The leader tag must be a child of the label tag. This tag identifies an XSeen 3D object that is one endpoint of the line connecting the annotation region to the object. The object is identified by it’s HTML id attribute value. There may be multiple leader tags per label. Each leader tag identifies a separate object and a line is drawn for each valid leader target. The end point of the leader line is the origin of the object’s coordinate system.
- target – The HTML id value of an XSeen 3D object. The leader is valid if the id value is an XSeen object. No leader lines are drawn to invalid objects.