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 The Importance Of Geographic Information System Software 
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Joined: Tue Mar 12, 2013 7:46 am
Posts: 200
Post The Importance Of Geographic Information System Software
Geographic data framework programming takes into account the catching, supervising, analyzing, and uncovering different naturally affected variables. Utilized within different areas, for example business, government, investigative advancement and protection attempts .










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Sat Aug 31, 2013 6:36 am
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Joined: Tue Sep 03, 2013 10:52 am
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Post Re: The Importance Of Geographic Information System Software
The surface of a sphere cannot be represented as a flat map. Therefore we must use a projection and none are really true to the actual spherical location. Amongst the most usual projections, there are:

The Mercator projection. Invented in the 16th century, the projection is that of the sphere on a cylinder tangent to the equator. It has the advantage to be loxodromic, i.e. latitudes and longitudes are at right angle. That was needed for a) keep a constant compass bearing and b) do astronomical navigation. It is still the chosen projection for seafarers.



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Tue Oct 15, 2013 3:50 am
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