GIS design and technology Essay example
Design & Technology
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GIS DESIGN AND TECHNOLOGY (Name) (College) (Year) Number 1 Geographical Information System was developed to be a technological tool which can be used to understand the geography of the world and make decisions which are both logical and intelligent. It was created with the ability to assemble, analyze, manipulate, update, store and display information which has been geographically referenced according to the location of the data (Elangovan, K, 2006, p.3).


For it to function it requires a vast amount of data hence making the projects which use GIS very expensive. Its data originate from images of satellites, maps, GPS data from survey an all other instruments which can attribute data. Before the development of Internet GIS large amount of data of different field like road networks, sewer lines, telecommunication lines and natural resources were useless as they were available in large unorganized states which makes them hard to retrieve and analyze. The creation of GIS solved this problem hence the organization of GIS databases which had all the information needed. Elangovan (2006, pp. 5&6) attributes GIS development is to different disciplines like databases, computer science, computer mapping, Computer Aided Design, remote sensing, geography, Cartography and many more. Different discipline had different functions in the GIS. Databases is used to store, manipulate and retrieval of the data. Computer mapping is used to create maps in the computer while the remote sensing is used to take satellite images. Through the combination of these and other disciplines the GIS emerged a super field which is very helpful. ...
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