Datums
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These Warfighters are Ready for Combat presents the topic of datums in a decidedly militaristic style, which is only natural because it's from the friendly folks at NIMA (formerly the Defense Mapping Agency). |
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Exploring a New Reference System discusses the issues involved in the establishment of a new, highly accurate datum suitable for precise GPS and GIS applications. |
A Four-Part Series on Geodetic Reference Systems, published in Professional
Surveyor Magazine
Part 1:
Modern Terrestrial Reference Systems
Part
2: The Evolution of NAD 83
Projections
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Matching the Map Projection to the Need focuses on the importance of choosing the correct map projection for a particular project. |
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State Planes Are Not So Plain presents the concept of cylindrical and conic projections, and why the State Plane coordinate system is based on a these types of projections.. |
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Mentor Software's GIS Tips has several articles dealing with the topic of projections and datums. |
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Do you have questions about projections? Post your questions to The Casual Cartographer's Coordinate Systems and Map Projections forum.. |
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This page will be in a constant state of flux as I discover and add new sites. I monitor these links frequently and try to keep them up-to-date, but don't be surprised if a crevasse opens up and you can't get across. That's the nature of the Web! |