QwtMagnifier zooming

[mohini]

I am using QwtMagnifier for zooming in and out my Histogram.
Actually my plot caonsists of multiple histograms on same canvas.
I want to fix the width of QwtPlotHistogram Bars and I want the magnification to be done only horizontally.
That is I juat want to stretch my Plot horizontally.

How can it be done with QwtMagnifier ?
Or Is there any other way to do the same ?

[Uwe]

I want the magnification to be done only horizontally.

magnifier->setAxisEnabled( QwtPlot::yLeft, false);
magnifier->setAxisEnabled( QwtPlot::yRight, false);

magnifier->setAxisEnabled( QwtPlot::yLeft, false);
magnifier->setAxisEnabled( QwtPlot::yRight, false);

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Uwe