vector image

A digital image that is organized as a set of drawing instructions.

These instructions specify lines, shapes, colours, gradients, and even text.

A vector image can be reproduced at any size and its edges will remain crisp. Vector images are excellent for displaying maps, charts, diagrams, text, and line art.

However, vector images are not good at representing photographs or artwork with continuous, smooth colour changes.

In the EPUB e-book file format, vector images are normally included as SVG files.

Also see: bitmap image.