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79 wiersze
3.2 KiB
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<!-- received="Fri Aug 20 06:59:10 1999 PDT" -->
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<!-- sent="Fri, 20 Aug 1999 15:48:49 +0200" -->
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<!-- name="Oliver Rauch" -->
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<!-- email="oliver.rauch@Wolfsburg.DE" -->
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<!-- subject="Re: SANE frames" -->
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<!-- inreplyto="SANE frames" -->
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<title>sane-devel: Re: SANE frames</title>
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<h1>Re: SANE frames</h1>
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<b>Oliver Rauch</b> (<a href="mailto:oliver.rauch@Wolfsburg.DE"><i>oliver.rauch@Wolfsburg.DE</i></a>)<br>
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<i>Fri, 20 Aug 1999 15:48:49 +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#242">[ date ]</a><a href="index.html#242">[ thread ]</a><a href="subject.html#242">[ subject ]</a><a href="author.html#242">[ author ]</a>
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<li> <b>Next message:</b> <a href="0243.html">David Mosberger-Tang: "Re: SANE frames"</a>
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<li> <b>Previous message:</b> <a href="0241.html">Yuri Dario: "Re: Starting a discussion about SANE and TWAIN..."</a>
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<li> <b>Maybe in reply to:</b> <a href="0173.html">Stephen Williams: "SANE frames"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0256.html">Oliver Rauch: "Re: SANE frames"</a>
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</ul>
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David Mosberger-Tang wrote:<br>
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<p>
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<i>> >>>>> On Tue, 17 Aug 1999 19:07:57 +0200, Oliver Rauch <<a href="mailto:oliver.rauch@Wolfsburg.DE">oliver.rauch@Wolfsburg.DE</a>> said:</i><br>
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<i>></i><br>
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<i>> Oliver> I think we need to specify the code flow for multiple images</i><br>
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<i>> Oliver> that are acquired with one scan and a code flow for multi</i><br>
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<i>> Oliver> page scan (adf).</i><br>
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<i>></i><br>
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<i>> I'm not sure what you mean by "multiple images that are acquired with</i><br>
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<i>> one scan". Can you elaborate?</i><br>
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<i>></i><br>
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<p>
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Hi David,<br>
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<p>
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that is e.g. if a scanner does scan front and back side of a page<br>
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in one scan. In that case the backend stores the second image<br>
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and does send it to the frontend when the next start_scan is called<br>
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and no sane_cancel is called in between.<br>
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<p>
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That is what the B&? backend does.<br>
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<p>
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Another thing is that some scanners are able to do a<br>
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"batch scan", that means the scanner does scan<br>
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multiple images while the scanhead moves over the page,<br>
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so the scanhead is not moved into start position every time.<br>
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But this can not be used with the current sane standard.<br>
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<p>
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Bye<br>
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Oliver<br>
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<p>
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<p>
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<pre>
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--
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EMAIL: <a href="mailto:Oliver.Rauch@Wolfsburg.DE">Oliver.Rauch@Wolfsburg.DE</a>
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WWW: <a href="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</a>
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<p>
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<p>
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<p>
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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="0243.html">David Mosberger-Tang: "Re: SANE frames"</a>
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<li> <b>Previous message:</b> <a href="0241.html">Yuri Dario: "Re: Starting a discussion about SANE and TWAIN..."</a>
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<li> <b>Maybe in reply to:</b> <a href="0173.html">Stephen Williams: "SANE frames"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0256.html">Oliver Rauch: "Re: SANE frames"</a>
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<!-- reply="end" -->
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</ul>
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