Bug 181361 Exception is thrown out in Chart builder when you set all null values for Value Series [0001]
Description: Exception is thrown out in Chart builder when you set all null values for Value Series. Build number: 2.2.0.v20070405-0630 Steps to reproduce: 1. Create a Bar Chart, set all null value data for Value Series. Expected result: No exception is thrown out. Actual result: Exception is thrown out (See the screenshot). Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWith3DAxes.java
}
				fit = vSpace > 0 && hSpace > 0;
			}
			if ( fit )
			{
				lastMinspace = minSpace;
				minSpace = Math.min( hSpace, vSpace );
				double nextScale = 2 * scale - lastScale;
				lastScale = scale;
				scale = nextScale;
			}
			else if ( !iterateStarted )
			{
				iterateStarted = true;
			}
		}
		return lastScale;
	}
	private double computeAxisZoomFactor( Engine3D engine, double start,
			double end, Location3D startVertext, Location3D endVertext,
			double xOff, double yOff )
	{
		Text3DRenderEvent event = new Text3DRenderEvent( this );
		Location p2d;
		double x1, y1, x2, y2;
		event.setLocation3D( startVertext );
		if ( engine.processEvent( event, xOff, yOff ) != null )
		{
			p2d = event.getLocation( );
			x1 = p2d.getX( );