p i n u p s p a c e » stereographic projection http://www.tedngai.net Wed, 13 Jan 2010 23:07:30 +0000 http://wordpress.org/?v=2.9.1 en hourly 1 stereographic projection http://www.tedngai.net/experiments/stereographic-projection.html http://www.tedngai.net/experiments/stereographic-projection.html#comments Tue, 29 Sep 2009 14:46:52 +0000 ted http://www.tedngai.net/blog/?p=291 The stereographic projection was originally known as the Planisphere projection, known to Hipparchus and Ptolemy and was often used to create celestial charts in ancient time.

This example inflates any CONVEX polyhedra into a sphere and projects its vertices and edges onto a horizontal plane from the “north pole”.

download

stereographicProj2

]]> http://www.tedngai.net/experiments/stereographic-projection.html/feed 0