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List:       tortoisesvn-dev
Subject:    Re: Statistics dialog upgrade
From:       Stefan.Fuhrmann () etas ! de
Date:       2007-10-16 12:11:50
Message-ID: OF7F57EF64.1ED08143-ONC1257376.0040A735-C1257376.00430081 () etas ! de
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"Andreas Nicolai" <Andreas.Nicolai@gmx.net> schrieb am 09.10.2007 
17:19:55:

> Except when using extremely high resolutions, the legend is not 
displayed 
> for more than 40 authors anyway. For normal resolutions the limit is 
> reached at about 25-30 authors. Also, above 40 authors the colouring 
> becomes nearly indistinguishable. For all practical purposes, showing 
more 
> than 40 authors is IMHO useless.

I aggree that there is a resolution dependent limit to the number of 
authors that can be shown at once. And this limit is certainly lower
than 1000.

> Suggestion: independent of the threshold setting, we can impose an 
author 
> limit of about 40 authors and even if more are above the threshold, they 
 
> will be shown as others. This will solve the UI resource problem and 
keep 
> the charts readible.

I would like to see a resolution dependent limit. Also, with pie diagrams
you can still reasonably draw sections 3 pixels wide on the circumference.
At 1600x1200, the pie may have a 1000 pixels diameter, which translates 
into
0.1 percentiles resolution. So, 100+ authors *could* be displayed.

> Alternatively the slider at the bottom could be modified to indicate the 
 
> numbers of authors to be shown individually, ranging from 1 to 40 with 
the 
> default on 20 or so.

Yes, that would be more useful. Today, the right 80% of the slider are 
"wasted". The range should be 1 to min (#authors, maxListLength). 

Just an idea: Perhaps there could be two sliders to select a range of 
authors. If the number of authors selected is larger than the before 
mentioned limit, the remaining ones are aggregated into "others".

Another thing that may be useful when the number of authors becomes large,
is a  button to "exclude others": Even the top-10 committers may account
for less than, say, 30% of the changes.

Sorry for the late response, I've been very busy over the last view days.

-- Stefan^2.

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