How to create a pie chart?
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Select Create Thematic Map to start with creating a pie chart.
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A window will appear where you can choose a layer, if you haven’t created you layer yet you can choose to create a New Layer. If you already have a layer select Existing Layer and select a layer at Current Layer.
Click Next.
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Select Pie Chart and select the colums from which you want to create the pie chart.
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Click Finish and de map will show the created pie chart(s).
In layer control, you can personalize the style of the pie chart, like colour and size.