[Qgis-user] Pie charts in QGIS

[Richard McDonnell]

Giulia,
Are your labels on a separate Layer? you wont be able to move both 
together if they are.
If you have everything on the one layer and the labels are associated 
with the charts then its an easy enough task. You have 2 options.

  * Manually move the point representing the location of the Pie Chart
    you wish to locate, not the most ideal, but the quickest.

       OR

  * Add two additional columns to your table for an alternative *X* and
    *Y* location coordinate (alt_x and alt_y for example) and use the
    *Data defined positions* under *Placement* under *Diagrams* in the
    *Layer Properties*. You can select the new columns as your
    alternative locations. Use the field calculator to add the fields,
    you can put the current X,Y coordinates in using *$X* for your X
    coordinates and *$Y* for the Y coordinates.

You could also do the same for the labels if they are separate, and use 
the move label tool, this will update your X and Y alternative 
coordinates accordingly.

Hope this helps,

Regards,

Richard.

On 30/06/2016 09:58, Giulia Valvassori wrote:
> Dear all,
>
> I'm using qgis to depict data derived from population genetic analysis.
> For each sampling site i've got a pie chart with a specific label.
> Taking into account that some sampling sites are extremely closed to 
> each other, do you know if there is an option that allows you to move 
> directly with your mouse both pie charts and labels?
> Do you know if it is possible to modified the style of a pie chart 
> (not only the colour) for example adding some effects like dots inside 
> the pie charts.
>
> I'm working in a Windows 10 laptop with QGIS 2.14.2 Essen.
>
> Thank you very much in advance.
> Giulia
>
>
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-- 
*_Richard McDonnell_*
*GIS Specialist PgD GIS AssocSCSI*
*OPW FRM Data Management*
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