Bug 194727 Pyramid chart with 2d+ dimension should like a pyramid
Pyramid chart in 2d+ dimension should like a pyramid, rather than a triangle with depth effect. In addition, pyramid in 2d+ should like itself in 3d as well. Take a look at attached screenshot to compare the charts.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
lerh,
				bo,
				getRunTimeContext( ).getScriptContext( ) );
		getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_LEGEND_ITEM,
				lerh );
		bo.setLeft( bo.getLeft( ) * dScale );
		bo.setTop( bo.getTop( ) * dScale );
		bo.setWidth( bo.getWidth( ) * dScale );
		bo.setHeight( bo.getHeight( ) * dScale );
		final BaseRenderer br = lirh.getRenderer( );
		br.renderLegendGraphic( ipr, lg, fPaletteEntry, bo );
		
		final TextRenderEvent tre = (TextRenderEvent) ( (EventObjectCache) ir ).getEventObject( StructureSource.createLegend( lg ),
				TextRenderEvent.class );
		double dLaAngle = la.getCaption( ).getFont( ).getRotation( );
		if ( isRightToLeft( ) )
		{
			dLaAngle = -dLaAngle;
		}
		double dDeltaHeight = 0;
		if ( dLaAngle > 0 && dLaAngle < 90 )
		{
			dDeltaHeight = ( bo.getHeight( ) + dFullHeight - dItemHeight ) / 2;
		}
		else if ( dLaAngle < 0 && dLaAngle > -90 )
		{
			dDeltaHeight = ( bo.getHeight( ) - dFullHeight + dItemHeight ) / 2;
		}
		else if ( dLaAngle == 0 || dLaAngle == 90 || dLaAngle == -90 )
		{