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Lesson 14. Combining Illustrator Graphic... > Vector versus bitmap graphics

Vector versus bitmap graphics

Adobe Illustrator creates vector graphics, also called draw graphics, which are made up of shapes based on mathematical expressions. These graphics consist of clear, smooth lines that retain their crispness when scaled. They are appropriate for illustrations, type, and graphics such as logos that may be scaled to different sizes.

Bitmap images, also called raster images, are based on a grid of pixels and are created by image-editing applications such as Adobe Photoshop. In working with bitmap images, you edit groups of pixels rather than objects or shapes. Because bitmap graphics can represent subtle gradations of shade and color, they are appropriate for continuous-tone images such as photographs or artwork created in painting programs. A disadvantage of bitmap graphics is that they lose definition and appear "jagged" when scaled up.


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