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<!-- received="Sat Jan 17 13:40:46 1998 PST" -->
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<!-- sent="Sat, 17 Jan 1998 13:40:45 -0800" -->
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<!-- name="David Mosberger-Tang" -->
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<!-- email="David.Mosberger@acm.org" -->
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<!-- subject="Re: Mustek Paragon 1200SP and transparancy" -->
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<!-- id="199801172140.NAA00607@panda.mostang.com" -->
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<!-- inreplyto="199801172059.VAA01000@silvermine.blue.sky.mining.de" -->
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<title>sane-devel: Re: Mustek Paragon 1200SP and transparancy</title>
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<h1>Re: Mustek Paragon 1200SP and transparancy</h1>
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<b>David Mosberger-Tang</b> (<a href="mailto:David.Mosberger@acm.org"><i>David.Mosberger@acm.org</i></a>)<br>
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<i>Sat, 17 Jan 1998 13:40:45 -0800</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#63">[ date ]</a><a href="index.html#63">[ thread ]</a><a href="subject.html#63">[ subject ]</a><a href="author.html#63">[ author ]</a>
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<li> <b>Next message:</b> <a href="0064.html">Alexander Schulz: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>Previous message:</b> <a href="0062.html">Alexander Schulz: "Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>In reply to:</b> <a href="0062.html">Alexander Schulz: "Mustek Paragon 1200SP and transparancy"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0065.html">becka@rz.uni-duesseldorf.de: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>Next in thread:</b> <a href="0064.html">Alexander Schulz: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>Reply:</b> <a href="0065.html">becka@rz.uni-duesseldorf.de: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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<i>>>>>> On Sat, 17 Jan 1998 21:59:48 +0100 (CET), Alexander Schulz <<a href="mailto:Alexander.Schulz@stud.uni-karlsruhe.de">Alexander.Schulz@stud.uni-karlsruhe.de</a>> said:</i><br>
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<p>
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Alexander> Hello, I recently bought a transparancy-adapter for my<br>
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Alexander> Paragon 1200SP. The problem is now, that the scan area<br>
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Alexander> of the adapter is not as big as that of the scanner. So<br>
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Alexander> the scanner automaticaly reduces its scan area to<br>
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Alexander> 203x254mm by moving the "head" towards the middle of the<br>
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Alexander> scanner whenever trancparancy is used. It seems the sane<br>
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Alexander> backend doesn't know this and tries to scan the whole<br>
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Alexander> area, with the well-known noisy results.<br>
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<p>
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And potential for scanner destruction... ;-(<br>
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<p>
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Alexander> Is there any way to define the scan area depending on the<br>
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Alexander> document type? Or what else can I do?<br>
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<p>
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In theory, the Mustek backend can already detect the presence of a<br>
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transparency adapter (but it doesn't know much else). If you set<br>
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environment variable SANE_DEBUG_MUSTEK to a value >=2, you should see<br>
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a message of the form:<br>
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<p>
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[mustek] attach: found Mustek scanner model BLAH (BLAH), 1-pass, TA<br>
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<p>
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The important thing being the "TA". If you see this, the backend<br>
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detected the transparency adapter and dev->flags will have flag<br>
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MUSTEK_FLAG_TA set. With this, it would be easy to adjust the<br>
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scanning area.<br>
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<p>
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Patches for supporting transparancy adapters would be of course very<br>
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welcome (I don't have such a beat myself). If you end up playing with<br>
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this, let me know and I'll see about getting the Mustek SCSI command<br>
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docs to you.<br>
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<p>
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--david<br>
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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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</pre>
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<!-- body="end" -->
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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="0064.html">Alexander Schulz: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>Previous message:</b> <a href="0062.html">Alexander Schulz: "Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>In reply to:</b> <a href="0062.html">Alexander Schulz: "Mustek Paragon 1200SP and transparancy"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0065.html">becka@rz.uni-duesseldorf.de: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>Next in thread:</b> <a href="0064.html">Alexander Schulz: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<li> <b>Reply:</b> <a href="0065.html">becka@rz.uni-duesseldorf.de: "Re: Mustek Paragon 1200SP and transparancy"</a>
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<!-- reply="end" -->
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</ul>
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