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<?xml version="1.0" encoding="ISO-8859-1"?>
<screensaver name="hypertorus" _label="Hypertorus" gl="yes">
<command arg="-root"/>
<video href="https://www.youtube.com/watch?v=KJWe4G4Qa1Q"/>
<hgroup>
<number id="delay" type="slider" arg="-delay %"
_label="Frame rate" _low-label="Low" _high-label="High"
low="0" high="100000" default="25000"
convert="invert"/>
<boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
</hgroup>
<hgroup>
<select id="display-mode">
<option id="wire" _label="Wireframe"
arg-set="-mode wireframe"/>
<option id="surface" _label="Solid"/>
<option id="transparent" _label="Transparent"
arg-set="-mode transparent"/>
</select>
<select id="appearance">
<option id="solid" _label="Solid object"
arg-set="-appearance solid"/>
<option id="bands" _label="Transparent bands"/>
<option id="bands" _label="1 transparent spiral"
arg-set="-appearance spirals-1"/>
<option id="bands" _label="2 transparent spirals"
arg-set="-appearance spirals-2"/>
<option id="bands" _label="4 transparent spirals"
arg-set="-appearance spirals-4"/>
<option id="bands" _label="8 transparent spirals"
arg-set="-appearance spirals-8"/>
<option id="bands" _label="16 Transparent spirals"
arg-set="-appearance spirals-16"/>
</select>
<select id="colors">
<option id="twosided" _label="Two-sided" arg-set="-twosided"/>
<option id="colorwheel" _label="Color wheel"/>
</select>
<select id="projection3d">
<option id="perspective-3d" _label="Perspective 3D"/>
<option id="orthographic-3d" _label="Orthographic 3D"
arg-set="-orthographic-3d"/>
</select>
<select id="projection4d">
<option id="perspective-4d" _label="Perspective 4D"/>
<option id="orthographic-4d" _label="Orthographic 4D"
arg-set="-orthographic-4d"/>
</select>
</hgroup>
<hgroup>
<vgroup>
<number id="speed-wx" type="slider" arg="-speed-wx %"
_label="WX rotation speed"
_low-label="-4.0" _high-label="4.0"
low="-4.0" high="4.0" default="1.1"/>
<number id="speed-wy" type="slider" arg="-speed-wy %"
_label="WY rotation speed"
_low-label="-4.0" _high-label="4.0"
low="-4.0" high="4.0" default="1.3"/>
<number id="speed-wz" type="slider" arg="-speed-wz %"
_label="WZ rotation speed"
_low-label="-4.0" _high-label="4.0"
low="-4.0" high="4.0" default="1.5"/>
</vgroup>
<vgroup>
<number id="speed-xy" type="slider" arg="-speed-xy %"
_label="XY rotation speed"
_low-label="-4.0" _high-label="4.0"
low="-4.0" high="4.0" default="1.7"/>
<number id="speed-xz" type="slider" arg="-speed-xz %"
_label="XZ rotation speed"
_low-label="-4.0" _high-label="4.0"
low="-4.0" high="4.0" default="1.9"/>
<number id="speed-yz" type="slider" arg="-speed-yz %"
_label="YZ rotation speed"
_low-label="-4.0" _high-label="4.0"
low="-4.0" high="4.0" default="2.1"/>
</vgroup>
</hgroup>
<xscreensaver-updater />
<_description>
A Clifford Torus: a torus lying on the "surface" of a 4D hypersphere.
Inspired by Thomas Banchoff's book "Beyond the Third Dimension:
Geometry, Computer Graphics, and Higher Dimensions", Scientific
American Library, 1990.
https://en.wikipedia.org/wiki/N-sphere
https://en.wikipedia.org/wiki/Clifford_torus
https://en.wikipedia.org/wiki/Regular_polytope
Written by Carsten Steger; 2003.
</_description>
</screensaver>
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