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Color sections of a circular shape
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I need help with coloring sections of this circular shape, thanks!
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Colouring areas in the 2Dview can be done by describing them with inequalities. Here's an example to get such a circular checker pattern that even allows an arbitrary set of radii.
You might want to go to the properties of "pattern" and set the Line Thickness to 0, because Geogebra also draws the boundary lines for each inequality, and because each inequality is used in multiple areas, those lines are then drawn multiple times and appear very thick.
As for what those commands do:
For a regular sequence of radii you can of course omit defining the radii list and just put the correct expressions in the pattern sequence.
It's also possible to use an arbitrary number of arbitry angles for the pattern, but it's a bit more annoying to do that. I kinda assume you only wanted the regular pattern with 45° angles anyway.
Edit: Removed some unnecessary part of the command (remnant from an arbitrary angle approach).
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