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Geographic Info Systems Essay Sample

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Geographic Info Systems Essay Sample

  1. Definition

GIS is a system that assimilate different data, soft wares and hard wares in order to incarcerate, administering and examining all types of geographical related information. Geographic information systems (GIS) integrate hardware, software, and data for incarcerate, managing, analyze, and displaying all form of geographically referenced information (Berry, 1993).

  1. Usage

Geographical Information System is used to observe, inquire, and infer data and shows links and patterns by presenting it in the form of graphs, reports and maps (Bolstad, 2005).

  1. Three Visions of GIS

A GIS is linked with a map. A map, in reality, is only one method with which you can deal with geographic information in a GIS, and only one kind of output produced by a GIS (Burrough and MacDonnel, 1998). A Geographic Information System is found in the following forms:

  1. a) The Database View
  2. b) The Map View
  3. c) The Model View
  4. Crime Mapping in the New Era

 In today’s era, police and law enforcement agencies are employing GIS tools and removing every obstruction in crime mapping that subsists in such organizations, so that the future prospects of crime mapping is shown (Chang, 2004). The Police Foundation published a report in 2002 in which they described their experience with the Forest Park, Ohio, Police Department in order to apply crime mapping and spatial examination.

During 1970s and 1980s, the Forest Park Police Department made some initial efforts to employ crime mapping as fraction of its crime prevention attempt by physically producing customary pin maps. The maps had a number of functions. They were used mostly as conversation sections between officers. The maps also had an operational significance since modus operandi charts were useful to mainly importunate criminals. These maps, though, had did not contribute with planning, reaction to crime, or general agency administration. As the maps were not being utilized, a reduction was observed in their importance, and was regarded as a needless effort.


Berry, J.K. (1993) Beyond Mapping: Concepts, Algorithms, and Issues in GIS. Fort Collins, CO: GIS World Books.

Bolstad, P. (2005) GIS Fundamentals: A first text on Geographic Information Systems, Second Edition. White Bear Lake, MN: Eider Press.

Burrough, P.A., and McDonnell, R.A. (1998) Principles of geographical information systems. Oxford University Press.

Chang, K. (2007) Introduction to Geographic Information System, 4th Edition. McGraw Hill.

Travis, L. F. (2002). Overcoming the Barriers. Retrieved on July 14, 2009: http://www.policefoundation.org/pdf/mappinginpoliceagencies.pdf

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