# PolygonHierarchy

#### new Cesium.PolygonHierarchy(positions, holes)
Core/PolygonHierarchy.js 17

  An hierarchy of linear rings which define a polygon and its holes. The holes themselves may also have holes which nest inner polygons.

  Name | Type | 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.

### Members

#### holes : Array.<PolygonHierarchy>
Core/PolygonHierarchy.js 28

  An array of polygon hierarchies defining holes in the polygon.

#### positions : Array.<Cartesian3>
Core/PolygonHierarchy.js 22

  A linear ring defining the outer boundary of the polygon or hole.