start
external fun startTrackPositions(updatePositionMs: Int, settings: MarkerCollectionRenderSettings, dataSource: DataSource? = null): Int
Start the sense data source improved position tracking on map by rendering a marker polyline between relevant map links points
Return
error code (0 at success)
Parameters
update
The tracked position collection update frequency. High frequency may decrease rendering performances on low end devices
settings
The markers collection rendering settings in the map view
ds
The sense::DataSourcePtr object which positions are tracked. Default uses the PositionService current data source as input