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Spherical camera for iray.

Posted By Warped Reality VFX 5 Years Ago
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Warped Reality VFX
Warped Reality VFX
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Would it be possible to add a spherical camera for iray or allow baking IBL? With iray as daz3d supports.
Or if there is another method I may be missing to let iray render 360-degree backgrounds.

Best Regards
Kevin L



Warped Reality VFX.
4u2ges
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That is very interesting! I did not know we could make 360 with Iray. Thanks for pointing that out.
While RL is thinking on a dilemma of integrating lens distortion feature into iClone, I would suggest to make an official FT entry for that.

But meantime, you might be interested to play with current release and manually add this feature:

* Do the Mi Export of any scene
* Add the following to the camera "Scene_camera_definition" section of the *.scene.mi file

    attribute string "mip_lens_distortion_type" "spherical"
    attribute scalar "mip_lens_distortion_scale" 10


Distortion type could be one of the the following:

"spherical"
"cylindrical"
"poly3"
"inv_poly3"
"poly5"
"inv_poly5"
"ptlens"
"inv_ptlens"

Distortion scale could be a positive or negative value (but I could not see much of the difference while playing with it)

There are some additional parameters listed in an Iray programmer's manual: http://raytracing-docs.nvidia.com/iray/manual/index.html#camera#14083

I only used the 2 options above and I got this render of the Loft scene:

https://forum.reallusion.com/uploads/images/20f9d1af-2244-4449-a213-3f66.jpg





Warped Reality VFX
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4u2ges Thank you very much this is all I really needed I will be studying the NVIDIA Iray — Programmer's manual tonight.
I didn't know this was available.
I really appreciate your response, I just tested it works as advertised awesome.Smile




               
 


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No problem Kevin. Knowing about your experience *deep diving* into Popcorn FX, I knew you would be interested Smile







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