Latest Posts in Coordinate Systems

Paul Nalos
January 4, 2012 • 3 min

Recently, one of our users asked about projecting the earth onto a gnomonic cube. While it isn’t often you’d want to look at the world this way, the result is visually ...

Paul Nalos
August 31, 2011 • 3 min

GPS has made it possible to make highly accurate, low distortion maps covering the whole world. Coupled with the ability to measure location quickly and cheaply (or very precisely ...

Paul Nalos
May 5, 2011 • 3 min

Sometimes it’s appealing to ignore the curvature of the earth. For example, a building blueprint may have an origin that’s associated with a known location and orientation, wit...

Paul Nalos
October 6, 2010 • 4 min

Increasingly, spatial data is 3D: our GPS traces include heights; we use LIDAR to create 3D models of buildings and cities; and we have Digital Elevation Models which capture the h...

Paul Nalos
July 7, 2010 • 2 min

Computers have been a big boon to the field of mapping, magnifying our ability to record, share, and analyse spatial data to a tremendous degree. One of the quirks that comes along...
Showing of 16 posts