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<h1>Credits</h1>
<p>Thanks go out to the following wonderful folks:</p>
<p>First and foremost, <b>John Hagan</b>, best friend, lead
beta-tester, and guy who got me a new job. He's been the driving
force behind much of <i>xv</i>. Nearly all the major differences
between the <i>xv</i> that you see today, and the <i>xgif</i> of
four (five? six?) years ago can be traced to the years of
continual harassment because of alleged (and actual) weaknesses
in <i>xgif</i>. <i>xv</i> probably never would've been written,
were it not for his input. Many of the features in the code were
his idea. For example, he'd been asking for a <i>Visual Schnauzer</i>
for <i>years</i> now...</p>
<p><b>Filip Fuma</b>, my former boss, deserves a great deal of
thanks for seeing the value of <i>xv</i>, and allowing, (if not
actually encouraging) me to write it. I also owe him an eternal
debt of gratitude (if not actual money) for being the genius who
said "You know, you should make this into shareware..."</p>
<p><b>Helen Anderson</b> has provided many fine ideas over the
years, and has continued to be amused by <i>xv</i> for much of
that time, more than I can occasionally say for myself. She also
proofread the 2.20 version of this document, much of which
remains verbatim.</p>
<p><b>Patrick J. Naughton</b> (naughton@wind.sun.com) provided
'gif2ras.c', a program that converts GIF files to Sun
Rasterfiles. This program provided the basis for the original <i>xgif</i>,
which eventually grew into <i>xv</i>. As such, it would be safe
to say that he "started it all." This code, now
somewhat modified, is still in use in the module <tt>xvgif.c</tt>.</p>
<p><b>Michael Mauldin</b> (mlm@cs.cmu.edu) provided a short,
understandable version of the GIF writing code. This code,
essentially unmodified, is in the module <tt>xvgifwr.c</tt> .</p>
<p><b>Dave Heath</b> (heath@cs.jhu.edu) provided the Sun
Rasterfile i/o support in the module <tt>xvsunras.c</tt> . <b>Ken
Rossman</b> (ken@shibuya.cc.columbia.edu) fixed it up somewhat.</p>
<p><b>Tom Lane</b> (tgl@sss.pgh.pa.us), for much advice and
assistance on 24->8 bit quantization, color allocation, and,
of course, JPEG issues.</p>
<p>Of course, many thanks go out to Tom and all the rest of the
folks in the Independent JPEG Group for providing a
freely-distributable version of the JPEG software, thereby
providing the rest of us with the new standard graphics format
(replacing GIF).</p>
<p><b>Sam Leffler</b> (sam@sgi.com) has not only come up with a
freely-distributable library for doing TIFF file i/o (the <i>libtiff</i>
package), but also wrote the <i>xv</i> interface modules <tt>xvtiff.c</tt>
and <tt>xvtiffwr.c</tt> . Thanks Sam!</p>
<p><b>Paul Haeberli</b> (paul@manray.asd.sgi.com) provided me
with nice clean, portable code to read and write IRIS 'rgb'
files.</p>
<p><b>Jef Poskanzer</b> (jef@well.sf.ca.us) is responsible for
coming up with several cool/whizzo general image formats (pbm,
pgm, ppm), and a package of programs for image manipulation and
format conversion. Part of this code has been snarfed and
incorporated into <i>xv</i> in the form of the <tt>-best24</tt>
algorithm and the XWD format support. </p>
<p><b>Rick Dyson</b> (dyson@iowasp.physics.uiowa.edu) has been
doing the VMS ports of <i>xv</i> for the past couple years now.
All you VMS users owe him a great big "Thank you,"
because you wouldn't have <i>xv </i>if it weren't for his
efforts. I won't go <i>near</i> a VMS system. Rick also gets a
"Thanks" from me for doing a good deal of beta-testing,
as well.</p>
<p><b>David Elliot</b> (dce@smsc.sony.com) gets a special thanks
for being the guy who has submitted more bug fixes and feature
requests than anybody else. You'd almost think he has more time
to work on <i>xv</i> than I do!</p>
<p><b>Bernie McIlroy</b> (berniem@microsoft.com) for providing me
with information on the BMP format. (Which is included in the <tt>docs</tt>
subdirectory, so please don't bother him!)</p>
<p><b>Anthony Datri</b> (aad@scr.siemens.com) for writing the
PDS/VICAR i/o module.</p>
<p><b>Thomas Meyer </b>(i03a@alf.zfn.uni-bremen.de) for writing
the IFF i/o module.</p>
<p><b>Chris Ross</b> (cross@eng.umd.edu), for writing the XPM i/o
module, and in the process, inadvertently making me think about a
great number of things...</p>
<p><b>David Robinson</b> (drtr@mail.ast.cam.ac.uk) for writing
the FITS i/o module.</p>
<h2><a name="hall-fame">The Hall of Fame</a></h2>
<p>The following folks have all contributed to the development of
<i>xv</i> in the form of bug reports, bug fixes, patches, support
for additional systems, and/or good ideas. See the <tt>CHANGELOG</tt>
file for specifics:</p>
<blockquote>
<p><font size="2">Jimmy Aitken (<tt>jimmy@pyra.co.uk</tt>)<br>
Satoshi Asami (<tt>asami@is.s.u-tokyo.ac.jp</tt>)<br>
Leon Avery (<tt>leon@eatworms.swmed.edu</tt>)<br>
Tim Ayers (<tt>ayers@mermaid.micro.umn.edu</tt>)<br>
Bill Barabash (<tt>barabash@rachel.enet.dec.com</tt>)<br>
Markus Baur (<tt>mbaur@ira.uka.de</tt>)<br>
Jason Berri (<tt>berri@aero.org</tt>)<br>
Richard Bingle (<tt>bingle@cs.purdue.edu</tt>)<br>
Alan Blanchard (<tt>alan@abraxas.mbt.washington.edu</tt>)<br>
Bob Boag (<tt>boag@marshall.wvnet.edu</tt>)<br>
David Boulware (<tt>dgb@landau.phys.washington.edu</tt>)<br>
Thomas Braeunl (<tt>braeunl@informatik.uni-stuttgart.de</tt>)<br>
Jon Brinkmann (<tt>jvb7u@astro.virginia.edu</tt>)<br>
Andrew Brooks (<tt>arb@comp.lancs.ac.uk</tt>)<br>
David Brooks (<tt>dbrooks@osf.org</tt>)<br>
Kevin Brown (<tt>brown@hpbsm15.boi.hp.com</tt>)<br>
Elaine Chen (<tt>eychen@athena.mit.edu</tt>)<br>
Jeff Coffler (<tt>coffler@jeck.amherst.nh.us</tt>)<br>
Reg Clemens (<tt>clemens@plk.af.mil</tt>)<br>
Paul Close (<tt>pdc@lunch.wpd.sgi.com</tt>)<br>
David A. Clunie (<tt>dclunie@flash.us.com</tt>)<br>
Jan D. (<tt>jhd@irfu.se</tt>)<br>
Anthony Datri (<tt>datri@convex.com</tt>)<br>
Berthold Dettlaff (<tt>dettlaff@informatik.uni-stuttgart.de</tt>)<br>
L. Peter Deutsch (<tt>ghost@aladdin.com</tt>)<br>
Derek Dongray (<tt>dongray@genrad.com</tt>)<br>
Rick Dyson (<tt>dyson@iowasp.physics.uiowa.edu</tt>)<br>
Dean Elhard (<tt>elhard@system-m.za05.bull.com</tt>)<br>
David Elliot (<tt>dce@smsc.sony.com</tt>)<br>
Scott Erickson (<tt>sources@sherlock.ics.uci.edu</tt>)<br>
Stefan Esser (<tt>se@ikp.uni-koeln.de</tt>)<br>
Bob Finch (<tt>bob@gli.com</tt>)<br>
Robert Forsman (<tt>thoth@raybans.cis.ufl.edu</tt>)<br>
Peter Glassenbury (<tt>pete@cosc.canterbury.ac.nz</tt>)<br>
Michael Gleicher (<tt>mkg@stealth.plk.af.mil</tt>)<br>
Robert Goodwill (<tt>robert@earth.cs.jcu.edu.au</tt>)<br>
Dave Gregorich (<tt>dtg@csula-ps.calstatela.edu</tt>) Brian
Gregory (<tt>bgregory@megatest.com</tt>)<br>
Ted Grzesik (<tt>tedg@apollo.hp.com</tt>)<br>
Harald Hanche-Olsen (<tt>hance@ams.sunysb.edu</tt>)<br>
Charles Hannum (<tt>mycroft@gnu.ai.mit.edu</tt>)<br>
Dave Heath (<tt>heath@cs.jhu.edu</tt>)<br>
Scott D. Heavner (<tt>sdh@po.cwru.edu</tt>)<br>
Bill Hess (<tt>hess@tethys.apl.washington.edu</tt>)<br>
Dave Hill (<tt>ddhill@zk3.dec.com</tt>)<br>
Tom Hinds (<tt>rocker@cs.bu.edu</tt>)<br>
Ricky KeangPo Ho (<tt>kpho@sabina.berkeley.edu</tt>)<br>
Mark Horstman (<tt>mh2620@sarek.sbc.com</tt>)<br>
Tetsuya Ikeda (<tt>tetsuya@is.s.u-tokyo.ac.jp</tt>)<br>
Yasuhiro Imoto (<tt>tomo@sonytek.co.jp</tt>)<br>
Lester Ingber (<tt>ingber@umiacs.umd.edu</tt>)<br>
Dana Jacobsen (<tt>jacobsd@solar.cor2.epa.gov</tt>)<br>
Roy Johnson (<tt>rjohnson@shell.com</tt>)<br>
Dave Jones (<tt>jonesd@kcgl1.eng.ohio-state.edu</tt>)<br>
Kjetil Jorgensen (<tt>jorgens@lise.unit.no</tt>)<br>
Jonathan Kamens (<tt>jik@pit-manager.mit.edu</tt>)<br>
Vivek Khera (<tt>khera@cs.duke.edu</tt>)<br>
Tero Kivinen (<tt>kivinen@joker.cs.hut.fi</tt>)<br>
Rainer Klute (<tt>klute@irb.informatik.uni-dortmund.de</tt>)<br>
Marc Kossa (<tt>M.Kossa@frec.bull.fr</tt>)<br>
Bill Kucharski (<tt>kucharsk@solbourne.com</tt>)<br>
( Bruce Labow (<tt>labow@itd.nrl.navy.mil</tt>)<br>
Dave Lampe (<tt>djl@ptc.timeplex.com</tt>)<br>
Tom Lane (<tt>tom_lane@g.gp.cs.cmu.edu</tt>)<br>
Peder Langlo (<tt>respl@mi.uib.no</tt>)<br>
Jeremy Lawrence (<tt>jeremy@snrc.uow.edu.au</tt>)<br>
Sam Leffer (<tt>sam@sgi.com</tt>)<br>
Jim Lick (<tt>jim@pi-chan.ucsb.edu</tt>)<br>
Jean Liddle (<tt>jliddle@mrcnext.cso.uiuc.edu</tt>)<br>
Michael Lipscomb (<tt>lipscomb@visionl.engr.utk.edu</tt>)<br>
Eam Lo (<tt>eam@netcom.com</tt>)<br>
Rolf Mayer (<tt>rz90@rz.uni-karlsruhe.de</tt>)<br>
Stephen Mautner (<tt>stephen@cs.utexas.edu</tt>)<br>
Tom McConnel (<tt>tmcconne@sedona.intel.com</tt>)<br>
Craig McGregor (<tt>craig@csdvax.csd.unsw.edu.au</tt>)<br>
Thomas Meyer (<tt>i03a@alf.zfn.uni-bremen.de</tt>)<br>
Peter Miller (<tt>pmiller@topaz.bmr.gov.au</tt>)<br>
Erwan Moysan (<tt>erwan.moysan@irisa.fr</tt>)<br>
Chris Newman (<tt>chrisn+@cmu.edu</tt>)<br>
Lars Bo Nielsen (<tt>lbn@hugin.dk</tt>)<br>
James Nugent (<tt>james@ironbark.bcae.oz.au</tt>)<br>
Arthur Olson (<tt>ado@elsie.nci.nih.gov</tt>)<br>
Machael Pall (<tt>pall@rz.uni-karlsruhe.de</tt>)<br>
Mike Patnode (<tt>mikep@sco.com</tt>)<br>
Nigel Pearson (<tt>nigel@socs.uts.edu.au</tt>)<br>
Joe Peterson (<tt>joe@avs.com</tt>)<br>
Colin Plumb (<tt>colin@nyx10.cs.du.edu</tt>)<br>
Daniel Pommert (<tt>daniel@ux1.cso.uiuc.edu</tt>)<br>
Robert Potter (<tt>rpotter@grip.cis.upenn.edu</tt>)<br>
Werner Randolf (<tt>evol@brian.uni-koblenz.de</tt>)<br>
Eric Raymond (<tt>eric@snark.thyrsus.com</tt>)<br>
Eric Rescorla (<tt>erk@eitech.com</tt>)<br>
Phil Richards (<tt>pgr@prg.oxford.ac.uk</tt>)<br>
Declan A. Rieb (<tt>darieb@sandia.gov</tt>)<br>
David Robinson (<tt>drtr@mail.ast.cam.ac.uk</tt>)<br>
R. P. Rodgers (<tt>rodgers@nlm.nih.gov</tt>)<br>
Chris P. Ross (<tt>cross@eng.umd.edu</tt>)<br>
Eckhard Rueggeberg (<tt>eckhard.rueggeberg@ts.go.dlr.de</tt>)<br>
Arvind Sabharwal (<tt>arvind@brutus.ct.gmr.com</tt>)<br>
Hitoshi Saji (<tt>saji@is.s.u-tokyo.ac.jp</tt>)<br>
Nick Sayer (<tt>mrapple@quack.kfu.com</tt>)<br>
Klaus Schnepper (<tt>df40@master.df.op.dlr.de</tt>)<br>
Steven Schoch (<tt>schoch@starnet.com</tt>)<br>
Bill Silvert (<tt>silvert@biome.bio.ns.ca</tt>)<br>
Ben Simons (<tt>ben@lewis.vislab.su.edu.au</tt>)<br>
Cameron Simpson (<tt>cameron@cse.unsw.edu.au</tt>)<br>
Mark Snitily (<tt>mark@zok.sgcs.com</tt>)<br>
Karsten Spang (<tt>krs@kampsax.dk</tt>)<br>
Greg Spencer (<tt>greg@longs.lance.colostate.edu</tt>)<br>
Matthew Stier (<tt>matthew@sunpix.east.sun.com</tt>)<br>
Andreas Stolcke (<tt>stolcke@icsi.Berkeley.edu</tt>)<br>
Rod Summers (<tt>rsummers@ard.fbi.gov</tt>)<br>
Steve Swales (<tt>steve@bat.lle.rochester.edu</tt>)<br>
Tony Sweeney (<tt>sweeney@ingres.com</tt>)<br>
Matt Thomas (<tt>thomas@netrix.lkg.dec.com</tt>)<br>
Rich Thomson (<tt>rthomson@dsd.es.com</tt>)<br>
Bill Turner (<tt>bturner@cv.hp.com</tt>)<br>
Larry W. Virden (<tt>lwv26@cas.org</tt>)<br>
John Walker (<tt>kelvin@autodesk.com</tt>)<br>
Doug Washburn (<tt>washburn@hpmpea2.cup.hp.com</tt>)<br>
Drew Watson (<tt>dwatson@encore.com</tt>)<br>
Chris Weikart (<tt>weikart@prl.dec.com</tt>)<br>
Michael Weller (<tt>eowmob@exp-math.uni-essen.de</tt>)<br>
Kenny Zalewski (<tt>zalewk@rpi.edu</tt>)<br>
Jamie Zawinski (<tt>jwz@lucid.com</tt>)<br>
Dan Zheme (<tt>dan@mordor.webo.dg.com</tt>)<br>
</font></p>
</blockquote>
<h2><a name="beta-testers">The Beta Testers</a></h2>
<p>Eric Demerling (AIX)<br>
Rick Dyson (VAX VMS, VMS on Alpha, SunOS)<br>
Tom Lane (HP systems)<br>
Sam Leffler (SGI systems)<br>
Chris Ross (Solaris, SunOS, Ultrix, NetBSD)<br>
Michael Weller (Linux)<br>
Me (OSF/1, SunOS)</p>
<p>Thanks to these folks we can be pretty sure that <i>xv</i>
will at least compile cleanly on the vast majority of systems.
Any bugs that have slipped through are entirely my fault, as, in
all fairness, I haven't given these guys much time to test it. As
such, the only platform that I can say <i>xv</i> has been
seriously tested on is OSF/1 running on a DEC Alpha, as that's
been my most recent development environment.</p>
<h2><a name="miscellaneous-ramblings">Miscellaneous Ramblings</a></h2>
<p>And, of course, thanks to everyone else. If you contributed to
the developement of <i>xv </i>in some way, and I somehow forgot
to put you in the big list, my humble apologies. Documentation
and careful record- keeping are <i>not </i>my strong suits.
"Heck," why do you think it takes me a year and a half
to come up with a minor new release? Because, while I love to add
new features to the code, I dread <i>documenting</i> the dumb
things. Besides, we all know that writing the documentation is
the hardest part of any program. (Particularly once the good
folks at id Software <i>insisted</i> upon releasing DOOM II...)</p>
<p>And finally, thanks to all the folks who've written in from
hundreds of sites world-wide. You're the ones who've made <i>xv</i>
a real success. (Well, that's not <i>actually</i> true. My love
of nifty user-interfaces, all the wonderful code I've gotten from
the folks listed above, and the fact that <i>xv </i>actually
serves a useful purpose ("displaying pictures of naked
women") are the things that have made <i>xv</i> a real
success. You folks who've written in have given me a way to <i>measure
</i>how successful <i>xv</i> is.) But I digress. Thanks!</p>
<p>By the way, when I last counted (in October 1992), <i>xv</i>
was in use at 180 different Universities, and dozens of
businesses, goverment agencies, and the like, in 27 countries on
6 of the 7 continents. Since then, I've received messages from
hundreds of new sites. And <i>xv</i> has been spotted in
Antartica, bringing the total to 7 of 7 continents, and allowing
me to claim that <i>xv </i>is, in fact, truly <i>global</i>
software. That's probably a good thing. Does anybody know if
there's a Unix workstation in the Space Shuttle?... <tt>:-)</tt> </p>
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