TAILIEUCHUNG - Adobe Photoshop 6.0- P11

Adobe Photoshop P11: Adobe Photoshop delivers powerful, industry-standard image-editing tools for professional designers who want to produce sophisticated graphics for the Web and for print. Included with Photoshop is ImageReady and its powerful set of Web tools for optimizing and previewing images, batch-processing images with droplets in the Actions palette, and creating GIF animations. Photoshop and ImageReady combined offer a comprehensive environment for designing graphics for the Web | 338 LESSON 13 Preparing Images for Two-Color Printing About spot colors Note the following when working with spot colors For spot color graphics that have crisp edges and knock out the underlying image consider creating the additional artwork in a page-layout or illustration application. To apply spot color as a tint throughout an image convert the image to Duotone mode and apply the spot color to one of the duotone plates. You can use up to four spot colors one per plate. See Printing color separations in the Photoshop User Guide Chapter 14 Printing. The names of the spot colors print on the separations. Spot colors are overprinted on top of the fully composited image. Each spot channel is overprinted in the order in which it appears in the Channels palette. You cannot move spot colors above a default channel in the Channels palette except in Multichannel mode. Spot colors can t be applied to individual layers. If you print an image that includes spot color channels to a composite printer the spot colors print as extra pages. You can merge spot channels with color channels splitting the spot color into its color channel components. Merging spot channels lets you print a single-page proof of your spot color image on a desktop printer. You can create new spot channels or convert an existing alpha channel to a spot channel. Like alpha channels spot channels can be edited or deleted at any time. -From Adobe Photoshop online Help Adding spot color You can add spot color to selected areas of an image in different ways with varying effects. For instance you can apply spot color to part of a grayscale image so that the selection prints in the spot color rather than in the base ink. Because spot colors in Photoshop print over the top of a fully composited image you may also need to remove the base color in an image when adding spot color to it. If you do not remove the base color it may show through the semitransparent spot color ink used in the printing process. .

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