We have been working on some code to determine whether or not a placemark lies inside or outside a polygon. We thought a nice use for that code would be to determine what country a placemark is in.

Following is a submission to our “$100 for 300 Well-Chosen Surveyor Words” contest. To submit your own surveyor’s story, send 300 (or more) words to [email protected]. By Jay Satalich, P.L.S. At ...

Google Maps enables you to create your own maps including custom locations, for example a "Parks" map with marked locations for your favorite parks. The map can be exported to the Google KML format ...

This post is a tip for people who work with KML a lot and generate KML from sources other than Google Earth. This could be programmers generating KML through code, people manually creating KML files ...

At Caltrans District 7 in Los Angeles, we use the onboard GPS capability of smartphones to navigate in real time to the locations of proposed aerial targets and National Geodetic Survey (NGS) control ...