public createCrescendoLines(startX: number, endX: number, y: number,
                                wedgeOpeningLength: number = this.rules.WedgeOpeningLength, wedgeLineWidth: number = this.rules.WedgeLineWidth): void {
        const lineStart: PointF2D = new PointF2D(startX, y);
        const upperLineEnd: PointF2D = new PointF2D(endX, y - wedgeOpeningLength / 2);
        const lowerLineEnd: PointF2D = new PointF2D(endX, y + wedgeOpeningLength / 2);