IGS--The Integrated Graphics System for the S-C 4060.
A description of the Integrated Graphics System, a machine-independent package of FORTRAN subroutines which may be called from FORTRAN, COBOL, PL/1, or machine language programs to produce graphic output on the S-C 4060. IGS eliminates the usual FORTRAN restriction that prevents programmers from addressing a single character directly. The GRAFPAC mode-set concept was used: subroutines can be modified without changing the program by simply adding a footnote to the coding or specifying an option. IGS accepts user coordinates and translates them internally into machine rasters (unless otherwise specified). Special control characters are provided for specifying typographical characters beyond those on the usual keypunch. Users may also produce their own fonts by specifying the vectors. Grids, linear or nonlinear on either axis, are automatically plotted. One subroutine draws an entire graph with a single call. 14 pp. Ref.