X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fconfig%2Fapollonian.xml;h=471875212bef6e6ccc0a93f95ecd905314f7c9a3;hp=0f89877d6d5a67e4231dbecb399e47b610b47f95;hb=019de959b265701cd0c3fccbb61f2b69f06bf9ee;hpb=a94197e76a5dea5cb60542840809d6c20d0abbf3 diff --git a/hacks/config/apollonian.xml b/hacks/config/apollonian.xml index 0f89877d..47187521 100644 --- a/hacks/config/apollonian.xml +++ b/hacks/config/apollonian.xml @@ -4,9 +4,9 @@ - + - @@ -16,16 +16,25 @@ low="1" high="20" default="20"/> - + + + + <_description> -Packs a large circle with smaller circles, demonstrating the -Descartes Circle Theorem. Written by Allan R. Wilks and David Bagley. +Draws an Apollonian gasket: a fractal packing of circles with +smaller circles, demonstrating Descartes's theorem. + +http://en.wikipedia.org/wiki/Apollonian_gasket +http://en.wikipedia.org/wiki/Descartes%27_theorem + +Written by Allan R. Wilks and David Bagley; 2002.