public createSecondHalfDiminuendoLines(startX: number, endX: number, y: number,
                                           wedgeMeasureBeginOpeningLength: number = this.rules.WedgeMeasureBeginOpeningLength,
                                           wedgeLineWidth: number = this.rules.WedgeLineWidth): void {
        const upperLineStart: PointF2D = new PointF2D(startX, y - wedgeMeasureBeginOpeningLength / 2);
        const lowerLineStart: PointF2D = new PointF2D(startX, y + wedgeMeasureBeginOpeningLength / 2);