GR(DOCS)              Optical Printer Control Systems             GR(DOCS)

NAME
    gr - graph moves

SYNOPSIS
    gr file.pos chans [sfrm efrm]

        file.pos - the name of the position file
        chans    - channels to graph. Can be any letter a thru p.
                   Can be ranges like 'a-d', or comma delimited lists like
                   'a,d,e' or combinations like 'a,d-j'.
        sfrm     - starting frame of move
        efrm     - ending frame of move

    If any of the options are not supplied, the user will be prompted.

EXAMPLE
    gr foo.pos e-f   1 50
       ------- ----- ----
       File    Chans Frames

DESCRIPTION
    gr is an external .exe tool that runs in DOS, but can be run from within
    OPCS using either '! gr foo.pos e-f 1 50' or gr can be added as an OPCS
    command using DOSCMD(OPCSDEFS).

    gr will graph the columns of numbers in the specified positions file.

EDITING KEYS

         Left/Right Arrow - Select a different frame (also ^B/^F)
            Tab/Shift-Tab - Jump forward/reverse frames 10% of screen
            Up/Down Arrow - Adjust position +/- 1/20th screen (also ^P/^N)
             Ctrl-Up/Down - Micro-adjust positions +/- 1
             Home/End     - Move cursor to start/end frame
                        . - Toggle drawing points instead of lines
                        r - Redraw screen
                        s - Enter new frame range
                   ESC, q - Quit
                      a-p - Select channel A through P
                       ^E - Toggles 'noclear' mode, leaves trail of edit positions
              ^M or Enter - Modify current position by typing in a new value

HARDWARE
    It is assumed your video card is capable of displaying rudimentary
    640x350 16 color graphics (EGA/VGA). All graphics cards should
    support this mode. BIOS mode 16, e.g. INT 10H, AH=0, AL=10H.

AUTHOR
    Greg Ercolano, Venice California 1998