Logarithmic surprise
lazarus / 55-TAChart

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hakelm · 2015-02-01 14:51

Trying to create a  log-lin tagraph I was in for a surprise, see the
attached image. Using TChartAxisTransformations with a
TLogarithmAxisTransform for the bottom axis the resulting graph looks
the same as the one without any transformation. The bottom axis is,
however, transformed showing labels which are the x-values raised to
the 10th power.
Where am I wrong?
H

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balazsszekely · 2015-02-01 15:14

http://wiki.lazarus.freepascal.org/TAChart_Tutorial:_ListChartSource,_
Logarithmic_Axis,_Fitting#Setting_up_a_logarithmic_axis

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hakelm · 2015-02-01 15:23

Thanks!
I had missed the AxisIndexX property. Setting it to '1 Bottom' did the
trick.
H