Re: circular histograms

[Jean Bréfort <jean brefort normalesup org>]

Please open a bug report against either goffice or gnumeric (preferably
the first one).
I have doubts about it to be a histogram. What is proportional to the
data, the radius or the surface? Does it makes sense to have different
angle spans in a same plot?

Regards,
Jean

Le jeudi 18 octobre 2007 �1:48 +0100, Carlos "Gu�" Grohmann a
�it :
> I was wondering that it would be really nice to be able to make
> circular histograms in Gnumeric (aka rose plots or diagrams)
> 
> At least in geology, we usually make those plots in two ways: from a
> dataset of (azimuth,length) of lines (geological structures), we
> create the diagrams with the petals (histogram bin) weighted eitehr by
> azimuth frequency or by line length. See the attachment for an
> example. That is a "post-processed" version, where I joined the two
> kinds in one figure. Normally we get the whole circle rose or the
> upper half.
> 
> cheers
> 
> Carlos
> 
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