X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fconfig%2Fapollonian.xml;h=471875212bef6e6ccc0a93f95ecd905314f7c9a3;hp=e89ea98c0c820034219e91dd1dcb1c6c4469f84f;hb=019de959b265701cd0c3fccbb61f2b69f06bf9ee;hpb=49f5b54f312fe4ac2e9bc47581a72451bd0e8439 diff --git a/hacks/config/apollonian.xml b/hacks/config/apollonian.xml index e89ea98c..47187521 100644 --- a/hacks/config/apollonian.xml +++ b/hacks/config/apollonian.xml @@ -4,9 +4,9 @@ - + - @@ -16,7 +16,7 @@ low="1" high="20" default="20"/> + + + + <_description> -Packs a large circle with smaller circles, demonstrating the -Descartes Circle Theorem. +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.