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79 wiersze
3.6 KiB
HTML
<!-- received="Tue Jul 27 09:40:33 1999 PDT" -->
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<!-- sent="Tue, 27 Jul 1999 18:56:15 +0200" -->
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<!-- name="Oliver Rauch" -->
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<!-- email="oliver.rauch@Wolfsburg.DE" -->
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<!-- subject="Re: Document Feeders (was Re: Anyone with a Umax Document Feeder?)" -->
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<!-- inreplyto="Document Feeders (was Re: Anyone with a Umax Document Feeder?)" -->
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<title>sane-devel: Re: Document Feeders (was Re: Anyone with a Umax Document Feeder?)</title>
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<h1>Re: Document Feeders (was Re: Anyone with a Umax Document Feeder?)</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>Tue, 27 Jul 1999 18:56:15 +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#189">[ date ]</a><a href="index.html#189">[ thread ]</a><a href="subject.html#189">[ subject ]</a><a href="author.html#189">[ author ]</a>
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<li> <b>Next message:</b> <a href="0190.html">Oliver Rauch: "Re: Document Feeders"</a>
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<li> <b>Previous message:</b> <a href="0188.html">Andreas Rick: "Re: Document Feeders"</a>
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<li> <b>Maybe in reply to:</b> <a href="0182.html">Nick Lamb: "Document Feeders (was Re: Anyone with a Umax Document Feeder?)"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0194.html">Oliver Rauch: "Re: Document Feeders (was Re: Anyone with a Umax Document Feeder?)"</a>
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<!-- reply="end" -->
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</ul>
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Nick Lamb wrote:<br>
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<p>
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<i>> Can we reconcile these two approaches into a single mechanism?</i><br>
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<p>
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Where is the problem when the backend calls "change page"<br>
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before starting the scan when scan source is set to "ADF" ?<br>
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This does work for all scanners with ADF!<br>
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I see no problem with this, because the idea of the ADF is to put in<br>
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a lot of papers that shall be copied, faxed or archieved, so the user<br>
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selects starts and comes back half an hour later and everything is<br>
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finished.<br>
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<p>
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If you want a user interactive mode, the frontend does not need to<br>
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know anything about that because the user does press the buttons.<br>
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So if the user shall be able to say "next paper" that is not the idea<br>
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of ADF. I suggest to add an other scan source "Manual Document Feeder"<br>
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or something like that. But we do not need any well known options for<br>
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this because the frontend does not do anything automatically!<br>
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<p>
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<i>></i><br>
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<i>> Also, Oliver: Does the Umax way give you separate scan data for each</i><br>
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<i>> sheet, or does the user/app have to cut it up post-scan?</i><br>
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<p>
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You get one image per page!<br>
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You call SANE_START, the scanner loads the page and scans the selected area.<br>
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Second SANE_START produces next image.<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="0190.html">Oliver Rauch: "Re: Document Feeders"</a>
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<li> <b>Previous message:</b> <a href="0188.html">Andreas Rick: "Re: Document Feeders"</a>
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<li> <b>Maybe in reply to:</b> <a href="0182.html">Nick Lamb: "Document Feeders (was Re: Anyone with a Umax Document Feeder?)"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0194.html">Oliver Rauch: "Re: Document Feeders (was Re: Anyone with a Umax Document Feeder?)"</a>
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<!-- reply="end" -->
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</ul>
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