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<!-- received="Tue Mar 16 09:55:09 1999 PST" -->
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<!-- sent="Tue, 16 Mar 1999 18:54:06 +0100" -->
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<!-- name="Ewald R. de Wit" -->
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<!-- email="ewald@pobox.com" -->
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<!-- subject="Re: HP Photosmart R032 problem" -->
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<!-- inreplyto="19990316105312.20574@ux11.cso.uiuc.edu" -->
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<title>sane-devel: Re: HP Photosmart R032 problem</title>
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<h1>Re: HP Photosmart R032 problem</h1>
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<b>Ewald R. de Wit</b> (<a href="mailto:ewald@pobox.com"><i>ewald@pobox.com</i></a>)<br>
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<i>Tue, 16 Mar 1999 18:54:06 +0100</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#166">[ date ]</a><a href="index.html#166">[ thread ]</a><a href="subject.html#166">[ subject ]</a><a href="author.html#166">[ author ]</a>
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<li> <b>Next message:</b> <a href="0167.html">Petter Reinholdtsen: "Sane documentation inconsistency"</a>
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<li> <b>Previous message:</b> <a href="0165.html">john allen pitney: "Re: HP Photosmart R032 problem"</a>
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</ul>
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john allen pitney (<a href="mailto:pitney@students.uiuc.edu">pitney@students.uiuc.edu</a>) wrote:<br>
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<p>
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<i>> I interpreted this as a tone map download:</i><br>
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<i>> </i><br>
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<i>> time 0 command 0a flags 54 status 01 length 5 *a5T</i><br>
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<i>> time 0 command 0a flags 54 status 01 length 5 *a6D</i><br>
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<i>> time 0 command 0a flags 54 status 01 length 8 *a1024W</i><br>
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<i>> time 0 command 0a flags 54 status 01 length 1024 </i><br>
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<i>> </i><br>
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<i>> According to <a href="http://www.dmo.hp.com/devexchange/nam/scanjet/sclv9.htm">http://www.dmo.hp.com/devexchange/nam/scanjet/sclv9.htm</a> the </i><br>
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<i>> *a6D means a 10x8 tone map is about to be downloaded. Am I reading this </i><br>
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<i>> right? I take that last line above to be the downloading of 10-bits </i><br>
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<i>> worth of gamma table. </i><br>
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<p>
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That is most definitely a tonemap transfer caught in the act, so it<br>
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can indeed be done.<br>
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<p>
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<i>> KDE!?! :-) Anyway, enjoy your project.</i><br>
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<p>
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Hehehe.. thank you for your warm feelings :-) <br>
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<p>
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<i>> I think that xscanimage/hp backend </i><br>
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<i>> is pretty close right now, it just needs a few more tweaks. </i><br>
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<br>
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If you could put in a 10x8 gamma map in the backend that would be very cool. <br>
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Meanwhile I'll be trying the software-only route, that is to do<br>
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everything with high bit depth accuracy in software.<br>
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<p>
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<pre>
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--
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-- Ewald
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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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</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="0167.html">Petter Reinholdtsen: "Sane documentation inconsistency"</a>
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<li> <b>Previous message:</b> <a href="0165.html">john allen pitney: "Re: HP Photosmart R032 problem"</a>
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</ul>
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