HDRI/Environment Lighting

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Old 02 February 2011   #1
Question HDRI/Environment Lighting

Hi,
I've never attempted any kind of HDR or environment lighting before and am really interested in getting stuck in now as I'm starting do work more and more with 3D objects in Nuke.

To clarify, I have absolutely no idea how to successfully build an environment lit scene as of yet.
I recently spotted an application called http://www.hdrlightstudio.com/, which looks incredible!
Perhaps I'm barking up the wrong tree here, but it looks to offer a great way to build your lighting system externally with or without HDRIs, and then export an EXR or HDRI to bring into (in my case) Nuke to use as an environment light map perhaps?

However, even if this package does exactly that and is perfect for my needs, unfortunately it's Windows only. and I'm a Mac guy

If anyone has any advice as to what work flow I could adopt to start learning about environment lighting, I would be eternally grateful.

Many many many thanks in advance!
Chaz
 
Old 02 February 2011   #2
You can hook up an hdri to an environment light in Nuke, but you need a reflective shader attached to all your geometry.

You can build hdri files in Nuke. There is a nice bracketing plugin in Jack's J'ops called J_MergeHDR.

http://major-kong.blogspot.com/2010...-jmergehdr.html
http://www.nukepedia.com/gizmos/plugins/other/j_ops/

there are some tuts about creating environment maps here
http://www.thefoundry.co.uk/product...tion-workflows/
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-deke
 
Old 02 February 2011   #3
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