If all we had to do was record and store information on where stuff is, we would stick to geographic…
Posts published by “ottergeo_djeac8”
This article, originally published on a now defunct Michigan DNR website, includes the best explanation of projecting spatial data we’ve…
We can define the location of a point on the earth’s surface by measuring its latitude and longitude. But that…
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…