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2010 2 Jan

How To Use The Magic Wand In Adobe Photoshop CS4

no comment Posted by catering

If you want to select a subject against a uniform background such as a wall or the sky, a simple trick is to use the magic wand to select the background and then invert the selection by choosing Select – Inverse. A slight variation on this technique is to make a rough selection which completely encloses the subject as well some of the background and then to use the Magic Wand in subtract mode to remove the background from the selection.

You can control the number of pixels which the Magic Wand selects when you click on part of the image by changing a setting called tolerance. Tolerance determines how far a pixel can vary from the pixel that you click on and still be included in the selection. The default tolerance is 32 and the maximum is 255.

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2009 28 Nov

Marquee Tool Techniques In Adobe Photoshop CS4

no comment Posted by catering

The behaviour of the Marquee tool can be modified in the options toolbar. You can switch from Normal mode to Constrained or Fixed Size. Thus, for example, if you were creating a series of images which all need to have a 4 by 3 aspect ratio, you could choose the Constrained option and enter 4 for the with and 3 for the height. Each selection you make with the Marquee tool will then automatically have this shape.

In addition to the elliptical and rectangular shape, the Marquee tool flyout menu also allows you to choose “Single Row” and “Single Column”. In this mode, simply clicking on any part of the image creates a selection one pixel high or wide going right across the image. If you zoom in, you can hold down the Shift key and click again to make it two pixels, three pixels, etc This mode is sometimes useful when restoring old photographs to select a crease in the original photograph prior to using the cloning tools to remove the flaw.

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“If you ever have to steal money from your kid, and later on he discovers it's gone, I think a good thing to do is to blame it on Santa Claus”
by Jack Handy