Method midAngleLocation

js/src/Pie.ts:278–285

(arc_data)

  }

  private midAngleLocation(arc_data) {
    // decides if the location of the mid angle of the arc is toward left or right (to aid the
    // placement of label text)
    const mid_angle = (arc_data.startAngle + arc_data.endAngle) / 2;
    return mid_angle > Math.PI || (mid_angle < 0 && mid_angle > -Math.PI)
      ? 'left'
      : 'right';
  }

  draw(animate?: boolean) {
    this.set_ranges();