Implement a custom QwtPlotItem that will represent your rectangle. Use a QwtPlotPicker (or QwtPicker) to allow the user to choose a rectangle. Once the selection is complete, create an instance of your plot item and place it on the plot.
The "Q"
Re: Draw a circle or sequare/rectange by mouse on qwtpolt???
Implement a custom QwtPlotItem that will represent your rectangle. Use a QwtPlotPicker (or QwtPicker) to allow the user to choose a rectangle. Once the selection is complete, create an instance of your plot item and place it on the plot.
Your biological and technological distinctiveness will be added to our own. Resistance is futile.
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embeddedmz (26th May 2021)
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