Ahh.. yes, I have looked on QwtPlotZoomer, and see that its method void QwtPlotZoomer::rescale() use setAxisScale()...
Many thanks...
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Re: How is best way to change the scale range?
Ahh.. yes, I have looked on QwtPlotZoomer, and see that its method void QwtPlotZoomer::rescale() use setAxisScale()...
Many thanks...
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