<?xml version="1.0" encoding="ISO-8859-1"?>
-<screensaver name="euler2d" _label="Euler2d">
+<screensaver name="euler2d" _label="Euler2D">
<command arg="-root"/>
- <number id="count" type="slider" arg="-count %"
- _label="Particles" _low-label="Few" _high-label="Many"
- low="2" high="5000" default="1024"/>
+ <video href="https://www.youtube.com/watch?v=ZH1ZtfId0iA"/>
- <number id="eulertail" type="slider" arg="-eulertail %"
- _label="Trail Length" _low-label="Short" _high-label="Long"
- low="2" high="500" default="10"/>
+ <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="eulerpower" type="slider" arg="-eulerpower %"
- _label="Power" _low-label="Low" _high-label="High"
- low="0.5" high="3.0" default="1.0"/>
--->
+ <number id="count" type="slider" arg="-count %"
+ _label="Particles" _low-label="Few" _high-label="Many"
+ low="2" high="5000" default="1024"/>
- <number id="cycles" type="slider" arg="-cycles %"
- _label="Duration" _low-label="Short" _high-label="Long"
- low="100" high="5000" default="3000"/>
+ <number id="eulertail" type="slider" arg="-eulertail %"
+ _label="Trail length" _low-label="Short" _high-label="Long"
+ low="2" high="500" default="10"/>
+ </vgroup>
- <number id="ncolors" type="slider" arg="-ncolors %"
- _label="Number of Colors" _low-label="Two" _high-label="Many"
- low="2" high="255" default="64"/>
+ <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="delay" type="slider" arg="-delay %"
- _label="Speed" _low-label="Slow" _high-label="Fast"
- low="0" high="300000" default="10000"
- convert="invert"/>
+ <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.
-Written by Stephen Montgomery-Smith.
+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>