LayoutDirectoin of QwtScaleDraw

[Uwe]

When you assign the axis range explicitely:

plot->setAxisScale( axis, 5, 1 );

plot->setAxisScale( axis, 5, 1 );

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or when you are using the autoscaler:

plot->scaleEngine( axis )->setAttribute( QwtScaleEngine::Inverted );

plot->scaleEngine( axis )->setAttribute( QwtScaleEngine::Inverted );

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HTH,
Uwe