Vector art differs from the type of digital image that most people are familiar with, which is a bitmap. A bitmap is made up of a grid of different colours that the eye sees as a picture. A vector image is defined by a mathematical formula representing curves and lines. Enlarging a bitmap can cause blurring as there is only so much information to work with; but not so with vector graphics. With a vector, the scale is recalculated using the math formulas to draw a new image for the chosen size.
This makes vector images very useful for large scale output or when you require very clean lines at an size.
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This page last updated 2006-08-15