Source: idf/trk_idf/trk_idf__read_maps.pro
trk_idf::read_maps Read the trkmap file for Track/pha IDF Usage: trkref -> read_maps[, file] Argument: file string If given, then read the maps 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 Remove VMS support: 15/4/03; SJT