Orientation options
getOrgChart.RO_TOP
getOrgChart.RO_BOTTOM
getOrgChart.RO_RIGHT
getOrgChart.RO_LEFT
getOrgChart.RO_TOP_PARENT_LEFT
getOrgChart.RO_BOTTOM_PARENT_LEFT
getOrgChart.RO_RIGHT_PARENT_TOP
getOrgChart.RO_LEFT_PARENT_TOP