Sorry but this question too unspecific to be answered. Is it about how to decide if a position ( = mouse click ) on the canvas "matches" a curve ?
Uwe
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Re: Selecting a QwtPlotCurve and sublcasses in a QwtPlot
Sorry but this question too unspecific to be answered. Is it about how to decide if a position ( = mouse click ) on the canvas "matches" a curve ?
Uwe
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