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Rendering a fisheye'd scene

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Cristian van de Ven
Rendering a fisheye'd scene
on Feb 19, 2018 at 5:01:49 pm
Last Edited By Cristian van de Ven on Feb 19, 2018 at 5:03:17 pm

Hello everyone!

I'm currently working on a project where a camera with a fisheye lens flies dollies through a city street. I've attained the fisheye effect by pointing the camera at a 100% reflective sphere, with a single hole for the camera to peek though so it catches the inside of orb. Now this only allows for me to render the reflection of that orb and only that, since the actual geometry is not going to be caught by the camera. I was wondering if there's a different way to create a heavy fisheye effect, one that really warps the geometry. I've messed around with the cubic and quadratic distortion options on the camera itself, but they don't give me the kind of distortion that I'm looking for, but they do give me the freedom of different render passes, which is pretty essential to this project.

The level of distortion I'm trying to achieve looks like this:
https://cdn6.aptoide.com/imgs/6/e/c/6ec04df163c8667bcc2c2bae2098b458_screen...

Does anyone have any input on this matter? Is there an alternative way to create a heavily distorted fisheye scene? Perhaps it's best to render out the scene at a higher resolution than the the intended dimensions and add the distortion in post? I've searched google, and the only other option is to Child a Spherify deformer to the camera -- however, there's a bunch of object in the scene that aren't affected by it, so that rules out that option.

Anyway, any input is appreciated!

Cheers,

Cris


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Justin Thomson
Re: Rendering a fisheye'd scene
on Feb 20, 2018 at 3:21:37 pm

There is an old rig someone made for R11 I think.


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Justin Thomson
Re: Rendering a fisheye'd scene
on Feb 20, 2018 at 3:23:54 pm

http://cargocollective.com/yratof/downloads


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Adam Trachtenberg
Re: Rendering a fisheye'd scene
on Feb 20, 2018 at 7:41:05 pm

I haven't tried it, but perhaps this would work?
https://greyscalegorilla.com/2011/09/fisheye-camera-in-cinema-4d/


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