Intersecting Alpha with displacement

Maxon Cinema 4D (Export script developed by abstrax, Integrated Plugin developed by aoktar)

Moderators: ChrisHekman, aoktar

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joecurrie
Licensed Customer
Posts: 28
Joined: Wed Aug 05, 2015 8:00 pm

Hi,

I am having an issue with two planes that intersect and create a thin black line in areas the alpha is making invisible. I have tried adjusting ray epsilon and this only occurs when displacement is on. When increasing ray epsilon the gap increases. Attached below some screen grabs with descriptions to illustrate. I know it is very small visibly however these images will be viewed at high res.

Using the latest stable octane plugin and standalone.

Thanks in advanced for any ideas/help.
Attachments
Ray epsilon increased
Ray epsilon increased
close up of gap
close up of gap
Showing thin gap in rendered image
Showing thin gap in rendered image
Image showing C4d viewport of intersecting planes
Image showing C4d viewport of intersecting planes
Mac OS X 10.11.4 - Cinema 4D R17 | Geforce GTX980 + 980ti | 32GB
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bepeg4d
Octane Guru
Posts: 10323
Joined: Wed Jun 02, 2010 6:02 am
Location: Italy
Contact:

Hi joecurrie,
if you don't want to change the ray epsilon value, then you need to scale down your geometry.
Probably the planes are too big :roll:
ciao beppe
joecurrie
Licensed Customer
Posts: 28
Joined: Wed Aug 05, 2015 8:00 pm

Hi Beppe,

Thanks for the reply. The geometry isn't too large approx 100cm I think. The second screen grab in my first post is the ray epsilon value set to the minimum it will go. Is there anything else that can be done?

Thanks
Mac OS X 10.11.4 - Cinema 4D R17 | Geforce GTX980 + 980ti | 32GB
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