The Projection Playground

The Projection Playground is fun: look at the world in different projections & you can even adjust the projection parameters to make things even more complicated. Plus you can get the D3 code.

Now: what is this useful for? No idea. For me, there are three challanges related to map projections:

1. Make students realize that what (they think) the world looks like is actually just a function of the map projection / parameters.
2. Understand the implications of 1).
3. For students in my GIS courses: Be able to project GIS data (although that's become less and less important.