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.. index::
   pair: menu item; Color cycling
   pair: command line option; cycling
   pair: command; cycling
   pair: menu item; Reversed color cycling
   pair: command line option; rcycling
   pair: command; rcycling
   pair: menu item; Color cycling speed
   pair: command; cyclingspeed
   pair: command line option; cyclingspeed

.. _cycling:
.. _rcycling:
.. _cyclingspeed:

Color cycling
=============

**Syntax**:(cycling bool)

Color cycling is an old and simple effect to animate fractals. The Mandelbrot
set looks particularly nice when color-cycled. On truecolor displays, color
cycling fails to initialize (since those displays don't have a palette). You
can enable :ref:`palette emulation filter <palettef>` to make it possible.

**Available as**: menu item, command line option, command

In the user interface, colors can also be cycled in the opposite direction with
the "**Reversed color cycling**" function.

To control the cycling speed, you coan use arrow keys or the "**Color cycling
speed**" function.

**Available as**: menu item

**Syntax**:(cyclingspeed integer)

The parameter specifies the number of skips per second. It can be negative to
cycle in the opposite direction.

**Available as**: menu item, command line option, command