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-rw-r--r--hacks/config/sphereeversion.xml98
1 files changed, 0 insertions, 98 deletions
diff --git a/hacks/config/sphereeversion.xml b/hacks/config/sphereeversion.xml
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--- a/hacks/config/sphereeversion.xml
+++ /dev/null
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-<?xml version="1.0" encoding="UTF-8"?>
-
-<screensaver name="sphereeversion" _label="Sphere Eversion" gl="yes">
-
- <video href="https://www.youtube.com/watch?v=CbmIggJ5GdA"/>
-
- <command arg="-root"/>
-
- <hgroup>
-
- <vgroup>
- <number id="deform-speed" type="slider" arg="-deformation-speed %"
- _label="Deformation speed"
- _low-label="1.0" _high-label="100.0"
- low="1.0" high="100.0" default="10.0"/>
-
- <select id="surface-order">
- <option id="random" _label="Random surface order"/>
- <option id="2" _label="2" arg-set="-surface-order 2"/>
- <option id="3" _label="3" arg-set="-surface-order 3"/>
- <option id="4" _label="4" arg-set="-surface-order 4"/>
- <option id="5" _label="5" arg-set="-surface-order 5"/>
- </select>
- </vgroup>
-
- <vgroup>
- <select id="display-mode">
- <option id="random" _label="Random surface"/>
- <option id="surface" _label="Solid surface" arg-set="-mode surface"/>
- <option id="transparent" _label="Transparent surface" arg-set="-mode transparent"/>
- </select>
-
- <select id="appearance">
- <option id="random" _label="Random pattern"/>
- <option id="solid" _label="Solid object" arg-set="-appearance solid"/>
- <option id="bands" _label="Parallel bands" arg-set="-appearance parallel-bands"/>
- <option id="bands" _label="Meridian bands" arg-set="-appearance meridian-bands"/>
- </select>
-
- <select id="graticule">
- <option id="random" _label="Random graticule"/>
- <option id="bands" _label="With graticule" arg-set="-graticule on"/>
- <option id="bands" _label="Without graticule" arg-set="-graticule off"/>
- </select>
-
- <select id="colors">
- <option id="random" _label="Random coloration"/>
- <option id="twosided" _label="Two-sided" arg-set="-colors two-sided"/>
- <option id="rainbow" _label="Parallel colors" arg-set="-colors parallel"/>
- <option id="rainbow" _label="Meridian colors" arg-set="-colors meridian"/>
- </select>
-
- <select id="projection">
- <option id="random" _label="Random Projection"/>
- <option id="perspective" _label="Perspective" arg-set="-projection perspective"/>
- <option id="orthographic" _label="Orthographic" arg-set="-projection orthographic"/>
- </select>
- </vgroup>
-
- <vgroup>
- <number id="speed-x" type="slider" arg="-speed-x %"
- _label="X rotation speed"
- _low-label="-4.0" _high-label="4.0"
- low="-4.0" high="4.0" default="0.0"/>
-
- <number id="speed-y" type="slider" arg="-speed-y %"
- _label="Y rotation speed"
- _low-label="-4.0" _high-label="4.0"
- low="-4.0" high="4.0" default="0.0"/>
-
- <number id="speed-z" type="slider" arg="-speed-z %"
- _label="Z rotation speed"
- _low-label="-4.0" _high-label="4.0"
- low="-4.0" high="4.0" default="0.0"/>
- </vgroup>
-
- <vgroup>
- <xscreensaver-updater />
- <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
- </vgroup>
-
- </hgroup>
-
- <_description>
-Turns a sphere inside out: a smooth deformation (homotopy). During the
-eversion, the deformed sphere is allowed to intersect itself transversally,
-however, no creases or pinch points occur.
-
-Inspired by the following paper: Adam Bednorz, Witold Bednorz:
-"Analytic sphere eversion using ruled surfaces", Differential Geometry
-and its Applications 64:59-79, 2019.
-
-https://en.wikipedia.org/wiki/Sphere_eversion
-https://mathworld.wolfram.com/SphereEversion.html
-
-Written by Carsten Steger; 2020.
- </_description>
-</screensaver>