Geoids, projections, datum, what?

At work I came across this nice article that explains some basics of GIS data projections, datums, geoids, etc. Although the target audiance of it is more the oil industry, I think it would also be good reading for people making FsX terrain scenery and wanting to know a little more about what could be involved when using GIS data. Because knowing that the data is in the right projection, etc is very important for the best result.

One thought on “Geoids, projections, datum, what?

  1. Barry Friedman says:

    I know it’s an old post but I was curious and so managed to dig up a working link to the article:

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