Adobe 23101335 User Guide - Page 283

ADOBE PHOTOSHOP 6.0 273 User Guide layer-based slices. Auto-slices are regenerated every time you add or edit user-slices or layer-based slices. User-slices, layer-based slices, and auto-slices look different-user-slices and layer-based slices are defined by a solid line, while auto-slices are defined by a dotted line. A subslice is a type of auto-slice that is generated when you create overlapping slices. Subslices indicate how the image will be divided when you save the optimized file. Although subslices are numbered and display a slice symbol, you cannot select or edit them separately from the underlying slice. Subslices are regenerated every time you arrange the stacking order of slices. Creating user-slices You can create user-slices with the slice tool, and in ImageReady, from a selection or from guides. To create a slice with the slice tool: 1 Select the slice tool ( ). Any existing slices automatically display in the document window. 2 Choose a style setting in the options bar: • Normal to determine slice proportions by dragging. • Constrained Aspect Ratio to set a height-towidth ratio. Enter whole numbers or decimals for the aspect ratio. For example, to create a slice twice as wide as it is high, enter 2 for the width and 1 for the height. • Fixed Size to specify the slice's height and width. Enter pixel values in whole numbers. 3 Drag over the area where you want to create a slice. Shift-drag to constrain the slice to a square. Alt-drag (Windows) or Option-drag (Mac OS) to draw from the center. Use snap to align a new slice to a guide or another slice in the image. (See "Moving and resizing user-slices" on page 277.) To create a slice from a selection (ImageReady): 1 Select a portion of the image. 2 Choose Slices > Create Slice from Selection. ImageReady creates a user-slice based on the selection marquee. If the selection is feathered, the slice covers the full selection (including the feathered edges). If the selection is nonrectangular, the slice covers a rectangular area large enough to cover the full selection. To create slices from guides (ImageReady): In an image containing guides, choose Slices > Create Slices from Guides. All slices created from guides are user-slices. When you create slices from guides, any existing slices are deleted. Creating layer-based slices When you create a slice from a layer, the slice area encompasses all the pixel data in the layer. If you move the layer or edit the layer's content, the slice area automatically adjusts to encompass the new pixels.