly.

Any ideas why?

mtoaarnold5skydome
skydomebug1.png (24.5 KiB)
skydomebug2.png (12.1 KiB)
skydomebug3.png (8.7 KiB)
skydomebug4.png (7.4 KiB)
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Adrian Williams avatar image
Adrian Williams answered ·

Hey @Alexander Lee,

Uncheck the "AOV Indirect" on your Skydome light:


And that will now fix the Problem you have and allow your dome light to go into the custom AOV.


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Aleksandar Kocic avatar image
Aleksandar Kocic answered ·

Actually, no. SkyDome light contribution goes into default light AOV no matter what you do.

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Aleksandar Kocic avatar image
Aleksandar Kocic answered ·

Interestingly enough, specifying groups explicitly, outputs everything properly:


skydomebug5.png (3.3 KiB)
skydomebug6.png (6.3 KiB)
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Aleksandar Kocic avatar image
Aleksandar Kocic answered ·

It should be noted that "RGBA_default" light AOV seen in last image is not, in fact, the missing "RGBA_sky". This is just a layer that gets contributions from the lights that dont have group assigned.

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