We can define the location of a point on the earth’s surface by measuring its latitude and longitude. But that…
Posts published in “Geographic (lat/long) Coordinates”
Most of us are aware that location can be expressed using something like the Cartesian coordinates that we vaguely remember…
NAD27 is named for the earth model that it’s referenced to, the North American Datum of 1927. That makes it…
NAD83(2011) is named for the earth model that it’s referenced to. NAD83(2011) is one of several enhanced versions of the…
NAD83 (HARN) is named for the earth model that it’s referenced to, a version of the North American Datum of…
NAD83 is named for the earth model that it’s referenced to, the North American Datum of 1983. It’s optimized for…
WGS84 is named for the earth model that it’s referenced to, the World Geodetic System of 1984. We run into…
It’s common for photos taken with a mobile device to be geotagged. That means that the photopoint coordinates are captured…
Why did the elephant wear tennies? Because ninies were too small and elevenies were too big. Why do we use…
The screen shot at right shows a web mapping application that reports the location of a mouse click to one…