1 <?xml version="1.0" encoding="ISO-8859-1"?>
3 <screensaver name="substrate" _label="Substrate">
7 <number id="init" type="spinbutton" arg="-initial-cracks %"
8 _label="Initial Cracks" low="2" high="15" default="3"/>
10 <number id="speed" type="slider" arg="-growth-delay %"
11 _label="Speed" _low-label="Slow" _high-label="Fast"
12 low="0" high="30000" default="18000" convert="invert"/>
14 <number id="maxcyc" type="slider" arg="-max-cycles %"
15 _label="Duration" _low-label="Short" _high-label="Long"
16 low="2000" high="25000" default="12000" />
18 <number id="sandg" type="slider" arg="-sand-grains %"
19 _label="Sandgrains" _low-label="Few" _high-label="Lots"
20 low="16" high="128" default="64" />
22 <boolean id="wire" _label="Wireframe only" arg-set="-wireframe" />
25 Lines like crystals grow on a computational substrate. A simple
26 perpendicular growth rule creates intricate city-like structures.
27 By J. Tarbell and Mike Kershaw.