Giulia,
Not used it much, but had a look in *Layer Properties* under *Diagrams*,
This will allow you to create Pie Charts you are looking for, in
relation to size, you may have to play around with the settings, but
there is a *Size* tab in diagrams, utilise *Scaled size*, pick your
corresponding *Attribute*, click *Find* beside *Maximum Value* and set
your *Size* *Scale* factor. Hope that helps!!
Regards,
Richard.
On 29/06/2016 15:03, Giulia Valvassori wrote:
Dear all,
I would like to use qgis to depict data derived from population
genetic analysis.
I'm working with 7 different txt files (one for each sampling
location) with information relative to:
-latitude of the sampling location
-longitude of the sampling locaction
-genetic clades identified in each sampling location
-n° of individuals belonging to each clade
I would like that each sampling location/txt file has got a pie chart
as marker with slice of different colours (according to the differents
clades) and different size (according to the number of individulas for
each clade).
I'm working in a Windows 10 laptop with QGIS 2.14.2 Essen.
Is there anyone that can explain me how to do it?
Thank you very much in advance.
Best regards,
Giulia
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*_Richard McDonnell_*
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*OPW FRM Data Management*
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