RFC225 Rand/UCSB network graphics experiment

0225 Rand/UCSB network graphics experiment. E. Harslem, R. Stoughton. September 1971. (Format: TXT=13573 bytes) (Updates RFC0074) (Status: UNKNOWN)

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Network Working Group                                    E. Harslem Rand
Request for Comments: 225                                           UCSB
NIC 7624                                               13 September 1971
Category:  D.6
Updates:  RFC #74


                 RAND/UCSB NETWORK GRAPHICS EXPERIMENT

INTRODUCTION

   During the Network Graphics Meeting in July, several experiments were
   outlined to explore graphics over the Network.  One of these was the
   use of the UCSB On-Line System (OLS) from graphic consoles at Rand.

   The connection was completed in the latter half of August and has
   been used on an experimental basis since then.  OLS users from UCSB
   and TRW (in Los Angeles) have visited Rand and accessed OLS via Rand
   consoles and the Network.  Thus, the first phase of the experiment
   was completed in August.

   We are still in the midst of the second phase of the experiment which
   involves cleaning up the initial implementation and reviewing and
   modifying our initial strategies for the OLS connection.

IMPLEMENTATION OF THE EXPERIMENT

UCSB

   UCSB has had a Network interface on the OLS for some time.  For a
   description, see RFC #74.  The descriptions in RFC #74 were modified
   to conform to current Network protocols (NCP and ICP) and to conform
   to what we considered a general graphics description.

   Basically, the OLS receives an EBCDIC-like input byte stream and
   generates an unstructured graphical output stream.  These protocols
   will be documented at the completion of our experimentation and
   presented at the Network graphics meeting in October.

   The Rand Video-Graphics System (VGS) was used to access the OLS via
   the Network.  The Video-Graphics System and its consoles are
   described in R-753-ARPA available from the Rand Reports Department.

   VGS consoles had been connected previously to the Network via the
   Rand Network Services Program (NSP).  Originally, NSP was designed to
   afford NCP checkout features, logging in to and use of remote systems
   and access to UCSB RJE and UCLA RJS.  An additional module was easily
   added to access the OLS.



Stoughton                                                       [Page 1]

RFC 225          RAND/UCSB NETWORK GRAPHICS EXPERIMENT    September 1971


   Input to the OLS was done via a Rand tablet on a VGS console.  Input
   to the OLS module in NSP is accomplished by moving the tablet cursor
   (not shown in the attached figures) which appears as a small dot on
   the screen to the desired function button and pressing the tablet pen
   down on the tablet.

   Figure 1 shows the initial display from the OLS module.  The top of
   the screen has a feedback line, the remainder of the upper half is
   the output display from the OLS, and the lower half is a large
   sensitive area containing various function buttons (pic-table).

   The sensitive areas fall into three classes:

          (1)  the right most column (CALL, CLOSE)
          connects/disconnects to OLS over the Network.
          The third function (COPY) generates hardcopy
          via an SC 4060. (The figures are, in fact,
          SC 4060 hardcopy.)

          (2)  The grid area contains the OLS function
          buttons normally on a special function keyboard.
          (See RFC #74.)

          (3)  The lower area allows entry of number,
          characters and punctuation.

   Figure 2 shows the login sequence to OLS and Figure 3, SIN and COS
   curves from -PI to +PI generated by OLS.

   Completion of the Experiment

   We plan to present the experiment at the October graphics meeting in
   two forms.  First, a description of the protocols and techniques used
   in implementing the remote network connection along with conclusions.
   Second, we will make a film showing the use of the OLS from Rand and
   present it at the meeting.















Stoughton                                                       [Page 2]

RFC 225          RAND/UCSB NETWORK GRAPHICS EXPERIMENT    September 1971


+--------------------------------------------------------------+
|                                                              |
|                                                              |
|                                                              |-+
|                UCSB OLS INIT STATS                           | |Feed-
|                                                              |-+back
|                                                              |-+
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |OLS
|                                                              | |Dis-
|                                                              | |play
|                                                              | |Area
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              |-+
 +---+---+---+---+---+---+---+---+---+---+---+---+---+---+     |-+
|| 0 | I | II|III|IV | V |VI |VII|REL|CMX|SYS|USR|TYP|LST|CALL | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
||PLS|MIN|TIM|DIV|SQ |SQT|CNJ|INV|DIF|SUM|PRD|SOR|PRD|TST|CLOSE| |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |Input
||LS |RS |REF|UP |DWN|EVL|SUB|MAX|MOD|NEG|CTX|ENL|CON|RPT|COPY | |But-
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |tons
||SIN|COS|LOG|EXP|PWR|ATN|ARG|DEL|CNV|ID |LOD|STO|ENT|   |     | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
||CAS|   |   |   |   |   |   |DIS|<<<|BEL|   |ERS|RST|   |     | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
|         ABCDEFG       + = / #   12345                        | |
|         HIJKLMN       , ; = .   67890                        | |
|         OPQRSTU       <-<-<-<-  ()?                          | |
|         VWXYZ b       ' \ \                                |-+
+--------------------------------------------------------------+







Stoughton                                                       [Page 3]

RFC 225          RAND/UCSB NETWORK GRAPHICS EXPERIMENT    September 1971


+--------------------------------------------------------------+
|                                                              |
|                                                              |
|                                                              |-+
|                UCSB OLS CONNECTED                            | |Feed-
|                                                              |-+back
|  ENTER USER NUMBER 196                                       |-+
|  ID NUMBER=                                                  | |
|  USER NAME= ARPA                                             | |
|  JOB NAME= RAND/RFC                                          | |
|  AUTOSAVE CODE = 3                                           | |
|  LOAD MOLSF                                                  | |
|  FILE LOADED                                                 | |
|                                                              | |
|                                                              | |
|                                                              | |OLS
|                                                              | |Dis-
|                                                              | |play
|                                                              | |Area
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              | |
|                                                              |-+
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     |-+
|| 0 | I | II|III|IV | V |VI |VII|REL|CMX|SYS|USR|TYP|LST|CALL | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
||PLS|MIN|TIM|DIV|SQ |SQT|CNJ|INV|DIF|SUM|PRD|SOR|PRD|TST|CLOSE| |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |Input
||LS |RS |REF|UP |DWN|EVL|SUB|MAX|MOD|NEG|CTX|ENL|CON|RPT|COPY | |But-
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |tons
||SIN|COS|LOG|EXP|PWR|ATN|ARG|DEL|CNV|ID |LOD|STO|ENT|   |     | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
||CAS|   |   |   |   |   |   |DIS|<<<|BEL|   |ERS|RST|   |     | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
|         ABCDEFG       + = / #   12345                        | |
|         HIJKLMN       , ; = .   67890                        | |
|         OPQRSTU       <-<-<-<-  ()?                          | |
|         VWXYZ b       ' \ \                                |-+
+--------------------------------------------------------------+







Stoughton                                                       [Page 4]

RFC 225          RAND/UCSB NETWORK GRAPHICS EXPERIMENT    September 1971


+--------------------------------------------------------------+
|                                                              |
|                          ___        ___                      |-+
|                         /   \      /   \                     | |
|                        /     \    /     \                    | |
|                       /       \  /       \                   | |
|                      /         \/         \                  | |
|                     /          /\          \                 | |
|                    /          /                              | |
|                              /   \          \                | |
|                   /               \          \               | |
|                  /          /                                | |
|                                    \          \              | |
|                 /          /        \          \             | |
|      ___________________________________________             | |
|                                                              | |
|      \         |          |          \                       | |OLS
|               /          /                                   | |Dis-
|       \                               \                      | |play
|              /          /                                    | |Area
|        \               /               \                     | |
|             /                           \                    | |
|         \  /          /                                      | |
|          \/          /                   \                   | |
|           \         /                     \                  | |
|          / \       /                       \                 | |
|         /   \     /                         \                | |
|      __/     \___/                           \__             | |
|                                                              |-+
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     |-+
|| 0 | I | II|III|IV | V |VI |VII|REL|CMX|SYS|USR|TYP|LST|CALL | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
||PLS|MIN|TIM|DIV|SQ |SQT|CNJ|INV|DIF|SUM|PRD|SOR|PRD|TST|CLOSE| |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |Input
||LS |RS |REF|UP |DWN|EVL|SUB|MAX|MOD|NEG|CTX|ENL|CON|RPT|COPY | |But-
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |tons
||SIN|COS|LOG|EXP|PWR|ATN|ARG|DEL|CNV|ID |LOD|STO|ENT|   |     | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
||CAS|   |   |   |   |   |   |DIS|<<<|BEL|   |ERS|RST|   |     | |
|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+     | |
|         ABCDEFG       + = / #   12345                        | |
|         HIJKLMN       , ; = .   67890                        | |
|         OPQRSTU       <-<-<-<-  ()?                          | |
|         VWXYZ b       ' \ \                                |-+
+--------------------------------------------------------------+

          [ This RFC was put into machine readable form for entry ]
          [ into the online RFC archives by Mark Davidson    1/00 ]



Stoughton                                                       [Page 5]

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