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, 14:56I am able to set set symbol for curve. Is there any option to hide/show or change color when needed? The problem is the only way I could do was setting a "NoSymbol" style to remove symbols, but I...
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Could Someone Please Provide the Support Required for Creating Custom Qt Widgets?
18th June 2024 07:54 by aleena66