kopia lustrzana https://gitlab.com/sane-project/website
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83 wiersze
4.2 KiB
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<!-- received="Thu May 20 08:34:52 1999 PDT" -->
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<!-- sent="Thu, 20 May 1999 17:35:09 +0200" -->
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<!-- name="Lorenzo M. Catucci" -->
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<!-- subject="Re: Astra 1220S problems" -->
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<title>sane-devel: Re: Astra 1220S problems</title>
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<h1>Re: Astra 1220S problems</h1>
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<b>Lorenzo M. Catucci</b> (<a href="mailto:lorenzo@argon.roma2.infn.it"><i>lorenzo@argon.roma2.infn.it</i></a>)<br>
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<i>Thu, 20 May 1999 17:35:09 +0200</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#206">[ date ]</a><a href="index.html#206">[ thread ]</a><a href="subject.html#206">[ subject ]</a><a href="author.html#206">[ author ]</a>
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<li> <b>Next message:</b> <a href="0207.html">Oliver Rauch: "Someone with UMAX UC630 or Vista T630 scanner and sane?"</a>
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<li> <b>Previous message:</b> <a href="0205.html">Harald Finster: "Re: microtek x6 (Firmware 1.3) problem"</a>
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<li> <b>Maybe in reply to:</b> <a href="0159.html">Mark Vojkovich: "Astra 1220S problems"</a>
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<li> <b>Next in thread:</b> <a href="0208.html">Oliver Rauch: "Re: Astra 1220S problems"</a>
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</ul>
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Oliver Rauch wrote:<br>
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<i>> </i><br>
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<i>> Andreas Dilger wrote:</i><br>
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<i>> </i><br>
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<i>> > Mark Vojkovich <<a href="mailto:mvojkovi@ucsd.edu">mvojkovi@ucsd.edu</a>> wrote:</i><br>
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<i>> > > I have an UMAX Astra 1220S and have tried it with the</i><br>
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<i>> > > sane 0.71, 1.0.0 and 1.0.1 packages. It works, sortof.</i><br>
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<i>> > > The images it scans are badly sheared.</i><br>
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<i>> ></i><br>
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<i>> > This was a problem with 0.7x because of the way that the number of</i><br>
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<i>> > pixels/row was calculated - it didn't always match the data being</i><br>
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<i>> > sent from the scanner. However, I haven't seen this problem in a</i><br>
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<i>> > while. Are you sure you are using the most recent Umax backend?</i><br>
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<i>> > Maybe you still have an old version around?</i><br>
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<i>> ></i><br>
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<i>> </i><br>
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<i>> That problem never happend in the preview with any sane-version.</i><br>
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<i>> </i><br>
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<i>> The problem is still there, but I think it does not occur very often.</i><br>
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<i>> I asked UMAX how to handle this and the one I asked tries to find</i><br>
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<i>> out about that.</i><br>
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<i>> </i><br>
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As a matter of fact, I have never had shear problems with either xsane<br>
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or xscanimage. Instead, I have had shear problems myself when I first<br>
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tried usin PIL's[*] sanemodule. FWIR, I solved the problem by changeing<br>
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the end of scanline logic, since AMK thought any scanner would jump to<br>
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the next line after 3*pixels were read. If you need it, ask me, and I'll<br>
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send you my patched version of the file, since, as of now, Andrew has<br>
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not still axcepted and merged my changes into his module.<br>
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<p>
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Yours,<br>
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lorenzo<br>
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<p>
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[*] Python Imaging Library<br>
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<pre>
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--
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+-------------------------+--------------------------------------------+
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| Lorenzo M. Catucci | Centro di Calcolo e Documentazione |
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| <a href="mailto:catucci@ccd.uniroma2.it">catucci@ccd.uniroma2.it</a> | Universit<69> di Roma "Tor Vergata" |
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| | Via O. Raimondo 16 -- 00173 ROMA -- ITALY |
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| Tel. +39 06 7259 2255 | Fax. +39 06 7259 3100 |
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+-------------------------+--------------------------------------------+
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<p>
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<pre>
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--
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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">majordomo@mostang.com</a>
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</pre>
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0207.html">Oliver Rauch: "Someone with UMAX UC630 or Vista T630 scanner and sane?"</a>
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<li> <b>Previous message:</b> <a href="0205.html">Harald Finster: "Re: microtek x6 (Firmware 1.3) problem"</a>
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<li> <b>Maybe in reply to:</b> <a href="0159.html">Mark Vojkovich: "Astra 1220S problems"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0208.html">Oliver Rauch: "Re: Astra 1220S problems"</a>
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<!-- reply="end" -->
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</ul>
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