Introduction to fundamental principles of geographic information systems (GIS). Applications, data structures and basic functions of GIS. GIS computer programs are used to demonstrate basic GIS functions. Lecture 2 hours, laboratory 2 hours. Prerequisites: ESC 4650 or GEOG 4650 or department head approval. May be registered as ESC 4660. Credit not allowed in both GEOG 4660 and ESC 4660. Laboratory/studio course fee will be assessed.