| Overload | Description | 
|---|---|
| GetZsFromSurfaceAsync(Geometry) | Obtains a geometry that is similar to the given input geometry, where some or all Z values are populated from the default Ground Surface Layer. | 
| GetZsFromSurfaceAsync(Geometry,ElevationSurfaceLayer) | Obtains a geometry that is similar to the given input geometry, where some or all Z values are populated from the specified Elevation Surface Layer. | 
| GetZsFromSurfaceAsync(Geometry,ElevationSurfaceLayer,SurfaceZsMissingHandler) | Obtains a geometry that is similar to the given input geometry, where some or all Z values are populated from the specified Elevation Surface Layer. | 
| GetZsFromSurfaceAsync(Geometry,ElevationSurfaceLayer,SurfaceZsMissingHandler,CancellationToken) | Obtains a geometry that is similar to the given input geometry, where some or all Z values are populated from the specified Elevation Surface Layer. |