There is excellent support for the value-axis. I've searched around and I haven't found a way to set major unit on the category axis (which is a DateAxis object). Is there a way to set the major unit for the x-axis to be e.g. 3 months instead of 1 month?

There is excellent support for the value-axis. I've searched around and I haven't found a way to set major unit on the category axis (which is a DateAxis object). Is there a way to set the major unit for the x-axis to be e.g. 3 months instead of 1 month?