height property
Height of the marker shape.
Defaults to 4.
Widget build(BuildContext context) {
  return SfCartesianChart(
    series: <SplineSeries<SalesData, num>>[
      SplineSeries<SalesData, num>(
        markerSettings: MarkerSettings(
          isVisible: true,
          height: 6
        ),
      ),
    ],
  );
}
Implementation
final double height;