john Law: KRPano Projects 2009: This project allows the user to view the pano in different projections, including an automatic transition.

S.Giorgio Maggiore Venice 1565-1610 - architect: Andrea Palladio (1508-'80) - completed by Vincenzo Scamozzi.
Right (option) click to choose a projection or click and drag to manipulate the pano. Command key to zoom out, shift to zoom in.