https://bugs.kde.org/show_bug.cgi?id=457248

--- Comment #2 from Arjen Hiemstra <ahiems...@heimr.nl> ---
(In reply to Roman Lebedev from comment #0)
> 1. The coordinate system is wrong. Somehow "Start from angle = -180*"
> results in starting from six-o-clock, which is -90* in reality:
> https://upload.wikimedia.org/wikipedia/commons/9/9a/Degree-Radian_Conversion.
> svg

Starting angle is arbitrary and there's no standard. In the case of the Quick
Charts library, it follows what other chart libraries do: 0 is at the top, so
-180 degrees is at the bottom.

> 2. There is some weird normalization bug. Even when the underlying data
> reaches the specified data range max, the pie chart is still far from being
> full.

Please show a code sample where this happens. If you're using automatic
maximum, the data source may be providing a different maximum than what you
expect.

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