Introduction to GIS
WHAT IS GIS
A GIS is most often packaged as computer software which combines various tools to manipulate data and visual assets into an interactive geographic experience. Popular GIS software includes:
ArcGIS
Grass
QGIS
Kalypso
The most popular system for everyday use is Google Maps. This is a typical GIS in that the user can view satellite overlays, use search terms to query the database (e.g., “restaurant”) and filter the results using a specific search radius (e.g., within a ZIP code).
HOW GIS WORKS
GIS software performs to its...