sane-project-website/old-archive/1997-05/0017.html

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<title>sane-devel: Re: mustek-probs: color, preview</title>
<h1>Re: mustek-probs: color, preview</h1>
<a href="mailto:becka@sunserver1.rz.uni-duesseldorf.de"><i>becka@sunserver1.rz.uni-duesseldorf.de</i></a><br>
<i>Mon, 26 May 1997 00:02:04 +0200 (MET DST)</i>
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<i>&gt; Andreas&gt; But I have still problems trying to scan images in</i><br>
<i>&gt; Andreas&gt; color-mode. The image I get has many horizontal stripes. It</i><br>
<i>&gt; Andreas&gt; seems that stripes of red, green and blue (ca. 30-60 pixel</i><br>
<i>&gt; Andreas&gt; height) are not exactly layed over the other stripes but</i><br>
<i>&gt; Andreas&gt; moved a little down (ca. 1-3 pixel). Is this problem known</i><br>
<i>&gt; Andreas&gt; by someone else? </i><br>
Yes. I suppose this is caused by the wrong LD-correction code being active.<br>
Please have a look at the source. There is a flag which is set for<br>
the MFS 12000-SP for FW-revision &lt;1.02 . Try to hack this in for your <br>
scanner and tell us what happens.<br>
<p>
<i>&gt; (a) The height of the scanner is not correct. At present, mustek.c defines</i><br>
<i>&gt; the height to be 360mm for your scanner type. If that's not correct,</i><br>
<i>&gt; could you measure the width and height of the scan area and let me know?</i><br>
<i>&gt; (you could also experiment/change with the width and height as defined</i><br>
<i>&gt; around line 339 in backend/mustek.c).</i><br>
Please be careful with this. Do not set the height too high. Though it didn't<br>
do permanent damage to my scanner when it was set a bit too high, I have<br>
heard of someone shredding his mechanics with a way too high setting.<br>
<p>
CU,Andy<br>
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--
Andreas Beck | Email : &lt;<a href="mailto:becka@sunserver1.rz.uni-duesseldorf.de">becka@sunserver1.rz.uni-duesseldorf.de</a>&gt;
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<li> <b>Next message:</b> <a href="0018.html">Gordon Matzigkeit: "a priori image dimensions"</a>
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