Bug 212370 [Regression] Negative value can not be shown both in chart builder and when preview [13]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/PlotWith2DAxes.java
{
						
						dX = Double.NaN;
					}
					catch ( ChartException dfex )
					{
						dY = dOrthogonalZero; 
					}
					if ( aax.areAxesSwapped( ) )
					{
						final double dTemp = dX;
						dX = dY;
						dY = dTemp;
					}
				}
				lo = LocationImpl.create( dX, dY );
				
				double dLength = 0;
				if ( !bScatter )
				{
					dLength = dUnitSize;
				}
				else
				{
					for ( int j = 0; j < iTickCount - 1; j++ )
					{
						if ( aax.areAxesSwapped( ) )
						{
							
							if ( ( dY <= daTickCoordinates.getCoordinate( j ) && dY >= daTickCoordinates.getCoordinate( j + 1 ) )