| Overload | Description | 
|---|---|
| GetZsFromSurfaceAsync(Geometry) | Obtains a geometry that is similar to the given input geometry, where all Z values are populated from the default Ground Surface. | 
| GetZsFromSurfaceAsync(Geometry,String) | Obtains a geometry that is similar to the given input geometry, where all Z values are populated from an Elevation Surface identified by the given surface name. | 
| GetZsFromSurfaceAsync(Geometry,String,SurfaceZsMissingHandler) | Obtains a geometry that is similar to the given input geometry, where some or all Z values are populated from an Elevation Surface identified by the given surface name. | 
| GetZsFromSurfaceAsync(Geometry,String,SurfaceZsMissingHandler,CancellationToken) | Obtains a geometry that is similar to the given input geometry, where some or all Z values are populated from an Elevation Surface identified by the given surface name. |