string getLocAlongTrackAtTime( string ck, long t )
This method returns the location along the track with CARIS Key ck that corresponds to time t. The location is returned as a comma-separated list (x,y) in Exchange Coordinates, unless the map type is NRMR.
The method returns the empty string, i.e. "", under any of the following conditions:
- No feature found with CARIS Key ck
- Feature with CARIS Key ck is not a track
- The given time t does not correspond to a location along the track, i.e. it is either prior to the initial time or after the final time of the track.