TMS FNC Elevation — Guides
Single coordinate query
Add one TTMSFNCElevationRequestData item to Request.RequestData, set its Coordinate, and call GetElevation.
Batch queries
Add multiple coordinates to Request.RequestData in a single request. The service returns an elevation value for each coordinate in the response.
Result handling
Handle OnGetElevation to receive an TTMSFNCElevationItems collection. Each TTMSFNCElevationItem holds one or more TTMSFNCElevationData entries with the altitude value in metres and the queried coordinate.
Service backends
Set the Service property to select the elevation provider. Available services include Google, Airmap, and MapQuest. Coverage and resolution vary by provider.