This function computes the total coverage of a track, and
adds it as an attribute to the track. If the attribute was pre-computed
before, it is returned. Set the overwrite
parameter to TRUE to recompute the coverage.
This function computes the total coverage of a track, and
adds it as an attribute to the track. If the attribute was pre-computed
before, it is returned. Set the overwrite
parameter to TRUE to recompute the coverage.