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<!-- name="Kevin R. Charter" -->
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<!-- subject="Re: scanimage lineart bugreport (fwd) -- SnapScan backend" -->
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<title>sane-devel: Re: scanimage lineart bugreport (fwd) -- SnapScan backend</title>
<h1>Re: scanimage lineart bugreport (fwd) -- SnapScan backend</h1>
<b>Kevin R. Charter</b> (<a href="mailto:charter@cs.ualberta.ca"><i>charter@cs.ualberta.ca</i></a>)<br>
<i>Sun, 06 Sep 1998 14:08:01 -0600</i>
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<a href="mailto:becka@rz.uni-duesseldorf.de">becka@rz.uni-duesseldorf.de</a> wrote:<br>
<i>&gt; </i><br>
<i>&gt; Hi Maik, hi folks.</i><br>
<i>&gt; </i><br>
<i>&gt; Maik: I have translated your message and forwarded to the SANE mailing list,</i><br>
<i>&gt; as I am not familiar with the AGFA driver.</i><br>
<i>&gt; </i><br>
<i>&gt; &gt; I have bought a scanner - type agfa 310. It works well, sane compiled</i><br>
<i>&gt; &gt; without errors, ...</i><br>
<i>&gt; &gt;</i><br>
<i>&gt; &gt; However the lineart mode does not produce a useable result.</i><br>
<i>&gt; &gt; xv says "data truncated" - it seems this is not a pbm/pgm/ppm file.</i><br>
<i>&gt; &gt;</i><br>
<i>&gt; &gt; [ he sent me an attachment from a small scan acquired with:</i><br>
<i>&gt; &gt; scanimage -x 60 -y 60 --resolution 100 --mode LineArt &gt; line.pnm</i><br>
<i>&gt; &gt; I've cut it out to save list bandwidth. People interested in helping</i><br>
<i>&gt; &gt; him, please ask him for it. I'll analyze the file myself, too, as soon</i><br>
<i>&gt; &gt; as I get that somewhat strange MIME encoding unpacked.]</i><br>
<p>
Unfortunately, our support for the 310 is a little incomplete, and the<br>
major<br>
problems seem to be in the lineart mode. The backend was originally<br>
designed<br>
for the 300, and some changes were contributed by Emmanuel Blot (his<br>
address<br>
should be in the source, or else look at<br>
<a href="http://www.cs.ualberta.ca/~charter/snapscan.html">http://www.cs.ualberta.ca/~charter/snapscan.html</a>). I haven't had a lot<br>
of time<br>
to work on this in the past several months, but Emmanuel may have solved<br>
the<br>
lineart problems. I'll try to look over the 310 docs and see if I can<br>
guess<br>
the problem, but I can't test any modifications I make, and I can't<br>
promise<br>
I would get this done soon.<br>
<p>
More generally, I'm finally back in touch with the list, and have a new<br>
email<br>
address (<a href="mailto:charter@cs.rice.edu">charter@cs.rice.edu</a>). The snapscan homepage will remain at its<br>
current location for a while; it's accessible through both<br>
<a href="http://www.cs.ualberta.ca/~charter">http://www.cs.ualberta.ca/~charter</a> and http://www.cs.rice.edu/~charter.<br>
If anybody<br>
has had SnapScan-related questions stored up over the last couple of<br>
weeks,<br>
please send them along.<br>
<p>
Kevin<br>
<p>
PS&gt; As for the GTK errors, I'm not sure about that.<br>
<p>
<pre>
--
Kevin Charter Grad Student
<a href="mailto:charter@cs.rice.edu">charter@cs.rice.edu</a> Department of Computer Science
<a href="http://www.cs.rice.edu/~charter">http://www.cs.rice.edu/~charter</a> Rice University
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