1 09/25/79  setup_graphics, sg
 2 
 3 Syntax:  sg {-control_args}
 4 
 5 
 6 Function:  Sets up the I/O switches for graphics input and output.
 7 
 8 
 9 Control arguments:
10 -table gdt_name, -tb gdt_name
11    specifies the graphic device table for the terminal or graphic device being
12    used.  This control argument must be present except when -output_file is
13    specified.
14 -output_file pathname, -of pathname
15    routes graphic output to the file specified.  The file will contain Multics
16    Graphics Code if -table is not supplied; otherwise it will contain graphics
17    code for the device named.
18 
19 
20 -from switchname {open_mode}, -fm switchname {open_mode}
21    specifies the I/O switches to be attached.  This control argument may occur
22    multiple times.  The open_mode may be any opening mode accepted by the
23    io_call command.  (DEFAULT-- -from graphic_output so -from graphic_input si)
24 -to switchname
25    specifies the target switch to which the graphic switches are to be di-
26    rected, through graphic_dim_.  (DEFAULT-- -to tty_i/o -online)
27 
28 
29 -online
30    specifies that all other process I/O switches are to be routed through the
31    graphic_dim_.  (DEFAULT for terminal-like devices.)
32 -offline
33    is short for "-to offline_graphics_".
34 -modes mode_string
35    specifies GDT or device modes to be applied (via iox_$changemode) to the
36    switches named in the -from control arg(s).
37 
38 
39 Examples:
40 To set up graphics I/O to a Tektronix 4014 terminal, issue the command--
41 
42      sg -tb tek_4014
43 
44 To use the CalComp 915/1036 offline plotter, issue--
45 
46      sg -tb calcomp_915 -offline
47 
48 
49 To route Multics Graphics Code into a file for later use, issue--
50 
51      sg -of save.graphics
52 
53 To route alternate graphics I/O switches to a secondary ARDS terminal dialed to
54 the process, issue--
55 
56      sg -from graphic_output1 so -from graphic_input2 si -to dial_switch
57           -table ards