From owner-fitsbits  Fri Mar 20 17:33:06 1998
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To: fitsbits at fits.cv.nrao.edu
Date: 20 Mar 1998 17:31:33 -0500
From: Don Wells <dwells at nrao.edu>
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Subject: Re: Requaest for help.
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>>>>> "Zoltan" == Zoltan Nagy <nagy at anl.gov> writes:
    Zoltan>   To whom is involved in running this newsgroup/mailing
    Zoltan> list.. I found this newsgroup in the book entitled "The
    Zoltan> Internet for Scientist and Engineers" by B.J. Thomas.
    Zoltan>    This book mentions that this newsgroup is also mirrored
    Zoltan> on mailing list "fits-bits at fits.cx.nrao.edu."
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
                                fitsbits at nrao.edu

    Zoltan>    I am involved with a newsgroup "sci.chem.electrochem,"
    Zoltan> which is mirrored on a mailing list "eletqm-l."  I have
    Zoltan> been crossposting messages between the the newsgroup and
    Zoltan> the mailing list manually far the last couple of years.. I
    Zoltan> would really like to have a software that could do the job
    Zoltan> automatically.. is your newsgroup connected to the
    Zoltan> mailing list.. manually or automatically?

The answer is: "automatically".

Traffic arriving in newsgroup sci.astro.fits is piped to a Perl script
named 'news2mail' which Emails it to <fitsbits at majordomo.cv.nrao.edu>
(NRAO uses the 'Majordomo' package for its Email exploders). The
<fitsbits> exploder is configured so that traffic from subscribers is
"exploded" automatically, but traffic from non-subscribers must be
approved (by me). This means that subscribers to <fitsbits> do not see
the "spam" traffic which is often posted to sci.astro.fits. The spam
postings are usually cancelled by somebody within a few hours, but not
before they are forwarded to <fitsbits>, and so I must reject such
spam traffic almost every day (my fingers long ago memorized the
keystrokes).  The approval of messages is a painless process which is
well automated, at least for the "VM" mailreader which I use, under
GNU Emacs.

The mailing list for <fitsbits> includes the entry
<mail2news-astro-fits at cv3.cv.nrao.edu>, and so all traffic which is
exploded is sent to this mailbox, which pipes it to a Perl script
named 'mail2news', which posts it to newsgroup sci.astro.fits.
Actually, in the NRAO installation 'news2mail' and 'mail2news' are the
same script---the Perl script knows what to do from which name is used
to execute it.

This forwarding scheme would be an infinite loop except for the fact
that news servers check the Message-IDs and suppress IDs which have
already been seen.

    Zoltan>    Could you advise me about a software that connects the
    Zoltan> group and the list?  Or, at least, could you point me in
    Zoltan> the right direction for looking for such a software or for
    Zoltan> asking about it?

See the file

    ftp://tarsier.cv.nrao.edu/pub/src/misc/news2mail.gz

File 'news2mail.gz' is 1 Kb, and is dated Dec 11, 1994.  This is an
old, publically available version which does not contain local
modifications which are in NRAO's current installation. The comments
in the Perl code seem clear enough to me. The NRAO systems person who
installed this code does not know where he got it, or who was the
original author.  He tells me that the installation and configuration
of these scripts is 'standard news server and majordomo hacking', and
that an analogous implementation coded in 'Tcl' [Tool Control
Language] is available somewhere.

I also did a Web search, and found the following URL, in which
similar Perl code is available as two separate files:

    http://harper-hall.cit.cornell.edu/news/gates.html

-Don
-- 
  Donald C. Wells         Associate Scientist         dwells at nrao.edu
		    http://www.cv.nrao.edu/~dwells
  National Radio Astronomy Observatory                +1-804-296-0277
  520 Edgemont Road,   Charlottesville, Virginia       22903-2475 USA


From owner-fitsbits  Fri Mar 20 17:32:55 1998
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To: fitsbits at fits.cv.nrao.edu
Date: 20 Mar 1998 17:22:10 GMT
From: nagy at anl.gov (Zoltan Nagy)
Message-ID: <6eu8k3$pbp at milo.mcs.anl.gov>
Organization: Argonne National Laboratory
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Subject: Requaest for help.
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  To whom is involved in running this newsgroup/mailing list.

   I am writing to you for some help and advice.

   I found this newsgroup in the book entitled "The Internet for Scientist and
Engineers" by B.J. Thomas.

   This book mentions that this newsgroup is also mirrored on 
mailing list "fits-bits at fits.cx.nrao.edu." 

   I am involved with a newsgroup "sci.chem.electrochem," which is mirrored on a
mailing list "eletqm-l."  I have been crossposting messages between the the
newsgroup and the mailing list manually far the last couple of years. It takes
only a few minutes daily, but it is still a chore. I would really like to have a
software that could do the job automatically.

   I was wondering how is your newsgroup connected to the mailing list. Is it
done manually or automatically? 

   Could you advise me about a software that connects the group and the list?
Or, at least, could you point me in the right direction for looking for such a
software or for asking about it?

   Your help will be greatly appreciated. Please e-mail to nagy at anl.gov    

   Regards: Zoltan Nagy
******************************************************************************
Zoltan Nagy     
Divisions of Materials Science and Chemical Technology
Argonne National Laboratory                       Phone: (630) 252-4355
9700 South Cass Avenue                            FAX:   (630) 252-9373
Argonne, Illinois 60439-4837, USA                 E-mail: nagy at anl.gov
******************************************************************************
   



From owner-fitsbits  Sat Mar 28 20:00:16 1998
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	Sat, 28 Mar 1998 19:58:30 -0500 (EST)
Date: Sat, 28 Mar 1998 19:58:30 -0500 (EST)
Message-Id: <199803290058.TAA10734 at fits.cv.nrao.edu>
From: Don Wells <dwells at nrao.edu>
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To: fitsbits at fits.cv.nrao.edu
Subject: Happy Birthday, FITS!
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Dear friends of FITS,

I consider today, March 28th, to be the birthday of FITS, because it
was on this day in 1979 that Eric Greisen and I negotiated the original
FITS Agreement. FITS is 19 years old today.

Six years ago, as a birthday present for FITS, I prepared my version
of the early history and pre-history of FITS; see this URL:

    http://www.cv.nrao.edu/fits/documents/overviews/history.news

As in previous years, I offer original reprints of four FITS papers:

==> "FITS: A Flexible Image Transport System",
		Wells, Greisen, Harten, A&A Suppl. 44, 363-370 (June 1981).
		This is the Basic FITS paper, the original reference.

==> "The FITS tape formats: flexible image transport systems",
		Greisen, Wells, Harten, SPIE 264, 298 (1980).
		This was actually the first published paper about FITS.
		It is notable for its Figure 2, a superb schematic
		illustration of the random groups data structure concept
		as realized in a FITS file; this concept is also
		applicable to many BINTABLE data structures. 
==> "An extension of FITS for groups of small arrays of data",
		Greisen, Harten, A&A Suppl. 44, 371-374 (June 1981).
		This is the Random Groups paper, a key part of the 
		conceptual basis for the BINTABLE Agreement of 1991.

==> "Binary table extension to FITS",
		Cotton, Tody, Pence, A&A Suppl. 113, 159-166 (1995).
		This is the BINTABLE paper.

I will be delighted to mail out sets of these reprints until the supply
is exhausted; send your requests to me by Email.

			      -=-=-=-=-

Do any of you have a favorite icon for FITS files? If so, could I have
a copy of your icon? I have not yet chosen an icon to use for FITS files,
and would like to do so.

Best regards,
Don Wells
(Chair, IAU FITS Working Group)
-- 
  Donald C. Wells         Associate Scientist         dwells at nrao.edu
                    http://fits.cv.nrao.edu/~dwells
  National Radio Astronomy Observatory                +1-804-296-0277
  520 Edgemont Road,   Charlottesville, Virginia       22903-2475 USA




From owner-fitsbits  Mon Mar 30 08:12:46 1998
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To: fitsbits at fits.cv.nrao.edu
Date: 30 Mar 1998 11:55:58 GMT
From: billh at ssec.wisc.edu (Bill Hibbard)
Message-ID: <6fo18e$mc8 at spool.cs.wisc.edu>
Organization: University of WI, Madison -- Computer Sciences Dept.
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Subject: VisAD Java class library for visualization
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The VisAD Java class library for interactive and collaborative
visualization and analysis of numerical data is now available.

VisAD features:

  The use of pure Java and Java RMI for platform independence
  and to support data sharing and real-time collaboration among
  geographically distributed users.  Support for distributed
  computing is integrated at the lowest levels of the system.

  A general mathematical data model that can be adapted to
  virtually any numerical data, that supports data sharing
  among different users, different data sources and different
  scientific disciplines, and that provides transparent access
  to data independent of storage format and location (i.e.,
  memory, disk or remote).  Initially supported file formats
  include FITS, netCDF, HDF-EOS (via native library), Vis5D
  (via native library), GIF and JPEG.

  A general display model that supports interactive 3-D, data
  fusion, multiple data views, direct manipulation,
  collaboration, and virtual reality.

  Data analysis and computation integrated with visualization
  to support computational steering and other complex
  interaction modes.

  Support for two distinct communities: developers who create
  domain-specific systems based on VisAD, and users of those
  systems.  VisAD is designed to support a wide variety of
  user interfaces, ranging from simple data browser applets
  to complex applications that allow groups of scientists to
  collaboratively develop data analysis algorithms.

  Developer extensibility in as many ways as possible.

Complete source code, the VisAD Java Class Library Developers
Guide and several example applications are freely available at:

  http://www.ssec.wisc.edu/~billh/visad.html

You can get help from the VisAD mailing list.  Join by sending
an email message to majordomo at ssec.wisc.edu with:

  subscribe visad-list

in the first line of the message body (not the subject line).

VisAD requires Java 3D and jdk1.2beta3, available from Sun at:

  http://java.sun.com/

In its initial release VisAD will be more appropriate for
complex interactions and collaboration than for operational
production of visualizations of large data sets.

Bill Hibbard
whibbard at macc.wisc.edu



