The images are now (again, for me) all visible. Thanks for fixing this. * Bill Gosper <billgosper@gmail.com> [Apr 24. 2010 07:24]:
There were two problems, analyzed and solved by my tutor Neil Bickford (blog: nbickford.wordpress.com) which explains the Student Edition heading and certain other oddities. (There was indeed a Mac dependent bug, and for some reason, we now need .css and .dtd files). --rwg [...]
P.S.: A certain curve is generated by the L-system X |--> X+Y++Y-X--XX-Y+ Y |--> -X+YY++Y+X--X-Y (+ and - are fixed points, turns of 60 degrees, axiom is X) Rendering: http://www.jjj.de/frac/gosper-curve.ps.gz If the turns are taken to be 45 degrees and we use the axiom X--X--X--X then we get http://www.jjj.de/frac/gosper2-curve.ps.gz ... which surprised me a bit.