public AggregateMapDataProvider(IFileSystemService fileSystemService, INetworkService networkService, ITrace trace) { _osmMapDataProvider = new OpenStreetMapDataProvider(fileSystemService, networkService, trace); _mapzenMapDataProvider = new MapzenMapDataProvider(fileSystemService, networkService, trace); _mapzenElevationDataProvider = new MapzenElevationDataProvider(fileSystemService, networkService, trace); _srtmElevationDataProvider = new SrtmElevationDataProvider(fileSystemService, networkService, trace); }