Saturday, October 9, 2010

GIS and Geospatial Data

What is GIS that?
GIS began to be known in the early 1980s.In line with the development of computer tools, both software and hardware, the SIG is growing very rapidly in the era of the 1990s.Literally, GIS can be defined as:

"A component that consists of hardware, software, geographic data and human resources that work together effectively to capture, store, refine, update, manage, manipulate, integrate, analyze, and display data in a geographic-based information"

Spatial information using the location, in a certain coordinate system, as a basic reference. GIS therefore has the ability to link various data at a given point on earth, combine, analyze and ultimately to map the results.GIS applications to answer a few questions such as: location, condition, trends, patterns, and modeling.

Ability is what distinguishes GIS from other information systems viewed from the definition, GIS is a system consisting of various components that can not stand on their own. Having a computer hardware along with its software does not mean that we already have a GIS when geographic data and human resources to operate it does not exist.As computer systems in general, GIS is simply a 'tool' that have special abilities.The ability of human resources to formulate and analyze the results of the final issue was instrumental in the success of the GIS system.

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