Adobe 23101335 User Guide - Page 233
Restricting blending to channels, Photoshop, choices are C, M, Y, and K. When using an RGB
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ADOBE PHOTOSHOP 6.0 223 User Guide 3 In the Layer Options palette (ImageReady) or the Layer Style dialog box Blending Options panel (Photoshop), choose one of the knockout options: • Shallow to knock out to the first possible stopping point such as the bottom of the layer set or clipping group containing the knockout option. • Deep to knock out to the background layer or to the first mandatory stopping point. For example, a mandatory stopping point is the bottom of the layer set containing the layer using knockout, when the layer set uses a blend mode other than Pass Through. If there is no background layer, Deep knocks out to transparency. 4 Select additional knockout options: Blend Interior Effects as Group and Blend Clipped Layers as Group. There are a number of options that define possible and mandatory stopping points for knockout. Layer sets and clipping groups are possible stopping points for knockout. The blending mode of a layer or layer set and the option Blend Clipped Layers as Group also affects knockout. For layer sets containing a layer using knockout, knockout stops immediately beneath the layer set if the layer blending mode is not set to Pass Through. Otherwise, it stops before the background. Other layers can still knock through the entire layer set regardless of its blending mode. For clipping groups, knockout stops above the base of the clipping group when Blend Clipped Layers as Group is selected. However, it stops just below the base of the clipping group when Blend Clipped Layers as Group is not selected. Africa text with shallow knockout to lion layer and deep knockout to background Restricting blending to channels (Photoshop) You can restrict blending to changing only data from specified channels when blending a layer or layer set. By default, all channels are included when blending a layer or layer set. The channel selections vary based on the type of image you are editing. For example, if you are editing a RGB image, the channel choices are R, G, and B. If you are editing a CMYK image, the channel choices are C, M, Y, and K. When using an RGB