Geographic data is often used and a necessary part for various tasks, examplescould be city planning, air-traffic control and navigation. In today’s modernworld computer systems are an integral part for accomplishing such tasks.

Consequently, software is required to handle geographic data.This report is a study of a number of map engines used in such software.The choice of which map engine to use for producing the desired software isimportant. A particular map engine might not live up to the requirementsset up.