Octane rendering nothing?

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greg.thoman
Licensed Customer
Posts: 132
Joined: Thu Apr 08, 2010 7:59 pm

I don't understand what's happened...
I was rendering 4096*4096 just fine and every once in a while it doesn't render anything. I'm not sure why this happens. It loads the data to the cards, but there is no activity.
Any thoughts?
AMD Phenom II X6 3.2 || 12 GB DDR3
GTX 480 1.5GB X 3 Liquid Cooled
RaidMax 1000W PSU || Corsair 850W PSU
MSI NF890-G65 Mainboard || Windows 7 64 Bit
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greg.thoman
Licensed Customer
Posts: 132
Joined: Thu Apr 08, 2010 7:59 pm

I found that it has to do with the alpha channel toggle in the mesh preview kernel. Can someone explain this? :?
AMD Phenom II X6 3.2 || 12 GB DDR3
GTX 480 1.5GB X 3 Liquid Cooled
RaidMax 1000W PSU || Corsair 850W PSU
MSI NF890-G65 Mainboard || Windows 7 64 Bit
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abstrax
OctaneRender Team
Posts: 5510
Joined: Tue May 18, 2010 11:01 am
Location: Auckland, New Zealand

greg.thoman wrote:I found that it has to do with the alpha channel toggle in the mesh preview kernel. Can someone explain this? :?
Is it possible, that you run out of memory? The film buffer with an additional alpha channel requires more memory. Does that also happen at lower resolutions?

Cheers,
Marcus
In theory there is no difference between theory and practice. In practice there is. - Yogi Berra
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greg.thoman
Licensed Customer
Posts: 132
Joined: Thu Apr 08, 2010 7:59 pm

I see. I was taking into account the film buffer, but didn't put any thought into the additional alpha channel. I wasn't even intending on rendering with alpha, it was enabled for some reason.

Thanks for your insight!
AMD Phenom II X6 3.2 || 12 GB DDR3
GTX 480 1.5GB X 3 Liquid Cooled
RaidMax 1000W PSU || Corsair 850W PSU
MSI NF890-G65 Mainboard || Windows 7 64 Bit
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