Bug 207825 Crosstab gives wrong default for Totals on Count
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/AbstractCrosstabModelTask.java
* Removes all the aggregations related with the level view on particular
	 * measure.
	 * 
	 * @param levelView
	 */
	protected void removeMeasureAggregations( LevelViewHandle levelView,
			int measureIndex ) throws SemanticException
	{
		if ( levelView == null || levelView.getCrosstab( ) != crosstab )
			return;
		String dimensionName = ( (DimensionViewHandle) levelView.getContainer( ) ).getCubeDimensionName( );
		String levelName = levelView.getCubeLevelName( );
		if ( dimensionName == null || levelName == null )
			return;
		if ( measureIndex >= 0 && measureIndex < crosstab.getMeasureCount( ) )
		{
			removeMeasureAggregations( dimensionName,
					levelName,
					levelView.getAxisType( ),
					measureIndex );
		}
	}
	/**
	 * Removes all the aggregations related with the grand-total in the
	 * specified axis type.
	 * 
	 * @param axisType
	 */
	protected void removeMeasureAggregations( int axisType )
			throws SemanticException