#175 QwtLog10ScaleEngine autoscaler

closed
None
5
2012-11-20
2012-09-14
No

The autoscaler of QwtLog10ScaleEngine builds a linear scale when the given interval is below a "decade". But for intervals close to a decade the alignment to the step size might expand the interval above a "decade" what makes it logarithmic again for calculating the scale division.

This leads to a logarithmic scale with a bad stepSize ( flooded with tick labels ) and alignments.

F.e a range of 11 -> 101 shows the problem.

Discussion

  • Uwe Rathmann

    Uwe Rathmann - 2012-11-20
    • status: open --> closed-fixed
     
  • Uwe Rathmann

    Uwe Rathmann - 2012-11-20

    Fixed in 5.2, 6.0 and trunk

     


Anonymous

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