Source: idf/trk_idf/trk_idf__read_tracks.pro
trk_idf::read_tracks Read the lantracks?.def file, and split it into the bin map and the species map. Usage: trkref -> read_tracks[, file] Argument: file string If given, then read the bins data from this file, under normal circumstances this should not be used as setting the version should pick up a properly matched set of files. History: Original: 4/2/00; SJT Replace findfile calls: 15/4/03; SJT Remove VMS support: 15/4/03; SJT