Adobe 23101335 User Guide - Page 284
Converting auto-slices to user-slices, Converting layer-based slices to, user-slices
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274 CHAPTER 10 Designing Web Pages Layer-based slices are especially useful when working with rollovers. Start by placing the rollover element on a separate layer, and then create a slice from that layer. If you apply an effect to the layer-such as a drop shadow or glow- to create a rollover state, the slice automatically adjusts to encompass the new pixels. However, do not use a layer-based slice when you plan to move the layer over a large area of the image during an animation, because the slice dimension may exceed a useful size. (See "Working with rollovers (ImageReady)" on page 292.) To create a slice from a layer: 1 Select a layer in the Layers palette. 2 Choose Layer > New Layer Based Slice. Converting auto-slices to user-slices You can move, duplicate, combine, divide, resize, delete, arrange, align, and distribute user-slices. You can also apply different optimization settings to user-slices. In contrast, all auto-slices in an image are linked and share the same optimization settings. This is because auto-slices are regenerated every time you create or edit a user-slice or layerbased slice. Converting an auto-slice to a user-slice prevents it from being changed when regeneration occurs. Dividing, combining, linking, and setting options for auto-slices automatically converts them to user-slices. To convert an auto-slice to a user-slice: 1 Select an auto-slice. In ImageReady, you can select multiple slices. (See "Selecting slices" on page 276.) 2 Do one of the following: • (Photoshop) Click Promote to User Slice in the options bar. • (ImageReady) Choose Slices > Promote to User-slice(s). Converting layer-based slices to user-slices Because a layer-based slice is tied to the pixel content of a layer, the only way to move, combine, divide, resize, and align it is to edit the layer. You can convert a layer-based slice to a user-slice to unlink it from the layer. To convert a layer-based slice to a user-slice: 1 Select a layer-based slice. In ImageReady, you can select multiple slices. (See "Selecting slices" on page 276.) 2 Do one of the following: • (Photoshop) Click Promote to User Slice in the options bar. • (ImageReady) Choose Slices > Promote to User-slice(s).