<?xml version="1.0" encoding="ISO-8859-1"?>
-<screensaver name="surfaces" _label="Surfaces">
+<screensaver name="surfaces" _label="Surfaces" gl="yes">
<command arg="-root"/>
- <number id="delay" type="slider" arg="-delay %"
- _label="Frame rate" _low-label="Low" _high-label="High"
- low="0" high="100000" default="20000"
- convert="invert"/>
+ <hgroup>
+ <vgroup>
+ <number id="delay" type="slider" arg="-delay %"
+ _label="Frame rate" _low-label="Low" _high-label="High"
+ low="0" high="100000" default="20000"
+ convert="invert"/>
- <number id="descent" type="slider" arg="-speed %"
- _label="Duration" _low-label="Short" _high-label="Long"
- low="2" high="2000" default="300"
- convert="invert"/>
+ <number id="descent" type="slider" arg="-speed %"
+ _label="Duration" _low-label="Short" _high-label="Long"
+ low="2" high="2000" default="300"
+ convert="invert"/>
+ </vgroup>
- <hgroup>
- <select id="surface">
- <option id="random" _label="Random Surface"/>
- <option id="dini" _label="Dini's Surface" arg-set="-surface dini"/>
- <option id="enneper" _label="Enneper's Surface" arg-set="-surface enneper"/>
- <option id="kuen" _label="Kuen Surface" arg-set="-surface kuen"/>
- <option id="moebius" _label="Moebius Strip" arg-set="-surface moebius"/>
- <option id="seashell" _label="Seashell" arg-set="-surface seashell"/>
- <option id="swallow" _label="Swallowtail" arg-set="-surface swallowtail"/>
- <option id="bohemian" _label="Bohemian Dome" arg-set="-surface bohemian"/>
- <option id="whitney" _label="Whitney Umbrella" arg-set="-surface whitney"/>
- <option id="pluecker" _label="Pluecker's Conoid" arg-set="-surface pluecker"/>
- <option id="henneberg" _label="Henneberg's Surface" arg-set="-surface henneberg"/>
- <option id="catalan" _label="Catalan's Surface" arg-set="-surface catalan"/>
- <option id="corkscrew" _label="Corkscrew Surface" arg-set="-surface corkscrew"/>
- </select>
+ <vgroup>
+ <select id="surface">
+ <option id="random" _label="Random Surface"/>
+ <option id="dini" _label="Dini's Surface" arg-set="-surface dini"/>
+ <option id="enneper" _label="Enneper's Surface" arg-set="-surface enneper"/>
+ <option id="kuen" _label="Kuen Surface" arg-set="-surface kuen"/>
+ <option id="moebius" _label="Moebius Strip" arg-set="-surface moebius"/>
+ <option id="seashell" _label="Seashell" arg-set="-surface seashell"/>
+ <option id="swallow" _label="Swallowtail" arg-set="-surface swallowtail"/>
+ <option id="bohemian" _label="Bohemian Dome" arg-set="-surface bohemian"/>
+ <option id="whitney" _label="Whitney Umbrella" arg-set="-surface whitney"/>
+ <option id="pluecker" _label="Pluecker's Conoid" arg-set="-surface pluecker"/>
+ <option id="henneberg" _label="Henneberg's Surface" arg-set="-surface henneberg"/>
+ <option id="catalan" _label="Catalan's Surface" arg-set="-surface catalan"/>
+ <option id="corkscrew" _label="Corkscrew Surface" arg-set="-surface corkscrew"/>
+ </select>
- <select id="mode">
- <option id="random" _label="Random Display Mode"/>
- <option id="points" _label="Points" arg-set="-mode points"/>
- <option id="lines" _label="Lines" arg-set="-mode lines"/>
- <option id="line_loop" _label="Line Loops" arg-set="-mode line-loops"/>
- </select>
- </hgroup>
+ <select id="mode">
+ <option id="random" _label="Random Display Mode"/>
+ <option id="points" _label="Points" arg-set="-mode points"/>
+ <option id="lines" _label="Lines" arg-set="-mode lines"/>
+ <option id="line_loop" _label="Line Loops" arg-set="-mode line-loops"/>
+ </select>
- <hgroup>
- <boolean id="wander" _label="Wander" arg-set="-wander"/>
- <boolean id="spin" _label="Spin" arg-unset="-no-spin"/>
- <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ <hgroup>
+ <boolean id="wander" _label="Wander" arg-set="-wander"/>
+ <boolean id="spin" _label="Spin" arg-unset="-no-spin"/>
+ <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ </hgroup>
+ </vgroup>
</hgroup>
+ <xscreensaver-updater />
+
<_description>
-This draws a visualization of several interesting parametric surfaces.
+Parametric surfaces.
http://mathworld.wolfram.com/DinisSurface.html
http://en.wikipedia.org/wiki/Enneper_surface