Overlay Analysis in GIS
One of the most basic questions asked of a GIS (Geographic Information System) is “What’s on top of what?” For example: Before GIS, cartographers would …
attribute information
GIS Data: Data Quality, Understanding GIS Error Accuracy and Precision
GIS data, like any other information, isn’t flawless. It may contain errors or inaccuracies that can impact GIS analysis outcomes. Some common sources of errors …