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<TITLE>sane-devel: Re: image defaults</TITLE>
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<META NAME="Author" CONTENT="Johan Bengtsson (johanb@lls.se)">
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<META NAME="Subject" CONTENT="Re: image defaults">
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<H1>Re: image defaults</H1>
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<!-- received="Thu Sep 7 01:40:49 2000" -->
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<!-- name="Johan Bengtsson" -->
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<STRONG>From:</STRONG> Johan Bengtsson (<A HREF="mailto:johanb@lls.se?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>"><EM>johanb@lls.se</EM></A>)<BR>
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<STRONG>Date:</STRONG> Thu Sep 07 2000 - 01:36:04 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0062.html">mh: "SANE Api question: SANE_INFO_RELOAD_OPTIONS"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0060.html">Arnaud Calvo: "Re: image defaults"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0052.html">Stephen Williams: "Re: image defaults"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0068.html">Stephen Williams: "Re: image defaults"</A>
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Den Thu, 07 Sep 2000 skrev du:
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<BR>
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<EM>> <A HREF="mailto:arnaud@calvo-france.com?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>">arnaud@calvo-france.com</A> said:
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</EM><BR>
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<EM>> > "The best hope, though, is to find the natural resolution of the
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</EM><BR>
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<EM>> > scanner, and scan at that resolution." How can I find that ?
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Lucky guess, I think. The information consumers get from their scanners
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</EM><BR>
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<EM>> is pretty darn close to useless. However, some scanner specifications
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</EM><BR>
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<EM>> give an "optical" resolution. If yours does, that is the magic number.
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</EM><BR>
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<EM>> If not, the maximum resolution is the next best guess. (Though I've seen
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</EM><BR>
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<EM>> some scanners with optical resolution < max resolution. At least in those
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</EM><BR>
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<EM>> cases the manufacturer called the max resolution "interpolated.")
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> <A HREF="mailto:arnaud@calvo-france.com?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>">arnaud@calvo-france.com</A> said:
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</EM><BR>
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<EM>> > What's the difference beetween "scale" and "resize"
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> In gimp, "Scale" changes the size of the image by scaling the picture, and
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</EM><BR>
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<EM>> "Resize" changes the size of the image by clipping or padding.
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</EM><BR>
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<P>Sorry, but that is not correct. Resize just changes the size of the image, and
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<BR>
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scale also changes size, but tries to to it without losing image quality. This
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<BR>
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is done by adding or removing pixels from the image. This is also called
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<BR>
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interpolation. Check page 100 and 268 in "GIMP The Official Handbook" by
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<BR>
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Kylander & Kylander.
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<BR>
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<P>-Johan Bengtsson
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<BR>
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<P><P><EM>>
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</EM><BR>
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<EM>> --
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</EM><BR>
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<EM>> Steve Williams "The woods are lovely, dark and deep.
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</EM><BR>
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<EM>> <A HREF="mailto:steve@icarus.com?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>">steve@icarus.com</A> But I have promises to keep,
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</EM><BR>
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<EM>> <A HREF="mailto:steve@picturel.com?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>">steve@picturel.com</A> and lines to code before I sleep,
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</EM><BR>
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<EM>> <A HREF="http://www.picturel.com">http://www.picturel.com</A> And lines to code before I sleep."
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> --
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</EM><BR>
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<EM>> Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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</EM><BR>
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<EM>> To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>">majordomo@mostang.com</A>
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</EM><BR>
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<PRE>
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--
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==================================================================
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Tent Of Miracles
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- the unofficial homepage of the legendary band Spirit:
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<A HREF="http://www.lls.se/~johanb/spirit/">http://www.lls.se/~johanb/spirit/</A>
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August - free html editor for Unix/Linux:
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<A HREF="http://www.lls.se/~johanb/august/">http://www.lls.se/~johanb/august/</A>
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E-mail @ home: <A HREF="mailto:johanb@lls.se?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>">johanb@lls.se</A> ICQ: 27505976
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Fotografiska F<>reningen i G<>teborg:
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<A HREF="http://www.netg.se/ffg/">http://www.netg.se/ffg/</A>
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Personal website:
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<A HREF="http://www.lls.se/~johanb/">http://www.lls.se/~johanb/</A>
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==================================================================
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<P><P>--
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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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20image%20defaults&In-Reply-To=<00090710451900.00934@randy>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0062.html">mh: "SANE Api question: SANE_INFO_RELOAD_OPTIONS"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0060.html">Arnaud Calvo: "Re: image defaults"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0052.html">Stephen Williams: "Re: image defaults"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0068.html">Stephen Williams: "Re: image defaults"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Thu Sep 07 2000 - 01:41:54 PDT</EM>
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