Re: [Qgis-user] Pie charts in QGIS

2016-06-30 Thread 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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[Qgis-user] Pie charts in QGIS

2016-06-30 Thread Giulia Valvassori
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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Re: [Qgis-user] Pie charts i QGIS 2.14

2016-03-14 Thread johnrobot
Just in case anyone else is in the same situation, here is what I did to
solve this:

I was unable to get the intervals to show up in the legend and my work
around was to convert a copy of the polygon layer to centroids and then
style them as points, there you get access to the full styling engine.



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Re: [Qgis-user] Pie charts i QGIS 2.14

2016-03-11 Thread johnrobot
Hi
I was thinking of setting up the size intervals. Thank you for the
suggestion about expressions, I will look in to that.

Magnus



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Re: [Qgis-user] Pie charts i QGIS 2.14

2016-03-11 Thread Neumann, Andreas
Hi Magnus, 

And what exactly isn't working with the exiting diagrams --> Pie Charts
functionality? 

What you list below should all be possible. 

The third point, the size intervals, is a bit more tricky, because by
default, QGIS scales continuous (without fixed interval). But with a
QGIS expression you can also force the size to discrete steps. You could
divide/round the data in the expression to force it into discrete steps
for sizing the pie chart. 

So - can you be more specific - what exactly doesn't work as expected? 

- 

Note, if you don't need pies (no subdivisions), but just proportional
symbols, you should better use the simple renderer, choose a symbol and
use the size-assistant. The size assistant can be found at this
drop-down button next to the Size input widget. 

Andreas 

On 2016-03-11 12:42, johnrobot wrote:

> Hi
> I would like to draw pie charts/circles for a polygon layer using data from
> the attribute table, for example population data. I have tried using
> properties- diagram, but it doesn´t seem to match what I am looking for. I
> would like to see this:
> 
> - Based on attribute values, draw pie charts/circles.
> - Let me choose outline and fill colours/patterns.
> - Let me choose data intervals and the circle size for each interval.
> 
> What would be the best way of achieving this in QGIS? I found
> https://github.com/LCacheux68224/ProportionalCircles, but it seems that I
> have to involve our IT department to install QGIS plugins, since I do not
> have admin rights on my computer.
> 
> Regards,
> 
> Magnus
> 
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[Qgis-user] Pie charts i QGIS 2.14

2016-03-11 Thread johnrobot
Hi
I would like to draw pie charts/circles for a polygon layer using data from
the attribute table, for example population data. I have tried using
properties- diagram, but it doesn´t seem to match what I am looking for. I
would like to see this:

- Based on attribute values, draw pie charts/circles.
- Let me choose outline and fill colours/patterns.
- Let me choose data intervals and the circle size for each interval.

What would be the best way of achieving this in QGIS? I found
https://github.com/LCacheux68224/ProportionalCircles, but it seems that I
have to involve our IT department to install QGIS plugins, since I do not
have admin rights on my computer.

Regards,

Magnus



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