Bug 161901 Z-Axis Title is truncated
Z-Axis Title is truncated Steps to reproduce: 1. Create a 3D bar chart. 2. Set Z-Axis Title visible. 3. Check the Chart Preview window. 4. Preview. Expected result: The Z-Axis Title is fully displayed both in Chart Preview window and when previewed. Actual result: Z-Axis Title is truncated
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/Engine3D.java
* Viewer plane distance
	 */
	private double VIEW_DISTANCE = 200;
	/**
	 * Model plane distance
	 */
	private double MODEL_DISTANCE = 290;
	/**
	 * Front plane distance
	 */
	private double FRONT_DISTANCE = 20;
	/**
	 * Back plane distance
	 */
	private double BACK_DISTANCE = 600;
	/**
	 * Perspective distance
	 */
	private double PERSPECTIVE_VALUE = 100;
	/**
	 * Plane Reference Points
	 */
	private Vector[] PRP;
	/**
	 * Normal Vectors of Plane
	 */
	private Vector[] PNV;
	/**
	 * Center of projection
	 */