meaning of graphical image of a map
1. graphical image of a map. Layers of data are organised to be studied and to perform statistical analysis i. e. a layer of customer locations could include fields for Name, Address, Contact, Number, Area. Uses are primarily government related, town planning, local authority and public utility management, environmental, resource management, engineering, business, marketing, and distribution. GIS dictionary http://www. geo. ed. ac. uk/root/agidict/html/welcome. html. http://www. ncl. ac. uk/~ngraphic/wotzagis. html.