Adaptively-rounded corners on mixed column stacks

This demo shows how adapters can be used to apply custom fuzzy logic to rounded corners on column stacks.

See the Pen Adaptively rounded corners on mixed stacks by amCharts team (@amcharts) on CodePen.

Another version with mixed positive and negative values:

See the Pen Adaptively-rounded corners on mixed stacks by amCharts team (@amcharts) on CodePen.