This section contains the detailed file format specification of the various data and parameter file types that are used by GRTOOL. For normal operation where all files are generated by GRTOOL itself, a user does not need to be concerned about these details.
However, when the GRTOOL programs are used with data files that are created outside the GRTOOL / EMME/2 context, it is necessary to make sure that the file used corresponds to the proper file format rules.
Unless explicitly stated otherwise, free format is used to interpret the contents of the individual records. Records are composed of several fields which are separated by blank space.