Use fake ies on walls in photoshop?

[heni30]

Anyone know of a technique to put ies scallops on walls in Photoshop? You can render the pattern you want using white on black but what happens after that in photoshop?

 

Thanks.

[Corey Beaulieu]

I would imagine that you then use the "Screen" or "Add (Linear Dodge)" blending mode to make the black disappear and the light shape stay. You can then pin a Hue/Saturation Adjustment layer to it for coloration or you can just play with the opacity to control the intensity. Or Both.

[Ernest Burden III]

That's a fantastic idea! There are a few IES viewer apps that render a preview. Oh, and use Screen mode, low opacity.

[Fooch]

black layer , set on colour dodge.. paint anything you like on it. control transperancy and light bleed via fill not opacity

[heni30]

Here's a tutorial I found:

 

http://psd.tutsplus.com/tutorials/tutorials-effects/how-to-create-a-realistic-ies-lighting-effect-in-photoshop/

Haven't had a chance to go over it in detail.

 

One idea I had was to take the white scallop shape and use it only as a selection tool with the wand; then make a copy of that portion of your wall. So you would have a piece of your wall, say wood, in the shape of your ies pattern WITH color and texture of the wall - then play with that. Will give it a try.

Edited August 24, 2012 by heni30

[M V]

I have gone as far as rendering a few of my favorite ies files projecting on to a black blank wall and taking that render file and turning each into a brush in Photoshop. Takes 15 min and then saves you hours down the road!

 

I bet you could even find a bunch of these already made on Devianart.

[bindunarayan]

One of the best ways of lighting all your scenes in an organic way is to use IES lights. In general, IES lights are most commonly utilized in case of indoor or interior architecture renders. Using fake IES lights on walls in Photoshop is a great idea indeed, and I really admire it.

[M V]

Here is a set of files that could easily be turned into PS brushes. http://www.sketchupartists.org/downloads/?did=27