Start with copying the Editor class and replace QwtPlotShapeItem by QwtPlotMarker.
HTH,
Uwe
There is only one QwtSymbol for each curve - so no: it is not in-efficient to delete/create a new one.
What takes time is to replot the plot, when changing curve parameters. But this is something...
Good day! Help me please. It is necessary to draw the QwtPlotMarker element on top of the QwtCurvePlot to improve rendering performance (to bypass the replot() method, which rebuilds the entire...
nayaga 15th June 2024, 14:56Qt Centre is a community site devoted to programming in C++ using the Qt framework developed at Digia.
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Could Someone Please Provide the Support Required for Creating Custom Qt Widgets?
18th June 2024 07:54 by aleena66