Controls: Move
mouse with left button or A key pressed to rotate.
Move
mouse with middle button or S key pressed to zoom. The button
Change background cyclically changes the background among a few choices. The default background is flat, but less demanding in terms of graphics resources...
Webgl applet built with the library three.js (released under the MIT license). This applet is (C) 2012, Sisto Baldo and is released under GPL.