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<title>sane-devel: Setting gamma with xsane</title>
<h1>Setting gamma with xsane</h1>
<b>Manuel Panea</b> (<a href="mailto:mpd@rzg.mpg.de"><i>mpd@rzg.mpg.de</i></a>)<br>
<i>Tue, 7 Dec 1999 09:26:19 +0100</i>
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<p>
Hi, Oliver.<br>
<p>
I finally came around to installing xsane and testing it with the Canon<br>
backend. Everything seems to work fine. It didn't hang and neither did the<br>
backend. It looks good and is certainly more comfortable and has more<br>
features than xscanimage.<br>
<p>
The only thing I couldn't figure out is: with xscanimage I have the option<br>
of setting a gamma curve for the scanning. This gamma setting is actually<br>
sent to the scanner and it is the scanner who does the gamma correction.<br>
With xsane I can set a gamma value, but not a gamma curve. Besides, under<br>
(I think) "File-&gt;Info", it says that the gamma correction is done by<br>
software (xsane). Can't I send a gamma curve to the scanner with xsane?<br>
<p>
One other -less important- thing: I find the icons at the bottom of the<br>
main xsane window, specially "Negative" and "Autoenhancement" difficult<br>
to understand. If there were no bubble help I wouldn't have a clue about<br>
what they could be for.<br>
<p>
<p>
My kudos for the good work.<br>
<p>
<p>
Manuel Panea Tel. +49 89 3299 1133<br>
Rechenzentrum Garching Fax +49 89 3299 1301<br>
Postfach 1533 E-mail: <a href="mailto:mpd@rzg.mpg.de">mpd@rzg.mpg.de</a><br>
85740 Garching Germany <a href="http://www.rzg.mpg.de/~mpd">http://www.rzg.mpg.de/~mpd</a><br>
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