Some Ways GIS is Used Emergency Services
Environmental Natural Disasters Education Government Medical Industry, Businesses Defense
• GIS is an abbreviation for geographic information system, which is…
• A method to
visualize, manipulate, analyze, and display spatial data to study the world
• “Smart Maps”
linking a database to the map, creating dynamic displays www.gisday.com
Combining Various Display Methods
How do I know where I am? • The GPS receiver displays location in degrees of latitude and longitude. – Latitude is measured north and south of the equator. – Longitude is measured east and west of the prime meridian. www.stoller-eser.com
The Global Positioning System (GPS) is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. department of Defense. GPS was originally intended for military applications, but in the 1980s, the government made the system available for civilian use. GPS works in any weather conditions, anywhere in the world, 24 hours a day. There are no subscription fees or setup charges to use GPS.