Sample OPJ to download to try: Multi breaks and Other Axis Related.opj

...

Example	Description
layer.x.breaks.gap = 100;	When value is bigger than 30, means percent of one percent of the axis length. In this case, total width 1% of axis length.
layer.x.breaks.gap = 15;	Value between 1-30 is used to expressed in 1/10 of major tick length. 15 means 1.5 times tick length.
layer.x.breaks.gap = 0;	Follow @AB
layer.x.breaks.gap = -120;	When value is negative, means unit is in 1/10 of point size. -120 means the gap will have 12 point size.

...

Example	Description
layer.x.breaks.enable = 1;	1 to turn on axis breaks on x axis, 0 to turn it off.
layer.x.breaks.count = 2;	It means Number of Breaks = 2.
layer.x.break#.from = 5;	# could be numerical value. layer.x.break1.from=5 means Region From of the first break is 5.
layer.x.break#.to = 10;	# could be numerical value. layer.x.break1.to=10 means Region To of the first break is 10.

Axis Break without Gap

layer.x.breaks.gap