Vector vs Raster Graphice

What is the difference between vector and raster graphics?

Answer: The difference between vector and raster graphics is that raster graphics arecomposed of pixels, while vector graphics are composed of paths. A raster graphic, such asa gif or jpeg, is an array of pixels of various colors, which together form an image. A vectorgraphic, such as an .eps file or Adobe Illustrator? file, is composed of paths, or lines, that areeither straight or curved. The data file for a vector image contains the points where thepaths start and end, how much the paths curve, and the colors that either border or fill thepaths. Because vector graphics are not made of pixels, the images can be scaled to be verylarge without losing quality. Raster graphics, on the other hand, become "blocky," since eachpixel increases in size as the image is made larger. This is why logos and other designs aretypically created in vector format -- the quality will look the same on a business card as itwill on a billboard.

Created: May 23, 2004

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