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<?xml version="1.0" encoding="ISO-8859-1"?>
<screensaver name="euler2d" _label="Euler2D">
<command arg="-root"/>
<video href="https://www.youtube.com/watch?v=ZH1ZtfId0iA"/>
<hgroup>
<vgroup>
<number id="delay" type="slider" arg="-delay %"
_label="Frame rate" _low-label="Low" _high-label="High"
low="0" high="100000" default="10000"
convert="invert"/>
<number id="count" type="slider" arg="-count %"
_label="Particles" _low-label="Few" _high-label="Many"
low="2" high="5000" default="1024"/>
<number id="eulertail" type="slider" arg="-eulertail %"
_label="Trail length" _low-label="Short" _high-label="Long"
low="2" high="500" default="10"/>
</vgroup>
<vgroup>
<!--
<number id="eulerpower" type="slider" arg="-eulerpower %"
_label="Power" _low-label="Low" _high-label="High"
low="0.5" high="3.0" default="1.0"/>
-->
<number id="cycles" type="slider" arg="-cycles %"
_label="Duration" _low-label="Short" _high-label="Long"
low="100" high="5000" default="3000"/>
<number id="ncolors" type="slider" arg="-ncolors %"
_label="Number of colors" _low-label="Two" _high-label="Many"
low="2" high="255" default="64"/>
</vgroup>
</hgroup>
<boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
<xscreensaver-updater />
<_description>
Simulates two dimensional incompressible inviscid fluid flow.
https://en.wikipedia.org/wiki/Euler_equations_%28fluid_dynamics%29
https://en.wikipedia.org/wiki/Inviscid_flow
Written by Stephen Montgomery-Smith; 2002.
</_description>
</screensaver>
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