Avoid item label overlap in time series 1D plots (JFreeChart)

Question

I am trying to find the best strategy to produce a 1D time based plot with labels. It currently looks like this:

enter image description here

The problem is there is spans of time where very little happens, and others with high density.

What I would like to achieve is to distort the time axis so that in the dense areas the labels are spaced apart to avoid overlap. Alternatively, I could imagine to show the actual data points without axis distortion, but distribute the labels so that they do not overlap.

EDIT: This is my attempt to clean up the mess manually, to get an idea of which output I would like to have:

enter image description here

score 3 · Accepted Answer · edited May 23 '17 at 12:30

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You might experiment with some combination of pan and zoom using setDomainPannable() and setMouseWheelEnabled(), seen here and here. Right-click to see the context menu and control-click to pan (option-click on Mac OS X).

edited May 23 '17 at 12:30

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answered Oct 10 '13 at 00:18

trashgod

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Thanks, that is useful, although it doesn't solve the problem of getting out a nice looking PDF. I still need to manually distort the items, although being able to zoom+pan helps in the clean up process. I was more thinking of a non-linear transformation applied to the domain axis. – 0__ Oct 11 '13 at 09:38
Maybe like Mac OS X Dock or Windows Magnifier? Sorry, I don't know of any support for automating this in `JFreeChart`. – trashgod Oct 11 '13 at 15:51

Avoid item label overlap in time series 1D plots (JFreeChart)

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