git.hungrycats.org Git - xscreensaver/blob - hacks/config/euler2d.xml

   1 <?xml version="1.0" encoding="ISO-8859-1"?>
   2
   3 <screensaver name="euler2d" _label="Euler2D">
   4
   5   <command arg="-root"/>
   6
   7   <video href="https://www.youtube.com/watch?v=ZH1ZtfId0iA"/>
   8
   9   <hgroup>
  10    <vgroup>
  11     <number id="delay" type="slider" arg="-delay %"
  12             _label="Frame rate" _low-label="Low" _high-label="High"
  13             low="0" high="100000" default="10000"
  14             convert="invert"/>
  15
  16     <number id="count" type="slider" arg="-count %"
  17              _label="Particles" _low-label="Few" _high-label="Many"
  18             low="2" high="5000" default="1024"/>
  19
  20     <number id="eulertail" type="slider" arg="-eulertail %"
  21              _label="Trail length" _low-label="Short" _high-label="Long"
  22             low="2" high="500" default="10"/>
  23    </vgroup>
  24
  25    <vgroup>
  26   <!--
  27     <number id="eulerpower" type="slider" arg="-eulerpower %"
  28              _label="Power" _low-label="Low" _high-label="High"
  29             low="0.5" high="3.0" default="1.0"/>
  30   -->
  31
  32     <number id="cycles" type="slider" arg="-cycles %"
  33              _label="Duration" _low-label="Short" _high-label="Long"
  34             low="100" high="5000" default="3000"/>
  35
  36     <number id="ncolors" type="slider" arg="-ncolors %"
  37               _label="Number of colors" _low-label="Two" _high-label="Many"
  38               low="2" high="255" default="64"/>
  39    </vgroup>
  40   </hgroup>
  41
  42   <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
  43   <xscreensaver-updater />
  44
  45   <_description>
  46 Simulates two dimensional incompressible inviscid fluid flow.
  47
  48 https://en.wikipedia.org/wiki/Euler_equations_%28fluid_dynamics%29
  49 https://en.wikipedia.org/wiki/Inviscid_flow
  50
  51 Written by Stephen Montgomery-Smith; 2002.
  52   </_description>
  53 </screensaver>