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Part VIII: Power Photoshop > Illustrator and Photoshop

Illustrator and Photoshop

Adobe Illustrator is primarily a vector illustration program. It does an excellent job of working with raster images, such as those produced by Photoshop, but that is not its primary focus. Photoshop is an image editor, designed to work with raster images. It uses vector type and can simulate vector objects using layer clipping paths, but its forte is working with raster images. The two programs are designed to do different jobs, but there is some overlap between their capabilities. Each is the best at its own job, and each is certainly more than merely capable in the crossover areas. (A full exploration of Illustrator 10's capabilities is available in Special Edition Using Adobe Illustrator 10, Que Publishing, 2002.)

Between Vector and Raster

Vector file formats record artwork as objects. Each object is described mathematically in relationship to the other objects in the file. Starting point, shape, stroke, fill, and effects are among the data recorded. Because these descriptions are independent of the size of the page, vector art can be scaled to any size and maintain its sharpness and appearance.


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