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<!-- received="Fri May 21 08:33:31 1999 PDT" -->
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<!-- sent="Fri, 21 May 1999 17:28:30 +0200" -->
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<!-- name="Denis Prost" -->
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<!-- email="denis.prost@wanadoo.fr" -->
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<!-- subject="Re: only negative output with scanimage (Canon Canoscan 300)" -->
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<!-- id="99052117474900.22007@localhost.localdomain" -->
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<!-- inreplyto="only negative output with scanimage (Canon Canoscan 300)" -->
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<title>sane-devel: Re: only negative output with scanimage (Canon Canoscan 300)</title>
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<h1>Re: only negative output with scanimage (Canon Canoscan 300)</h1>
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<b>Denis Prost</b> (<a href="mailto:denis.prost@wanadoo.fr"><i>denis.prost@wanadoo.fr</i></a>)<br>
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<i>Fri, 21 May 1999 17:28:30 +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#227">[ date ]</a><a href="index.html#227">[ thread ]</a><a href="subject.html#227">[ subject ]</a><a href="author.html#227">[ author ]</a>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0228.html">Oliver Rauch: "Re: Umax scanner woes (halp!)"</a>
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<li> <b>Previous message:</b> <a href="0226.html">Chris Bitmead: "Re: Gamma and xsane"</a>
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<li> <b>Maybe in reply to:</b> <a href="0221.html">Denis PROST: "only negative output with scanimage (Canon Canoscan 300)"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0231.html">Andreas Beck: "Re: only negative output with scanimage (Canon Canoscan 300)"</a>
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<li> <b>Reply:</b> <a href="0231.html">Andreas Beck: "Re: only negative output with scanimage (Canon Canoscan 300)"</a>
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<!-- reply="end" -->
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</ul>
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<!-- body="start" -->
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<i>>Hi !</i><br>
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<i>></i><br>
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<i>>> --negative=no, but for both of them, scanimage says :</i><br>
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<i>>> "scanimage: attempted to set inactive option negative"</i><br>
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<i>>> With xscanimage, I do not get this problem : I can</i><br>
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<i>>> uncheck the "negative" option, and then the result of the scanning is no more</i><br>
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<i>>> negative.</i><br>
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<i>></i><br>
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<i>>The checking of options is sensitive to order. The error message says, that</i><br>
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<i>>the option is inactive, which means it cannot be used with the _currently_</i><br>
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<i>>active setup.</i><br>
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<i>></i><br>
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<i>>I assume this option is only available, if you are using a transparencies</i><br>
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<i>>adapter or similar, so be sure to turn the option that specifies this</i><br>
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<i>>on _before_ you try to set the --negative option.</i><br>
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<i>></i><br>
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<i>>CU, ANdy</i><br>
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<i>></i><br>
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<i>>-- </i><br>
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<i>>Andreas Beck | Email : <<a href="mailto:Andreas.Beck@ggi-project.org">Andreas.Beck@ggi-project.org</a>></i><br>
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<i>></i><br>
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<i>></i><br>
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<p>
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Hi Andy,<br>
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<p>
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Thanks for your help. In fact, I did not find any option that is available for<br>
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my scanner and that could bring the --negative option active. Here are some of<br>
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the outputs that I get when I run "scanimage -h -d canon:/dev/sgb" :<br>
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<p>
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------------<br>
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Options specific to device `canon:/dev/scanner':<br>
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(...)<br>
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Scan Mode:<br>
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--mode Lineart|Halftone|Gray|Color [Color]<br>
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Selects the scan mode (e.g., lineart,monochrome, or color).<br>
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--negative Negatives|Slides [inactive]<br>
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Selects the film type, i.e. negatives or slides<br>
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(...)<br>
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Extra color adjustments:<br>
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--negative[=(yes|no)] [yes]<br>
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Swap black and white<br>
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--------------<br>
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<p>
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So, the "--negative Negatives|Slides" option is inactive for my scanner, but<br>
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the --negative[=(yes|no)] should be active though, when I try it, scanimage<br>
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says that it is inactive. <br>
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<p>
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I wonder if the fact that both options get the same "--negative" name does not<br>
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puzzle scanimage which then considers both of them as inactive as soon as<br>
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one of them is(would it be a bug ?). It could explain that xscanimage, which<br>
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does not work on a command line mode, works fine with the "negative" option.<br>
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<p>
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By the way, to temporarily work around this problem, does anyone know a program<br>
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that can convert a negative pbm image into a positive one ?<br>
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<p>
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Thanks in advance<br>
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<p>
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Cheers<br>
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<p>
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Denis<br>
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<p>
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<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="0228.html">Oliver Rauch: "Re: Umax scanner woes (halp!)"</a>
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<li> <b>Previous message:</b> <a href="0226.html">Chris Bitmead: "Re: Gamma and xsane"</a>
|
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<li> <b>Maybe in reply to:</b> <a href="0221.html">Denis PROST: "only negative output with scanimage (Canon Canoscan 300)"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0231.html">Andreas Beck: "Re: only negative output with scanimage (Canon Canoscan 300)"</a>
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<li> <b>Reply:</b> <a href="0231.html">Andreas Beck: "Re: only negative output with scanimage (Canon Canoscan 300)"</a>
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<!-- reply="end" -->
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</ul>
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