Tuesday, February 22, 2011

Adobe Photoshop Channel and Quick Mask Options

The Channel Options dialogue box and the Quick Mask Options dialogue box allow you to control the colour of a mask and whether the protected or unprotected area of the image is coloured with the overlay.

1. To change channel options, double-click the alpha channel name. Alternatively, with the alpha channel selected, use the Channel Options.

2. In the Channel options dialogue box you can enter a new name for the channel. You can also choose Selected Areas to reverse the way in which the colour will apply, in other words, masked (protected) areas will appear white, while the selection area (unprotected) will appr black.


3. To change the colour used to represent the masked (protected) area and its opacity, click the Colour box and choose anew colour form the Colour Picker.

4. To change the settings for a quick mask, double-click either the Quick Mask Mode icon or the Standard Mode icon, then make the appropriate changes in the dialogue box that appears.

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