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  1. 30th August 2013, 00:50 #2
    Uwe
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    Default Re: Min Max values

    Iterate over the curves and markers ( see QwtPlotDict::itemList( int rtti ) const ) and unite the bounding rectangles.
    In QwtPlot::updateAxes() you find code that is quite close to what you are looking for.

    Uwe
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    mqt (30th August 2013)
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