A to Z GIS presents the most comprensive collection of GIS terms and illustrations to help students and professionals to help students and professionals understand and use th special language of GIS in research, field studies and real world applications. With definations written, developed and contributed by more than 150 subject matter experts, the book is packed with: more thaan 1800 terms, nearly 400 full color illustrations and seven encyclopedia style appendix articles about annotations and labels, features, geometry, layers in arcGIS, software map projections and coordinate systems, remote sensing and topology.