new PolygonHierarchy(positionsopt, holesopt)
    An hierarchy of linear rings which define a polygon and its holes.
The holes themselves may also have holes which nest inner polygons.
    Parameters:
| Name | Type | Attributes | Description | 
|---|---|---|---|
| positions | Array.<Cartesian3> | <optional> | A linear ring defining the outer boundary of the polygon or hole. | 
| holes | Array.<PolygonHierarchy> | <optional> | An array of polygon hierarchies defining holes in the polygon. | 
- Source:
Members
holes :Array.<PolygonHierarchy>
    An array of polygon hierarchies defining holes in the polygon.
    Type:
- Array.<PolygonHierarchy>
- Source:
positions :Array.<Cartesian3>
    A linear ring defining the outer boundary of the polygon or hole.
    Type:
- Array.<Cartesian3>
- Source: