1 <?xml version="1.0" encoding="ISO-8859-1"?>
3 <screensaver name="petri" _label="Petri">
8 <number id="delay" type="slider" arg="-delay %"
9 _label="Frame rate" _low-label="Low" _high-label="High"
10 low="0" high="100000" default="10000"
12 <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
17 <number id="diaglim" type="slider" arg="-diaglim %"
18 _label="Colony shape" _low-label="Square" _high-label="Diamond"
19 low="1.0" high="2.0" default="1.414"
22 <number id="anychan" type="slider" arg="-anychan %"
23 _label="Fertility" _low-label="Low" _high-label="High"
24 low="0.0" high="0.25" default="0.0015"/>
26 <number id="minorchan" type="slider" arg="-minorchan %"
27 _label="Offspring" _low-label="Few" _high-label="Many"
28 low="0.0" high="1.0" default="0.5"/>
30 <number id="instantdeathchan" type="slider" arg="-instantdeathchan %"
31 _label="Death comes" _low-label="Slowly" _high-label="Quickly"
32 low="0.0" high="1.0" default="0.2"/>
36 <number id="minlifespeed" type="slider" arg="-minlifespeed %"
37 _label="Minimum rate of growth" _low-label="Slow" _high-label="Fast"
38 low="0.0" high="1.0" default="0.04"/>
40 <number id="maxlifespeed" type="slider" arg="-maxlifespeed %"
41 _label="Maximum rate of growth" _low-label="Slow" _high-label="Fast"
42 low="0.0" high="1.0" default="0.13"/>
44 <number id="mindeathspeed" type="slider" arg="-mindeathspeed %"
45 _label="Minimum rate of death" _low-label="Slow" _high-label="Fast"
46 low="0.0" high="1.0" default="0.42"/>
48 <number id="maxdeathspeed" type="slider" arg="-maxdeathspeed %"
49 _label="Maximum rate of death" _low-label="Slow" _high-label="Fast"
50 low="0.0" high="1.0" default="0.46"/>
54 <number id="minlifespan" type="slider" arg="-minlifespan %"
55 _label="Minimum lifespan" _low-label="Short" _high-label="Long"
56 low="0" high="3000" default="500"/>
58 <number id="maxlifespan" type="slider" arg="-maxlifespan %"
59 _label="Maximum lifespan" _low-label="Short" _high-label="Long"
60 low="0" high="3000" default="1500"/>
62 <number id="size" type="spinbutton" arg="-size %"
63 _label="Cell size" low="0" high="100" default="2"/>
65 <number id="count" type="spinbutton" arg="-count %"
66 _label="Mold varieties" low="0" high="20" default="20"/>
71 <!-- #### -mem-throttle [22M] -->
73 <xscreensaver-updater />
76 This simulates colonies of mold growing in a petri dish. Growing
77 colored circles overlap and leave spiral interference in their wake.
79 Written by Dan Bornstein; 1999.