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Using the getMaximumAxisValue() will tell me the maximum value of the series, but not the maximal value actual visible on screen.

I want to resize my y-axis on depending on the values displayed. I wrote a listener, which will do this, if the last value is 70% of the maximal visible value. But I cannot find a way to get this max. visible value

Any idea?

Better to use tooltiptext
Collection = chartPanel.getChartRenderingInfo().getEntityCillection.getEntities(new Entiti{0])
then, Entity = collection.get(i);
then gettooltiptext from entity.
and then format that string and get whats value you want
for solve your problem

There was an interesting method proposed by Fujiko in the following memo :
http://www.jfree.org/phpBB2/viewtopic.p ... &&start=15

I tried for me and it works !