You have to overload QwtPlotCurve::drawCurve and QwtPlotCurve::drawSymbols. Here you can split your paint operation, and assign different colors to your painter/symbol before you call the methods of the base class for each interval.
Uwe
Expert
Re: Help: Multiple Colours in one Qwt Curve
You have to overload QwtPlotCurve::drawCurve and QwtPlotCurve::drawSymbols. Here you can split your paint operation, and assign different colors to your painter/symbol before you call the methods of the base class for each interval.
Uwe
Wisley (14th March 2008)
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