Things to Know About Adjustment Layers

Here's some helpful information about adjustment layers:

  • Adjustment layers affect all layers below but do not affect any layers above.

  • Bitmap, Indexed Color, and Multichannel modes do not support adjustment layers.

  • All files types that support layers allow you to save adjustment layers: Photoshop, TIF, EPS. JPEG does not, so if you are preparing a Web image using adjustment layers, save a copy in another file format.

  • All of the following can be applied as adjustment layers: Solid Color, Gradient, Pattern, Levels, Curves, Color Balance, Brightness/Contrast, Hue/Saturation, Selective Color, Channel Mixer, Gradient Map, Photo Filter, Invert, Threshold, Posterize. The different types of adjustment layers overlap somewhat. For example, Brightness/Contrast, Levels, and Curves are all used for tonal correction; they come with ascending capability and complexity. I'm going to concentrate on Curves and Hue/Saturation as my preferred methods of adjusting tone and color in an image. For the most part, I find these two powerhouses give me all the options I need.

Adobe PhotoShop Unmasked. The Art and Science of Selections, Layers, and Paths
Adobe Photoshop Unmasked: The Art and Science of Selections, Layers, and Paths
ISBN: 0321441206
EAN: 2147483647
Year: 2004
Pages: 93
Authors: Nigel French

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