One of the first implementation idea I saw was on Dunstan Orchard's blog (now inactive) http://1976design.com/blog/ http://1976design.com/blog/ The description

One of the first implementation idea I saw was on Dunstan Orchard's blog (now inactive) http://1976design.com/blog/ http://1976design.com/blog/ The description of how it was made: http://1976design.com/blog/colophon/#the-pano http://1976design.com/blog/colophon/#the-pano