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
double maxTop = Double.MAX_VALUE;
		double maxBottom = -Double.MAX_VALUE;
		Location p2d;
		double x, y;
		for ( Iterator itr = vertexList.iterator( ); itr.hasNext( ); )
		{
			Location3D p3d = (Location3D) itr.next( );
			event.setLocation3D( Location3DImpl.create( p3d.getX( ),
					p3d.getY( ),
					p3d.getZ( ) ) );
			if ( engine.processEvent( event, xOff, yOff ) != null )
			{
				p2d = event.getLocation( );
				x = p2d.getX( );
				y = p2d.getY( );
				if ( x < maxLeft )
				{
					maxLeft = x;
				}
				if ( x > maxRight )
				{
					maxRight = x;
				}
				if ( y < maxTop )
				{
					maxTop = y;
				}
				if ( y > maxBottom )
				{
					maxBottom = y;