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1.1 ! root 1: .TI F77/PLOTTING "Sep. 15, 1984" ! 2: Plotting and Graphics ! 3: ! 4: The Fortran callable graphics routines are described in "man 3f plot". ! 5: These are primitive routines for plotting points, lines, arcs, ! 6: and text. They are designed to work with graphics terminals. ! 7: ! 8: From Fortran, printer plots can be made using several IMSL subroutines ! 9: in chapter U of the IMSL manual. Those routines print horizontal ! 10: and vertical histograms and graph functions. ! 11: ! 12: The UNIX graph command (see "man 1g graph") reads data from a file to ! 13: plot points and lines and can be used with the same ! 14: devices as the basic plotting routines mentioned above. ! 15: ! 16: S, a statistical package available on some UNIX systems, ! 17: includes some graphics capabilities. ! 18: ! 19: One way to use graph or S is to run the Fortran program ! 20: writing the output to a file and then run the graphics package. ! 21: The graphics packages can also be run reading the output of the ! 22: Fortran program from a pipe. ! 23: Another way is to call the package at appropriate times during ! 24: the execution of the Fortran program using the subroutine system(), as in: ! 25: ! 26: .nf ! 27: open(8,file='plotin') ! 28: ... code writing to file plotin ! 29: close(8) ! 30: call system('graph plotin | plot -T4014') ! 31: .fi ! 32: ! 33: For up to date information on graphics facilities, see the consultants.
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