文档介绍：GIS Best Practices GIS for Real Estate February 2007 Table of Contents i What Is GIS? 1GIS for Real Estate mercial Real Estate Union Paci ? c Railroad Locates Real Property Assets With GIS 5 Edens & Avant 11 GIS in Action: Forest City Enterprises, Inc., essfully 17 Matches Retailers with the Best Properties Residential Real Estate Residential Real Estate Firms Use ESRI RouteMAP IMS to 21 Provide Driving Directions and Easy-to-Use Home Search Engines Pulte Homes, Inc., Launches Web-Based House-Hunting Tool 23 Economic Development In Texas, the Greater Fort Bend Economic Development 25 Council Helps Businesses Develop Sites, Relocate, andExpand With GIS GIS B EST P RACTICES 1 WWW . ESRI . COM /REALESTATE What Is GIS? Making decisions based on geography is basic to human thinking. Where shall we go, what will it be like, and what shall we do when we get there are applied to the simple event of going to the store or to the major event of launching a bathysphere into the ocean's depths. By understanding geography and people's relationship to location, we can make informed decisions about the way we live on our . A geographic information system (GIS) is a technological tool prehending geography and making intelligent decisions. anizes geographic data so that a person reading a map can select data necessary for a speci ? c project or task. A thematic map has a table of contents that allows the reader to add layers of information to a basemap of real-world locations. For example, a social analyst might use the basemap of Eugene, Oregon, and select datasets from the . Census Bureau to add data layers to a map that shows residents' education levels, ages, and employment status. With an ability to combine a variety of datasets in an in ? nite number of ways, GIS is a useful tool for nearly every ? eld of knowledge from archaeology to good GIS program is able to process geographic data from a variety of sources and integrate it in