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Removing Edge Fringe When Collaging

 

Any time you’re creating a collage, you’ll eventually add an image that has little white pixels around the edges of your object. Here’s a tip for getting rid of that “fringe.” Go under the Layer menu, under Matting, and choose Defringe. Try the default setting of 1 pixel and click OK. What this does (here’s the techno speak) is replace the edge pixels with a combination of the pixel colors in your object and the colors in the background (whew, that hurt). That usually does the trick. If it doesn’t, Undo it, then try a 2- or 3-pixel Defringe.

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Once You’re In CMYK Mode, Stay There

You’ve read some techniques in this chapter that require you to be in either RGB mode or Lab Color mode; however, if for any reason your image is already in CMYK mode, do not (I repeat, do not) convert to RGB or Lab mode for any reason. Once you’ve converted to CMYK mode, the data loss from the conversion has already occurred, and switching back to RGB mode won’t bring back those lost colors. What’s worse is, if you switch from CMYK to RGB (or Lab), when you convert back to CMYK mode, you’ll go through another CMYK conversion and damage your image even more. The moral of this story is-once you’re in CMYK mode, stay there.

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