[Libreoffice-bugs] [Bug 134224] Pie chart data rounding error

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=134224

NISZ LibreOffice Team <libreoffice at nisz.hu> changed:

           What    |Removed                     |Added
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           Keywords|                            |needsUXEval
                 CC|                            |libreoffice-ux-advise at lists
                   |                            |.freedesktop.org

--- Comment #4 from NISZ LibreOffice Team <libreoffice at nisz.hu> ---
(In reply to Leyan from comment #3)
> The rounding of each percentage is correct, the fact that the sum is 101 is
> just an artifact of the insufficient precision displayed. So the question is
> whether it is better to have less precise individual values and a nicer
> total or whether the current behavior should be kept?
> 
Hi

Thanks for your comment. Yes this is exactly the question here. 
Adding UX-advise list for help to decide :).

(snip)

> This simple algorithm can lead to pie charts displaying different
> percentages even if the underlying value is the same, which is not great in
> my opinion. For example, with a pie chart with 3 identical parts, the
> percentages displayed will be 34%, 33%, 33%.

Just like in Excel. My hunch is that our users would prefer it this way, so
that on papers printed from Excel/Calc would be no difference. 
But this behavior might be made configurable, so that (enterprise)
users/sysadmins could centrally configure Excel-like behavior.

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