Convert Equirectangular panorama to Stereographic projected panorama (Little Planet) using Hugin

Finally, after much frustration and bad information, I found a nice and accurate account of how to convert an existing equirectangular panorama to at stereographic Little Planet projection. Plus, it's very easy!!

Shutter Experiments tutorial

You can use this for any existing equirectangular panorama. This is really handy if you prefer to assemble your equirectangular panoramas using Microsoft's ICE or Photoshop.