mbostock/d3 — pull request #901 by mrmicjam (2012-11-16 22:58:12+00:00)
Title: Update src/geo/azimuthal.js

Update to keep the functions invert, scale, etc with the returned object. Else they are not available when returning just "azimuthal.origin([0, 0])".

I'm using this updated version on cronkitenation.com.