What is a Geographic Information System?
A Geographic Information System, or "GIS", is "an organized collection of computer hardware, software, geographic data, and personnel designed to efficiently capture, store, update, manipulate, analyze, and display all forms of geographically referenced information." (source: ESRI) Within a GIS , geographic data is organized into a series of thematic layers and tables.
How is GIS used in Wellesley?
GIS provides Town staff a powerful tool to make better decisions through query and visualization of geographic information. In Wellesley, the Network and Information Systems department is responsible for implementing GIS technology throughout all Town departments. Dedicated GIS staff are tasked with:
- developing and maintaining data layers in the Town's geographic database,
- preparing maps for Town boards, committees, departments,
- answering various questions through complex spatial analysis,
- integrating database information between departments,
- and, supporting a web-based intranet mapping application that provides instant access to GIS data for all town departments.
| 
