How to do double domain crosshair using jFreeChart

StackOverflow https://stackoverflow.com/questions/9321693

题

How can I implement the double domain cross-hairs for my jfreechart? Here is the requirement I need to honor.

enter image description here

The image is photo edited to show my requirement.

Thanks in advance

有帮助吗？

解决方案

You can use a ValueMarker, as shown here. You'll need to set the dash attributes in your Stroke; DEFAULT_GRIDLINE_STROKE is an example.

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