Weird Ambient Occlusion

[Tassilo]

I'm quite new to AO, never really used it, so I'm surprised by it's behaviour in my first try. I set up a scene with a Distant light and 70% Ambient light. It includes some jetons and curled (bend modifier) cards.
As you can see in the attached image, the cards have got some black spots on them. These are not found on the texture itself and do not show up on non-AO renders.
Anyone ever experienced such and could help me?

Thanks a lot, merci beaucoup,
Tassilo

In the render room un-check interpolation.
Change light Quality from FAST to Good or Excellent and Accuracy to 2 pixels or better.

Or you can take a look at a tutorial I created.
http://digitalpainters.net/index.php...;topicseen#new

Ringo

Originally Posted by Tassilo

I'm quite new to AO, never really used it, so I'm surprised by it's behaviour in my first try. I set up a scene with a Distant light and 70% Ambient light. It includes some jetons and curled (bend modifier) cards.
As you can see in the attached image, the cards have got some black spots on them. These are not found on the texture itself and do not show up on non-AO renders.
Anyone ever experienced such and could help me?

Thanks a lot, merci beaucoup,
Tassilo

[Tassilo]

Ah, thanks, Ringo! It's been the Interpolation, as I tried higher light quality before. As soon as I set Interpolation to "Off", everything rendered fine.

Thank you,
Tassilo

Originally Posted by Ringo Monfort

In the render room un-check interpolation.
Change light Quality from FAST to Good or Excellent and Accuracy to 2 pixels or better.