Re: Retry: Stepsize on axis

[Uwe R. <Uwe...@ep...>]

On Wednesday 04 July 2001 10:21, Silje Helfjord wrote:

> void VTQwtPlot::setAxisYUnit(double dUnit)
> {
> 	const QwtScaleDiv& scale = axisScale(QwtPlot::yLeft);

Add this line here:

              setAxisMaxMajor(QwtPlot::yLeft, (int) ((scale.hBound() -
		 scale.lBound()) / dUnit ));	

> 	setAxisScale(QwtPlot::yLeft, scale.lBound(), scale.hBound(), dUnit);
> }

> How can I set my own stepsize?

I don't know exactly what dUnit is in your context, but if you have an axis 
from 0 to 10 and dUnit is 2 you will get an axis with 0,2,4,6,8,10. With 
dUnit==5 you get 0,5,10 and dUnit =10 you get 0,10.

Maybe this is what you want ?

HTH,
Uwe