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Image as Light source

PostPosted: Tue Jun 20, 2017 1:42 pm
by Anthony Guild
Ive tried to find some info on this but what ive found has been rather vague and probably beyond my current Fusion level lol.

I wish to take an HDR image or any hires image for that matter and use that as a source to light my scene. I know it can be done, im just not sure the steps to do it so far without the image becoming a reflection on my models.

any thoughts?

Re: Image as Light source

PostPosted: Tue Jun 20, 2017 2:31 pm
by michael vorberg
AFAIK the only method to do image based lighting is a "hack" /trick
You can sample the image at different points and create a spotlight with the sampled color.
There is a comp/script available that uses that technique.
I will look for the link and repost it later

Re: Image as Light source

PostPosted: Tue Jun 20, 2017 8:24 pm
by michael vorberg
https://www.steakunderwater.com/VFXPedi ... mps/Fu5/3D

go down to the "Faking Global Illumination" entry, download the comp and have fun!