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<TITLE>sane-devel: Re: Transparency support for snapscan backend</TITLE>
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<META NAME="Author" CONTENT="Karlheinz Günster (karlheinz.guenster@t-online.de)">
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<META NAME="Subject" CONTENT="Re: Transparency support for snapscan backend">
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<H1>Re: Transparency support for snapscan backend</H1>
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<!-- received="Fri May 5 10:50:14 2000" -->
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<!-- sent="Fri, 5 May 2000 09:00:07 +0200" -->
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<!-- name="Karlheinz Günster" -->
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<!-- subject="Re: Transparency support for snapscan backend" -->
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<STRONG>From:</STRONG> Karlheinz Günster (<A HREF="mailto:karlheinz.guenster@t-online.de?Subject=Re:%20Transparency%20support%20for%20snapscan%20backend&In-Reply-To=<00050513101300.03365@mimoculo>"><EM>karlheinz.guenster@t-online.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Fri May 05 2000 - 00:00:07 PDT
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<LI><STRONG>Previous message:</STRONG> <A HREF="0042.html">Steve Underwood: "Re: SnapScan"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0024.html">Oliver Schwartz: "Re: Transparency support for snapscan backend"</A>
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Am Die, 02 Mai 2000 schrieb Oliver Schwartz:
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<BR>
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<P>Hi Oliver,
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<BR>
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<P><EM>> > > I've put a first version of my patch for transparency support in the snapscan
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</EM><BR>
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<EM>> > > backend on my homepage (<A HREF="http://www.ginko.de/user/oschwartz/snapscan">http://www.ginko.de/user/oschwartz/snapscan</A>).
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</EM><BR>
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<EM>> > >
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</EM><BR>
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<EM>> > > Up to now I have only tested it with an Acer ScanPrisa 620UT.
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</EM><BR>
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<EM>> > >
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</EM><BR>
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<EM>> > > The patch is for sane-1.0.2. It does not work with previous versions.
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</EM><BR>
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<EM>> > >
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</EM><BR>
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<EM>> > > If you have a Snapscan or Acer Prisa scanner with transparency unit please try
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</EM><BR>
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<EM>> > > it and tell me whether it works for you.
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> > it runs! Thank you very much for your work.
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> > Only the following appeared:
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> > On your homepage in the "installation instructions" under "5." should
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</EM><BR>
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<EM>> > only be the instruction "make", under "6." "make install", without dot
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</EM><BR>
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<EM>> > and slash. This way my system is working correctly.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> You're right. I've changed it.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> > I copied "find-scanner" manually, because "make install" and
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</EM><BR>
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<EM>> > "tools" haven't been installed.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> That's true. However, it's a general sane problem. I don't know why find-scanner
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</EM><BR>
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<EM>> is not installed by "make install" (anyone?).
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> > Version 1.0.2 don't overwrite existing files in /usr/local/etc/sane.d
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</EM><BR>
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<EM>> > and /usr/local/lib/sane. I searched for it a long time, at least
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</EM><BR>
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<EM>> > found it and then deleted it manually.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Hm... It should leave old configuration files in /usr/local/etc/sane.d but
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</EM><BR>
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<EM>> overwrite binaries in /usr/local/lib/sane. The only reasons I can imagine why
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</EM><BR>
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<EM>> it didn't work for you is that you had sane 1.0.1 installed. In this case some
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</EM><BR>
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<EM>> links in /usr/local/lib/sane are not replaced.
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</EM><BR>
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<P>I had sane 1.0.1 installed.
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<BR>
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<P>
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<BR>
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<EM>> > The scan looks very fine.
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> > Finally I have three wishes:
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> > The scanarea can be 21,5 x 29 cm.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Are you sure? I found an electronic version of a Snapscan 300 / 600 manual which
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</EM><BR>
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<EM>> specifies 203 x 254 mm for transparency mode. I'll add support for
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</EM><BR>
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<EM>> model-dependent max. scan areas in the next version of the patch.
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</EM><BR>
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<P>You are right, the TPU covers a smaller area than the base of
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<BR>
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the scanner. I relate to the largest size that is possible for
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<BR>
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contact-prints.
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<BR>
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<P><P><EM>> > A switch that allows me to choice between negative and positive scan.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> You should use xsane. It already has a "negative" switch.
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</EM><BR>
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<P>But this doesn't run with the new coolscan-Backend from Andreas
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<BR>
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Rick, I have a "new" Coolscan.
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<BR>
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<P><P><EM>> > And a little faster scan only by 600 dpi with maximal scan-area in mode
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</EM><BR>
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<EM>> > flatbed. A scan with this resolution was running 45 minutes before
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</EM><BR>
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<EM>> > xscanimage disapeared suddenly, although only half of the image was
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</EM><BR>
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<EM>> > scanned.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Hm again... My scanner works fine with this resolution. Is this a new
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</EM><BR>
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<EM>> behaviour after applying the patch? Does anybody else have this problem with a
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</EM><BR>
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<EM>> SnapScan 600? What kind of SCSI-adapter are you using?
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</EM><BR>
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<P>I found it. If with or without your patch, the result is the same since 1.0.2. My
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<BR>
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233MHz computer has an Adaptec AHA-2940A SCSI-Controller.
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<BR>
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<P>A 600dpi-scan in color and 600dpi-scan in greyscale
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<BR>
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is impossible, because it takes you 10 minutes.
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<BR>
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<P>But I remember of Kevins Mini-Patch "src-0.8.tgz" from Oct 21, 1999.
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<BR>
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I copied the files into 1.0.2, and patched it with your
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<BR>
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snapscantpo.patch. It works normally.
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<BR>
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<P>Karlheinz
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<BR>
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<P><PRE>
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--
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E-Mail: <A HREF="mailto:karlheinz.guenster@t-online.de?Subject=Re:%20Transparency%20support%20for%20snapscan%20backend&In-Reply-To=<00050513101300.03365@mimoculo>">karlheinz.guenster@t-online.de</A>
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--
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<P>--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20Transparency%20support%20for%20snapscan%20backend&In-Reply-To=<00050513101300.03365@mimoculo>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0044.html">Alain ROTH: "EPSON GT-8000"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0042.html">Steve Underwood: "Re: SnapScan"</A>
|
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<LI><STRONG>In reply to:</STRONG> <A HREF="0024.html">Oliver Schwartz: "Re: Transparency support for snapscan backend"</A>
|
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<SMALL>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Fri May 05 2000 - 10:51:06 PDT</EM>
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