This is one of the fastest-growing areas of surveying and an invaluable aid to modern resource planning and business.  The planning of projects is being revolutionised through the use of powerful new geographical information systems.

Taking advantage of the power of modern computers, information gathered from satellites, aerial photography and laser scanning, land title registers, consumer surveys and field surveys is assembled to show exactly where there are roads, pipes, legal boundaries, hills, hollows and all we need to know without actually being there.

 

For more information see this wiki.