That tool shares a flyout with the Slice Select tool, which you use to move and scale slices.ĭraw a rectangle around the portion of the image that you want to slice into an independent image Shift+drag to constrain the shape of the slice to a square. Press the K key to select the Slice tool (highlighted in Figure 14-26), which lets you draw slices. Photoshop provides two slice tools, one for drawing slices and one for editing them. In the figure, a total of four slices (two user and two auto) are needed to build the entire image. The remaining blocks are auto slices, which Photoshop creates automatically to fill in the gaps around the user slices. The two blocks marked in blue are the user slices, the ones that were drawn manually, using the Slice tool. Illustrated in Figure 14-26, slices are rectangular containers that act like children's building blocks, each of which contains just enough of the original graphic to fit together into a seamless whole. When all of the sliced chunks load, their finished appearance looks just like the unsliced original ” in fact, unless the individual slices appear one at a time, or if the site visitor checks the HTML source code (by choosing View Source from the browser menu), the fact that the image is made up of slices is invisible to the site visitor. By slicing a large image into rectangular chunks, you can make a large image load faster, because each chunk is actually a smaller image file that loads more quickly than the whole image would if you left it intact. If your Web graphic is going to be big (in terms of its width and height), or if parts of it should serve as links to different pages within your site (or to other Web sites entirely), you may want to slice the image.
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