Coordinate Systems
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Geographic CS: spherical (3-dimensions), such as latitude and
longitude
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Projected CS: flat (2-dimensions), such as UTMs
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Requires a GCS and map projection (to go from 3 to 2 dimensions)
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Map projections are customized for a particular location/region
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The coordinate system you use depends on where you are and what
you’re doing – there is no single system that is right for every context.
Want to know more?
resources.esri.com/help/9.3/arcgisengine/dotnet/89b720a5-7339-44b0-8b58-0f5bf2843393.htm
www.progonos.com/furuti/MapProj/Normal/TOC/cartTOC.html
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Coordinate system (CS): reference system used
to represent locations on earth.
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Provides common basis for communication
about a particular place or area.