November 2, 2006
By Anish Abraham
GEOGRAPHIC information system (GIS) technology is used daily to solve problems regarding the environment, healthcare, land use, business efficiency, education and public safety. The City plans to celebrate International GIS Day on 15 November.
It will host a function where current and potential clients will be made aware of the important contribution GIS is making in the City. According to Lesley Adams, the deputy-director for projects and customer services in Joburg's Corporate GIS directorate, GIS Day is a global event to celebrate the technology, which uses geography to bring countless benefits.
GIS enables people to see geographic features on a map
"Corporate GIS will be celebrating the 8th annual International GIS Day by hosting a breakfast for our top clients of the various GIS services, which include online maps, fax service, projects and customised mapping as well as the Land Information System."
Clients will be introduced to the City's Land Information System and will see samples of the new aerial photography including Laser Imaging Detection and Ranging (LIDAR) and Digital Elevation Modelling (DEM) data.
Corporate GIS's clients include internal departments that use information to further development in the City, consultants and developers that use information to assist in infrastructure and services planning, students from local universities who use geographic data in their studies, and ratepayers who are interested in information regarding zoning, building line restrictions, density and height.
About GIS
"A GIS is a computer-based mapping and analysis tool that takes information from a database about a location, such as streets, buildings, water features and terrain, and turns it into visual layers that can be analysed spatially," Adams explains.
This ability to see geographic features on a map gives users a better understanding of a particular location, in turn enabling analysts and others to make informed decisions about their communities.
World-wide, the technology is used daily to solve problems regarding the natural and human environment. For example, banks can use the information from a geographic information system to find the most convenient location to place an automated teller machine; an entrepreneur can find the ideal spot to locate his/her business. Individual users and residents also benefit, as the technology allows them to obtain relevant maps and information from the Internet.
"GIS Day serves to make people aware of GIS technology and the important contributions it is making in the fields of science, technology, information and the humanities," Adams concludes.
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