Tag Archive: coordinate systems

May 31 2011

Rescue Your Floating Data

UTM

We’ve previously discussed some of the basics of geodesy, ellipsoids and the geoid,  as well as datums and projections. Now, it’s time to pull it all together into what a coordinate system is. Knowing about coordinate systems matters because this is what you interact with inside of a GIS or even CADD currently. Your project …

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May 10 2011

Magellan’s Nightmare

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geodesy: a branch of applied mathematics concerned with the determination of the size and shape of the earth and the exact positions of points on its surface and with the description of variations of its gravity field. – Merriam Webster’s Dictionary Only 18 men out of 237 survived Magellan’s circumnavigation of the globe. Magellan was …

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May 09 2011

We have no clue where this data came from…

How many times has this happened to you: you receive a dataset from a client or a prime on a project and it has no defined projection or metadata information. We work with anyone from the federal government level  to private bridge designers and we’ve seen it over and over again, especially with client provided …

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