<?xml version="1.0" encoding="ISO-8859-1"?>

<screensaver name="petri" _label="Petri">

 <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=QkJ9cN0QQd8"/>

 <hgroup>
  <number id="delay" type="slider" arg="--delay %"
          _label="Frame rate" _low-label="Low" _high-label="High"
          low="0" high="100000" default="10000"
          convert="invert"/>
  <boolean id="showfps" _label="Show frame rate" arg-set="--fps"/>
 </hgroup>

 <hgroup>
  <vgroup>
   <number id="diaglim" type="slider" arg="--diaglim %"
           _label="Colony shape" _low-label="Square" _high-label="Diamond"
           low="1.0" high="2.0" default="1.414"
           convert="invert"/>

   <number id="anychan" type="slider" arg="--anychan %"
           _label="Fertility" _low-label="Low" _high-label="High"
           low="0.0" high="0.25" default="0.0015"/>

   <number id="minorchan" type="slider" arg="--minorchan %"
           _label="Offspring" _low-label="Few" _high-label="Many"
           low="0.0" high="1.0" default="0.5"/>

   <number id="instantdeathchan" type="slider" arg="--instantdeathchan %"
           _label="Death comes" _low-label="Slowly" _high-label="Quickly"
           low="0.0" high="1.0" default="0.2"/>
  </vgroup>

  <vgroup>
   <number id="minlifespeed" type="slider" arg="--minlifespeed %"
           _label="Minimum rate of growth" _low-label="Slow" _high-label="Fast"
           low="0.0" high="1.0" default="0.04"/>

   <number id="maxlifespeed" type="slider" arg="--maxlifespeed %"
           _label="Maximum rate of growth" _low-label="Slow" _high-label="Fast"
           low="0.0" high="1.0" default="0.13"/>

   <number id="mindeathspeed" type="slider" arg="--mindeathspeed %"
           _label="Minimum rate of death" _low-label="Slow" _high-label="Fast"
           low="0.0" high="1.0" default="0.42"/>

   <number id="maxdeathspeed" type="slider" arg="--maxdeathspeed %"
           _label="Maximum rate of death" _low-label="Slow" _high-label="Fast"
           low="0.0" high="1.0" default="0.46"/>
  </vgroup>

  <vgroup>
   <number id="minlifespan" type="slider" arg="--minlifespan %"
           _label="Minimum lifespan" _low-label="Short" _high-label="Long"
           low="0" high="3000" default="500"/>

   <number id="maxlifespan" type="slider" arg="--maxlifespan %"
           _label="Maximum lifespan" _low-label="Short" _high-label="Long"
           low="0" high="3000" default="1500"/>

   <number id="size" type="spinbutton" arg="--size %"
             _label="Cell size" low="0" high="100" default="2"/>

   <number id="count" type="spinbutton" arg="--count %"
           _label="Mold varieties" low="0" high="20" default="20"/>

  </vgroup>
 </hgroup>

  <xscreensaver-updater />

  <_description>
Colonies of mold grow in a petri dish.  Growing colored circles
overlap and leave spiral interference in their wake.

Written by Dan Bornstein; 1999.
  </_description>
</screensaver>
