What is a GIS?
Geographic Information Systems is a system of computer software, hardware and data, and personnel to help manipulate analyze and present information that is tied to a spatial location.
information - visualization of analysis of data
spatial location - usually a geographic location
system - linking software, hardware, and data
personnel - a thinking explorer who is key to the power of GIS
What is Geography?
The 3 "W's" of Geography
What is where?
Why is it there?
Why do I care?
There are two types of GIS data, Vector and Raster
Vector data can be illustrated as points, lines, and polygon
A point feature could be:
A line feature could be:
A polygon feature could be: