getMax method

double getMax()

Implementation

double getMax() {
  var max = double.negativeInfinity;
  for (final seriesItem in series) {
    for (final item in seriesItem.data ?? const []) {
      final value = ChartDataValueReader.yValueOrNull(item);
      if (value != null && value > max) max = value;
    }
  }
  return max.isFinite ? max : 0;
}