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Info-Graphics Digest	Sun Jun 21 03:00:26 PDT 1987

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Today's Topics:

 Submission
 intersection algorithm wanted
 GI '88 Call for Papers
 Video recorded graphics

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Date: Mon, 15 Jun 87 17:29:16 +0200
From: mcvax!cwi.nl!tomi@seismo.CSS.GOV (Tetsuo Tomiyama)
Subject: Submission
Organization: CWI, Amsterdam

                         Call For Papers

     SECOND EUROGRAPHICS WORKSHOP ON INTELLIGENT CAD SYSTEMS

                    -Implementational Issues-

               APRIL 12-15, 1988, THE NETHERLANDS


                          Organized by
  CENTRE FOR MATHEMATICS AND COMPUTER SCIENCE (CWI), AMSTERDAM

                          Sponsored by
                          EUROGRAPHICS


AIM AND SCOPE

     This  is  the  second  workshop  of  a   series   of   three
     Eurographics workshops on Intelligent CAD Systems which have
     the following main topics;
          - 1st, 1987: Theoretical and methodological aspects.
          - 2nd, 1988: Implementational issues.
          - 3rd, 1989: Practical experiences and evaluation.
     Since applying knowledge engineering to  CAD  systems  seems
     very  promising  to  solve  the problems of conventional CAD
     systems,  it  has  drawn  attention  from   not   only   CAD
     researchers  but  also  AI  researchers.  The first workshop
     which was held on April 21-24,  1987,  in  the  Netherlands,
     aimed  at discussing the results and problems in this highly
     interesting field.  We have realized that ad hoc  approaches
     will  eventually  result  in  increased  complexity  of  CAD
     applications and that we need a robust theoretical basis for
     development.

     This  second  workshop  in  1988  is  planned   to   discuss
     implementational  issues  and to clarify problems associated
     with developing  intelligent  CAD  systems  based  on  those
     theoretical and methodological considerations.  The scope of
     the workshop includes, but is not limited to;
          1) Role   of  theories  to  implement  intelligent  CAD
     	     systems.
          2) Implementations  of  theories  for  intelligent  CAD
     	     systems.
          3) Architecture of intelligent CAD systems.
          4) Techniques and tools to  implement  intelligent  CAD
     	     systems.
          5) Acquisition and maintenance of design knowledge.
          6) Innovative  and   large-scale   implementations   of
     	     intelligent CAD systems.
          7) Problems and  future  tasks  in  implementations  of
     	     intelligent CAD systems.
     We  are  especially  interested  in  reports   telling   how
     theoretical work influenced implementations.

SCHEDULE FOR THE SECOND WORKSHOP

     November 1, 1987: Deadline   for   extended   abstracts  and
     		       position papers.
     December 1987: Notification of acceptance for presentation.
     February 1988: Acceptance of participation.
     April 12-15, 1988: Workshop (Full papers are submitted  just
     			before the workshop).
     May 1988: Deadline for final manuscripts for publication.

SERIES SCHEDULE

     Approximately 15 reviewed papers will be presented  in  this
     second  workshop.   Participants will be limited to about 50
     based on invitation.  Intended authors and participants  are
     invited  to  submit  extended  abstracts or position papers.
     The results of  this  series  of  three  workshops  will  be
     published  by Springer-Verlag as Eurographics Seminar Books.
     The report  on  the  first  workshop  held  in  April  1987,
     "Intelligent  CAD  Systems 1: Theoretical and Methodological
     Aspects," will be published in August 1987.

     This series of workshop is being organized under cooperation
     with  IFIP  Working  Group  5.2 Workshops on Intelligent CAD
     Systems but with different scopes.

ORGANIZATION

Co-Chairmen
     P.J.W. ten Hagen (CWI, NL)
     T. Tomiyama (The University of Tokyo, J)
Technical Secretary
     P.J. Veerkamp (CWI, NL)
Workshop Secretary
     E. Both (CWI, NL)
Program Committee
     A.M. Agogino (University of California, Berkeley, USA)
     V. Akman (CWI, NL)
     F. Arbab (University of Southern California, USA)
     P. Bernus (Hungarian Academy of Sciences, H)
     A. Bijl (University of Edinburgh, UK)
     J. Encarnacao (TH Darmstadt, D)
     S.J. Fenves (Carnegie Mellon University, USA)
     D. Gossard (MIT, USA)
     F. Kimura (The University of Tokyo, J)
     T. Kjellberg (Royal Institute of Technology, S)
     G.A. Kramer (Schlumberger Palo Alto Research, USA)
     M. Mac an Airchinnigh (University of Dublin, IRL)
     K. MacCallum (University of Strathclyde, UK)
     S. Murthy (IBM Thomas J. Watson Research, USA)
     F.J. Schramel (Philips, NL)
     D. Sriram (MIT, USA)
     W. Strasser (Universitaet Tuebingen, D)
     T. Takala (Technical University of Helsinki, SF)
     F. Tolman (TNO, NL)

INFORMATION

     Please submit 5 copies of an extended abstract or a position
     paper  up  to  1,000  words  (figures  and references do not
     count) on A4 sheets before November 1, 1987, to: (Submission
     by electric mail is accepted)
          Ms. Elisabeth Both
          Centre for Mathematics and Computer Science
          Kruislaan 413, 1098 SJ Amsterdam, The Netherlands
          Telephone: (overseas) +31-20-592-4171
          (from the Netherlands) 020-592-4171
          Telex: 12571 mactr nl
          Electric Mail: pauljan@cwi.nl (Internet, Bitnet),
	  		 ...!mcvax!pauljan (Usenet)

     The extended abstract or position paper should  contain  the
     following information:
        - Name, Address (Postal, Phone, Telex, E-mail), Keywords,
     	  References.
        - Statements on how you define "design" and  "intelligent
     	  CAD systems."

------------------------------

From: ackerman@ATHENA.MIT.EDU
Subject: intersection algorithm wanted
Date: Thu, 18 Jun 87 22:03:21 EDT

Does anyone have a pointer to a good algorithm to determine whether two
polygons of arbitrary complexity (but without holes) are intersecting?  
The algorithm does not have to be fast, but must be complete.

Thanks.

		Mark Ackerman
		MIT/Project Athena

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Date: Tue, 16 Jun 87 15:42:55 cst
From: ihnp4!sask!peachey@seismo.CSS.GOV (Darwyn Peachey)
Subject: GI '88 Call for Papers


                Graphics Interface '88
                Call for Participation
             (papers due October 31, 1987)

Edmonton Convention Centre                   in conjunction with
Edmonton, Alberta, Canada                    Vision Interface '88
June 6 to 10, 1988                           CSCSI '88

Graphics Interface '88 is the fourteenth Canadian conference devoted to
computer graphics and interactive techniques, and is the oldest regularly
scheduled computer graphics conference in the world.  Now an annual
conference with film festival and tutorials, Graphics Interface has
established a reputation for a high-quality technical program.  The
1988 conference will be held in Edmonton, June 6 to 10, 1988.

For General Information contact:

Wayne A. Davis, General Chairman
Conference '88
Department of Computer Science
University of Alberta
Edmonton, Alberta
T6G 2H1

(403) 432-3976

                Technical Program

Contributions are solicited describing research results and applications
experience in computer graphics, including the following areas:

- Image Synthesis & Realism             - User Interfaces
- Shading & Rendering                   - Graphics & Office Automation
- Geometric Modeling                    - Computer Cartography
- Computer Animation                    - Image Processing
- Interactive Techniques                - Medical Graphics
- Graphics for CAD/CAM                  - Graphics in Education
- Computer-Aided Building Design        - Graphics & the Arts
- Industrial & Robotics Applications    - Videotex

The Program Committee will consist of:

Brian Barsky    UC Berkeley      Przemek Prusinkiewicz    U. of Regina
Frank Crow      Xerox PARC       Peter Tanner             U. of Waterloo
Tom Duff        AT&T Bell Labs   Daniel Thalmann          U. of Montreal
Alain Fournier  U. of Toronto    Colin Ware               U. of New Brunswick
Mark Green      U. of Alberta    Marceli Wein             NRC of Canada

Four copies of a complete draft paper are due October 31, 1987.  Send papers
to the Program Chairman:

Darwyn Peachey
Department of Computational Science
University of Saskatchewan
Saskatoon, Saskatchewan
S7N 0W0
CANADA

peachey@sask.UUCP     {utcsri|ihnp4|alberta}!sask!peachey
peacheyd@sask.BITNET
(306) 966-4909

Authors will be notified in early February, 1988, and final camera-ready
papers will be due March 28, 1988.

                Electronic Theatre

The electronic theatre is a regular feature of Graphics Interface.  Film
and video tapes that illustrate the use of computer graphics and interactive
techniques will be considered for presentation at the 1988 conference.  This
material could present new techniques, the artistic application of computer
graphics, or a historical perspective of the field.  All submitted material
will be reviewed by the Electronic Theatre Committee.  Due to time constraints
the entire film or video tape may not be shown.  The committee reserves the
right to edit all submitted material for presentation.  Submissions must
be received no later than April 1, 1988 by the Electronic Theatre Chairman:

Mark Green
Department of Computer Science
University of Alberta
Edmonton, Alberta
T6G 2H1
CANADA

(403) 432-4584


                    Proceedings Cover

Submissions are invited for the cover of the GI '88 Proceedings.  Please
send all submissions by March 1, 1988 to the Proceedings Editor:

Marceli Wein
Computer Graphics Section
National Research Council
Bldg. M50, Montreal Road
Ottawa, Ontario
K1A 0R8
CANADA

(613) 993-2565

                   Tutorial Proposals

Proposals for tutorials should be submitted to the General Chairman
by November 15, 1987.

------------------------------

From: LODEN@LL.ARPA
Date: Fri 19 Jun 1987 17:11:41 EDT
Subject: Video recorded graphics

 
HELP! I have a problem that is in dire need of a solution. Having very little
direction, maybe some of you have an answer:
 
   I have wire-frame animation FORTRAN program on our mainframe (IBM 3081)
   that I would like to tape it directly to a VCR. Currently, I am using
   DISSPLA graphics to write to a Tektronics 618 screen (which is the graphics
   attachment to an IBM 3277 terminal). Since the TEK 618 has a refresh buffer,
   simple animations can be accompliced. The problem with this that the
   TEK-618 is a vector and not raster screen thus no way to record the graphics
   signal. My question is then : does anyone know of some 'relatively' low
   cost way of doing real-time video recording of a computer generated color
   animation.
 
   A couple of ideas I've been toying with are :
 
      1. the Amiga 1000
            - it preports to have a composite video output port but I have my
              doubts as to how well it may work in real-time
 
      2. a PC or terminal with an RGB output connected to a computer video
         processor, to convert the RGB to an NTSC signal for the VCR
            - but I am only aware of 1 such terminal (TEK 4208) and only
              1 video processor manufacturer.
 
Any help or suggestions that anyone can offer will be GREATLY appreciated!
 
Tom R. Loden
ARPA = 'LODEN at LL'
 
P.S. I have just recented joined this digest, so if this problem has already
     been discussed, please direct me to the relevant digest issues (in the
     event that the archives ever find an 'FTP' home).
 
 



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