Creating A Rim Light Effect Using A Normal Pass In Photoshop

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Old 01 January 2013   #1
Creating A Rim Light Effect Using A Normal Pass In Photoshop

I looked around trying to find a good explanation somewhere of how to use a normal pass to create a rim light in Photoshop and really couldn't find anything useful.... so I went ahead and made my own reference to do it. It actually works quite well. Figured I'd share if anyone cares.

Old 01 January 2013   #2

Interesting. Never thought to use a normal map that way.

Old 01 January 2013   #3
Just tested this. It seems to work for a horizontal light going from left to right, but I can't seem to get it to go top and down. Nice technique though.
Old 01 January 2013   #4
it will work as a top simulated light, just set the channel mixer to 125,125,-200 and set the first HS adjustment layer to somewhere around green. This works with my sample files and a few others i've tried. I assume that this could potentially be different depending on your normal pass source as well since they are all a little different depending on application and use.
Old 01 January 2013   #5
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