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<TITLE>sane-devel: Re: Microtec X6 wrong colors</TITLE>
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<META NAME="Author" CONTENT="Karsten Festag (karsten.festag@t-online.de)">
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<META NAME="Subject" CONTENT="Re: Microtec X6 wrong colors">
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<H1>Re: Microtec X6 wrong colors</H1>
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<!-- received="Mon Jun 11 14:46:57 2001" -->
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<!-- isoreceived="20010611214657" -->
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<!-- sent="Mon, 11 Jun 2001 23:51:04 +0200" -->
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<!-- isosent="20010611215104" -->
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<!-- name="Karsten Festag" -->
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<!-- email="karsten.festag@t-online.de" -->
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<!-- subject="Re: Microtec X6 wrong colors" -->
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<!-- id="3B253D48.964C46DA@t-online.de" -->
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<!-- inreplyto="01052914024706.32658@poseidon" -->
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<STRONG>From:</STRONG> Karsten Festag (<A HREF="mailto:karsten.festag@t-online.de?Subject=Re:%20Microtec%20X6%20wrong%20colors&In-Reply-To=<3B253D48.964C46DA@t-online.de>"><EM>karsten.festag@t-online.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Mon Jun 11 2001 - 14:51:04 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0187.html">wizzerd@panetwork.com: "Re: driver differeces"</A>
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<UL>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0185.html">Henning Meier-Geinitz: "Re: net/saned problems"</A>
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<HR NOSHADE><P>
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<P>
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Aristides Kontogeorgis wrote:
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<BR>
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<EM>>
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</EM><BR>
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<EM>> I own a microtex X6 and the colors appear green sometimes.
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</EM><BR>
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<EM>> This is a known problem and I was advised to upgrade the
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</EM><BR>
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<EM>> firmware of the scaner to 1.6 ( It is now 1.0)
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> This sounds difficult to me.
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</EM><BR>
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<P>There is a new version of the microtek2 backend in the CVS-Snapshot
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<BR>
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which is available at www.mostang.com/sane. I don't know if it helps but
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<BR>
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if you like you can test it.
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<BR>
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<P><EM>>
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</EM><BR>
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<EM>> An alternative aproach might be the following:
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</EM><BR>
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<EM>> Now I have to scan a picture twice, if the first
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</EM><BR>
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<EM>> scanning is green I change the x-coordinade of the
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</EM><BR>
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<EM>> scanning area one pixel to the left or right and the colors
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</EM><BR>
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<EM>> are correct.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> I also think that in 200dpi resolution I got always correct colors
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</EM><BR>
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<EM>> if the x-coordinate is divisible by 2.
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</EM><BR>
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<EM>> This channges in different resulotions.
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</EM><BR>
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<EM>> Question:
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</EM><BR>
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<EM>> Can one think of a general formula of the correct x-coordinates?
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</EM><BR>
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<P>It depends on the bug in the firmware, i think you will have to find it
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<BR>
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out by yourself.
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<BR>
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<P><EM>>
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</EM><BR>
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<EM>> If the answer is yes, then I will try to modify xsane so that the possible
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</EM><BR>
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<EM>> coordinates of the scanning area give correct colors
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</EM><BR>
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<EM>> (for example in the 200dpi resolution the marching area selection
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</EM><BR>
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<EM>> tool has to move in steps of 2.)
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</EM><BR>
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<EM>>
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</EM><BR>
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<P>You should modify the backend so that it corrects the values rather than
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<BR>
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xsane. Xsane is identical for all scanners, the scanner-dependent code
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<BR>
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is in the backend (microtek2.c in your case).
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<BR>
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<P>Karsten Festag
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<BR>
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<P><P><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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<LI><STRONG>Next message:</STRONG> <A HREF="0187.html">wizzerd@panetwork.com: "Re: driver differeces"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0185.html">Henning Meier-Geinitz: "Re: net/saned problems"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Mon Jun 11 2001 - 14:48:30 PDT</EM>
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