show percentage in vtk Pie chart

Development
1

Hi;

How can I display pourcentage in a pie chart using vtk.

I followed this exemple, but I also want display data on pie chart.

https://vtk.org/Wiki/VTK/Examples/Cxx/Plotting/PieChart

Thank’s in advance

2

That site is obsolete. This site vtk-examples in particular PieChart provide much better examples.
Also look at PieChartActor