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Style Portions of Line Chart Trends

Hi,
Wondering if there is currently a direct or indirect way to apply styles (e.g. “line: {dash: ‘dot’}”) to a segment/portion/region of a trace or data series, as is done here: http://c3js.org/samples/simple_regions.html
Thanks!

Unfortunately, line style options are configurable at the trace level at the moment.

To highlight a special region, I’d recommend splitting your (x,y) data into multiple traces, one per style configurable.