Focal Length bug

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G. Host application version, including build number if available (i.e. 3ds Max 2016 Build 18.0)
H. A detailed description of the issue and steps to reproduce it (Include Screenshots or video capture), as well as an example scene if applicable.
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Deltaproxy
Licensed Customer
Posts: 12
Joined: Sun Apr 16, 2017 6:25 pm

Hi there

bug experienced in rendering a scene with a camera that has Focal Lenght (C4D camera) of value "9".
No value below "10" is actually working for some reason. Tried many walkarounds (e.g keyframing 9 each frame of the project),
but seems like the only frame that renders fine is the first, all the other frames queued they snap back to a different Focal automatically
(only in Octane Live Viewer and in render, in c4d Viewport is just fine).

Me and a colleague have experienced a bug on different PC versions of Cinema4D and plugin
(my versions are written below, my mate's were C4D R20, Octane 2019).

Any tips on this issue?

F

Win10
2 x RTX 2080ti
64 GB DRAM
Octane 2020.1_XB3-R2
Nvidia Studio Driver 442.19
Cinema 4D R21.115
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aoktar
Octane Plugin Developer
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Any scene, please!
Octane For Cinema 4D developer / 3d generalist

3930k / 16gb / 780ti + 1070/1080 / psu 1600w / numerous hw
frankmci
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Location: Washington DC

I just did a quickie test, and see similar results. I'm guessing it's the other end of this issue:
viewtopic.php?f=9&t=73958&p=377807#p377807

So apparently Octane has a 10-1200 Focal Length range limit. Based on the previous thread, it's an SDK problem, not a Plugin problem.
Attachments
ShortFocalLength.c4d.zip
Camera Focal Length < 10 = Unhappy
(62.55 KiB) Downloaded 229 times
Animation Technical Director - Washington DC
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aoktar
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frankmci wrote:I just did a quickie test, and see similar results. I'm guessing it's the other end of this issue:
viewtopic.php?f=9&t=73958&p=377807#p377807

So apparently Octane has a 10-1200 Focal Length range limit. Based on the previous thread, it's an SDK problem, not a Plugin problem.
Yes, it seems like limited in 10-1200. It can be seen from octanerender interface. So this is not a bug, limitation.
Attachments
a1.jpg
Octane For Cinema 4D developer / 3d generalist

3930k / 16gb / 780ti + 1070/1080 / psu 1600w / numerous hw
Deltaproxy
Licensed Customer
Posts: 12
Joined: Sun Apr 16, 2017 6:25 pm

aoktar wrote:
frankmci wrote:I just did a quickie test, and see similar results. I'm guessing it's the other end of this issue:
viewtopic.php?f=9&t=73958&p=377807#p377807

So apparently Octane has a 10-1200 Focal Length range limit. Based on the previous thread, it's an SDK problem, not a Plugin problem.
Yes, it seems like limited in 10-1200. It can be seen from octanerender interface. So this is not a bug, limitation.
Thanks Aoktar,

its a pretty problematic limitation for the type of work I have to do - is there any possible walk-around for this issue?

Thanks,

F
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bepeg4d
Octane Guru
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Hi,
the issue should have been fixed in 2020.1-RC2 SDK, could you try with that version, and report back?
  • Fixed slider and value bounds on the "fov" and "focal length" camera nodes.
ciao Beppe
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galleon27
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Worked just fine for me in 2020.1 RC2.
Downloaded the example file frankmci posted and it rendered correctly.
Win 10 64bit // GTX 4090 + GTX 3090 // 5900x // 64GB // SideFX Houdini // C4D
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