protected void setLeafGap(double value) {

		this.leafGap = value;

	}

	protected void setBranchGap(double value) {

		this.branchGap = value;

	}

	protected void setLayerGap(double value) {

		this.layerGap = value;

	}

	protected double getLeafGap() {

		return this.leafGap;

	}

	protected double getBranchGap() {

		return this.branchGap;

	}

	protected double getLayerGap() {

		return this.layerGap;

	}