Applying a displacement map


show more Applying a displacement map provides you with in-depth training on Design. Taught by Deke McClelland as part of the Photoshop CS5 One-on-One: Advanced show less
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Applying a displacement map

All right, I have saved the result from the previous exercise as Saved selection.psd. It's found inside the 21_layer_FX folder and if you switch over to the Channels panel, you will see that we have a single channel called Alpha 1. In other words, all we have is an alpha channel separated from every other channel here inside of image. So just a floating alpha channel. What do we do with it? Well, it takes five steps to convert this image into a displacement map that we can use to distort the water droplets and here is how it works.

Step number one is to go up to the Image menu, choose mode, and choose Grayscale. Now this is not an essential step. It's just a really good idea. That converts this image from being an alpha channel which is fairly meaningless, an alpha channel by itself, to being a single channel grayscale image, and we saw a few examples of those back in chapter 18 when we were examining black and white and grayscale and all that jazz. So now this is a semi-normal image...

Applying a displacement map
Video duration: 7m 37s 26h 24m Intermediate Updated Aug 31, 2010

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Applying a displacement map provides you with in-depth training on Design. Taught by Deke McClelland as part of the Photoshop CS5 One-on-One: Advanced

Subjects:
Design Photography
Software:
Photoshop
Author:
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