<command arg="-root"/>
<number id="delay" type="slider" arg="-delay %"
- _label="Speed" _low-label="Slow" _high-label="Fast"
- low="0" high="40000" default="10000"
+ _label="Frame rate" _low-label="Low" _high-label="High"
+ low="0" high="100000" default="20000"
convert="invert"/>
- <number id="functions" type="spinbutton" arg="-functions %"
- _label="Number of Functions" low="2" high="6" default="3"/>
+ <number id="functions" type="slider" arg="-functions %"
+ _label="Number of functions" _low-label="2" _high-label="6"
+ low="2" high="6" default="3"/>
<number id="detail" type="slider" arg="-detail %"
_label="Detail" _low-label="Low" _high-label="High"
- low="2" high="30" default="9"/>
-
- <boolean id="translate" _label="Translate" arg-unset="-no-translate"/>
- <boolean id="scale" _label="Scale" arg-unset="-no-scale"/>
- <boolean id="rotate" _label="Rotate" arg-unset="-no-rotate"/>
+ low="4" high="14" default="9"/>
+
+<!--
+ On a 2.93 gHz iMac i7, I get these rates with -delay 0:
+
+ detail 3: invisible
+ detail 4: barely visible
+ detail 5: 1000+ fps, looks like noise at -delay 0, ok at -delay 20000
+ detail 8: ~700+ fps
+ detail 9: ~400 fps
+ detail 10: ~300 fps
+ detail 11: ~100 fps
+ detail 12: ~50 fps
+ detail 13: ~17 fps
+ detail 14: ~8 fps
+ detail 15: ~2 fps
+
+ With the default -delay, CPU load only starts causing the frame rate
+ to drop below 30 fps detail 12 or higher.
+-->
<number id="colors" type="slider" arg="-colors %"
- _label="Number of Colours" _low-label="2" _high-label="Many"
+ _label="Number of colors" _low-label="2" _high-label="Many"
low="2" high="255" default="200" />
+ <hgroup>
+ <boolean id="translate" _label="Translate" arg-unset="-no-translate"/>
+ <boolean id="scale" _label="Scale" arg-unset="-no-scale"/>
+ <boolean id="rotate" _label="Rotate" arg-unset="-no-rotate"/>
+ <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ </hgroup>
+
<_description>
-This one draws spinning, colliding iterated-function-system images.
+Clouds of iterated function systems spin and collide.
Note that the "Detail" parameter is exponential. Number of points
drawn is functions^detail.
+http://en.wikipedia.org/wiki/Iterated_function_system
+
Written by Chris Le Sueur and Robby Griffin; 1997.
</_description>
</screensaver>