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  1. #2
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    Default Re: QwtPlotPicker picks points of whole canvas, but I need only the points on QwtPlot

    Overload QwtPolarPicker::trackerText and return QwtText(), when there is no point below a position. And no - QwtPolar doesn't offer an algo how to deceide this.

    Uwe

  2. The following user says thank you to Uwe for this useful post:

    rawfool (2nd May 2012)

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