Camera Pixel Aspect Ratio

Houdini Integrated Plugin

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Razlael
Licensed Customer
Posts: 1
Joined: Sun Apr 26, 2020 12:56 pm

Is there a way to render with 2 px aspect ratio? I need to render some objects for compositing onto raw anamorphic footage, but Octane seems to ignore this specific camera setting.
Images attached to further illustrate the problem:

houdini camera set to the correct resolution with 2 px aspect ratio
houdini_g291G5c2o1.png
houdini_g291G5c2o1.png (6.42 KiB) Viewed 153 times

houdini viewport correctly showing the desqueezed image
houdini_fld0a32VDe.png

Octane IPR ignoring the 2px aspect ratio, showing the result "squeezed"
houdini_pvbREeLWb9.png

rendered EXR incorrect with 1px aspect ratio
djv_iGvb3ejqVv.png

I know it's possible with other engines, because I did it in RS for a previous project, but if it's possible, I would like to use Octane for this project.
Last edited by Razlael on Tue Jan 20, 2026 11:12 am, edited 1 time in total.
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dom_otoy
OctaneRender Team
Posts: 122
Joined: Mon Mar 17, 2025 9:33 pm

Hey there!
I will need to investigate this.
I think it should be possible, but could be that there is a bug here.
Happy Rendering!
Dom - Octane Houdini QA Engineer

:!: Btw did you know Octane has a discord? https://discord.gg/F4WENTG :!:
It's a great place to get very fast feedback or support from me and other Octane Houdini users.
I'd highly recommend it!
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