Method getCenterPoint

src/elements/element.arc.ts:372–388

(useFinalPosition: boolean)

  }

  getCenterPoint(useFinalPosition: boolean) {
    const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([
      'x',
      'y',
      'startAngle',
      'endAngle',
      'innerRadius',
      'outerRadius'
    ], useFinalPosition);
    const {offset, spacing} = this.options;
    const halfAngle = (startAngle + endAngle) / 2;
    const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2;
    return {
      x: x + Math.cos(halfAngle) * halfRadius,
      y: y + Math.sin(halfAngle) * halfRadius
    };
  }

  tooltipPosition(useFinalPosition: boolean) {
    return this.getCenterPoint(useFinalPosition);