gridLineInterpolation property

String? gridLineInterpolation
getter/setter pair

Polar charts only. Whether the grid lines should draw as a polygon with straight lines between categories, or as circles. Can be either circle or polygon. Since v8.0.0 this option is also applicable for X axis (inverted polar).

API Docs: https://api.highcharts.com/highcharts/xAxis.gridLineInterpolation

Implementation

String? gridLineInterpolation;