Monday, July 11, 2016

Google Mapplet for displaying Earth Centered, Earth Fixed (ECEF) coordinates

The ECEF (Earth-Centered, Earth-Fixed) coordinate system is commonly used when working with satellites, GPS, space mechanics. For more information, see the Wikipedia site at https://en.wikipedia.org/wiki/ECEF. Sometimes, it may be necessary to convert between ECEF coordinates to geodetic latitude, longitude and altitude coordinates.

This Google Mapplet Show ECEF Coordinates is an easy to use tool for displaying ECEF coordinates on a Google Maps background. To show the coordinates of a location on the map, just click a point on the map, as shown in the screenshot below.

Alternatively, given an ECEF coordinate, simply type in the ECEF's XYZ coordinates in the right pane and click the Locate button. The point will be centered and marked in the map display, as shown below.

Try on this tool at this location https://dominoc925-pages.appspot.com/mapplets/cs_ecef.html


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