     if (this.showSubdividedView && this.subdivisionLevelInput) {
                    const updateLevel = (newLevel) => {
                        this.currentSubdivisionLevel = Math.max(0, Math.min(4, newLevel));
                        this.subdivisionLevelInput.value = this.currentSubdivisionLevel;
                        scheduleGlobalRedraw();
                    };

                    this.levelMinusButton.addEventListener('click', () => {
                        updateLevel(this.currentSubdivisionLev