Map Projections by Jason Davies.
If you are interested in map projections or D3, this page is a real delight!
Jason has draggable examples of:
- Butterfly Maps
- Retroazimuthal Projections
- Miscellaneous Projections
Along with various demonstrations:
Random Points on a Sphere
Topology-Preserving Geometry Simplification (superseded by TopoJSON)
OK, one image to whet your appetite!
Follow the image to its homepage, then drag the image. I think you will be pleased.