RFC398 ICP Sockets
0398 ICP Sockets. J.R. Pickens, E. Faeh. September 1972. (Format: TXT=3846 bytes) (Status: UNKNOWN)
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NWG/RFC #398 John R. Pickens
UCSB Online Graphics Edward D. Faeh
NIC 11911 UCSB
22 Sept 72
At present, users with TEKTRONIX or IMLAC terminals or with systems
that support the proposed level 0 graphics protocol can access UCSB
graphics. Listed below are the ICP sockets for the currently
supported terminals and protocols. Any detailed questions about or
problems with a particular protocol should be directed to Ed Faeh
(805-961-4047).
Socket Supports
x'701' IMLAC with special software designed
by Jerry Powell (MITRE Corp.).
Graphics is sent over a simplex
connection to the IMLAC. Alphanumerics
are sent over a TELNET-like connection
to a separate device. The IMLAC
software can be loaded from MIT-DMCG.
x'703' IMLAC with 80x80 display grid
and Standard Text and Edit Package.
Some IMLACs have a 64x64 display grid.
Therefore, the choice may be made in
the near future to format the
graphics output from this connection
for the smaller grid resolution so
that both terminal types may be handled.
Display resolution is limited with
this terminal configuration as
normal UCSB terminals have 1024x1024
grid. Nevertheless, meaningful
displays are obtained even at the
lower resolutions.
x'705' Current Level 0 graphics protocol.
x'707' Same as x'701' but with special
UCSB online keyboard as input.
This configuration averts the
necessity of spelling out online
operators.
x'709' Same as x'705' but with special
UCSB online keyboard as input.
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NWG/RFC# 398 JRP EDF 22-SEP-72 16:25 11911
UCSB OnLine Graphics
x'801' TEKTRONIX terminals. Models 4002-A
4010, and T-4002 have been tested
successfully. Presumably all other
4002 compatible terminals will also work.
The primary problems that will be encountered by the network user
center about display formatting. For historical reasons (i.e. only
one type of terminal in house ) no means were included in the system
to facilitate terminal independent random positioning of alphanumeric
output. Thus, a program which draws and labels a graph neatly on one
terminal might label like a kindergartener on other terminals.
Nevertheless, this problem can be minimized with careful programming
and efforts are underway to provide at least minimal alphanumeric
device independence.
Users interested in experimenting with online graphics should contact
John Pickens (805-961-3454), Glen Davis (805-961-2462), or Mark
Krilonovich (805-961-3454). Suggestions and criticisms of all aspects
of the UCSB OnLine - Network User interface are desired.
[ This RFC was put into machine readable form for entry ]
[ into the online RFC archives by BBN Corp. under the ]
[ direction of Alex McKenzie. 1/97 ]
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