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136 wiersze
6.4 KiB
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<!-- received="Sun May 25 17:44:00 1997 MST" -->
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<!-- sent="Sun, 25 May 1997 17:19:45 -0700" -->
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<!-- name="David Mosberger-Tang" -->
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<!-- email="davidm@azstarnet.com" -->
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<!-- subject="Re: HP support" -->
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<!-- id="199705260019.RAA06243@panda.mosberger" -->
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<!-- inreplyto="3388A18C.5FA1504E@cae.wisc.edu" -->
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<title>sane-devel: Re: HP support</title>
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<h1>Re: HP support</h1>
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<b>David Mosberger-Tang</b> (<a href="mailto:davidm@azstarnet.com"><i>davidm@azstarnet.com</i></a>)<br>
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<i>Sun, 25 May 1997 17:19:45 -0700</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#16">[ date ]</a><a href="index.html#16">[ thread ]</a><a href="subject.html#16">[ subject ]</a><a href="author.html#16">[ author ]</a>
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<li> <b>Next message:</b> <a href="0017.html">becka@sunserver1.rz.uni-duesseldorf.de: "Re: mustek-probs: color, preview"</a>
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<li> <b>Previous message:</b> <a href="0015.html">David Mosberger-Tang: "Re: problems with mscan-0.1 and paragon 600IICD"</a>
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</ul>
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<i>>>>>> On Sun, 25 May 1997 15:31:08 -0500, Worawut Wisutmethangoon <<a href="mailto:wisutmet@cae.wisc.edu">wisutmet@cae.wisc.edu</a>> said:</i><br>
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<p>
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Worawut> I'd like to add that I also have the same problem;<br>
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Worawut> preview doesn't work for me. My scanner is HP Scanjet 5p,<br>
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Worawut> though. I use sane-0.57 and gtk rpm from redhat<br>
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Worawut> contribution packages. The gtk rpm contains<br>
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<p>
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You are the first person to report on the 5p. I gather the actual<br>
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scanning works fine? If so, can you send me the SCSI id for your<br>
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scanner? It should be something similar to C2520A and can be found in<br>
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/var/log/messages.<br>
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<p>
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Worawut> libgdk.so.1.0.0 libgtk.so.1.0.0 libgimp.so.1.0.0<br>
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Worawut> libgimpui.so.1.0.0 libglib.so.1.0.0<br>
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<p>
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Worawut> I downloaded the gtk+970426-davidm.tar.gz but could<br>
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Worawut> not compile it. The file README and INSTALL are empty.<br>
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<br>
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The gtk tar ball is simply gimp's gtk+ subdirectory with a few<br>
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patches. ./configure and make should work fine. But as Michael said<br>
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in an earlier mail, the Red Hat GTK RPM should contain all you need.<br>
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I'm not sure why the preview window should fail. Maybe somebody that<br>
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can reproduce this problem could investigate?<br>
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<p>
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Worawut> I also cannot run the installed [x]scanimage<br>
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Worawut> programs. I have to run it from the sane-0.57/frontend/<br>
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Worawut> directory. It seems to me that the programs in the<br>
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Worawut> sane-0.57/frontend/ directory are the wrappers of the<br>
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Worawut> programs hidden in sane-0.57/frontend/.libs. Somehow the<br>
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Worawut> installation copied those files to /usr/local/bin/ but did<br>
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Worawut> not copy the wrappers.<br>
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<p>
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The wrappers are not needed in the installed versions. I suspect<br>
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you're using an older Linux version, though I'm not sure what causes<br>
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the behavior you're seeing. If you don't want to debug this yourself,<br>
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you can build SANE with configuration-option --disable-shared. That<br>
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should work around the problem by using statically linked libraries<br>
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only.<br>
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<p>
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Worawut> To run xscanimage, I need to type in the<br>
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Worawut> sane-0.57/frontend/ ./xscanimage hp Without the argument hp<br>
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Worawut> it will popup device selection window with options pnm:0<br>
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Worawut> and pnm:1. Both do not work with my scanner.<br>
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<p>
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pnm:0 and pnm:1 are pseudo-backends that read PNM images. They don't<br>
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access your scanner at all (see "man sane-pnm"). Make sure the line:<br>
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<p>
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hp<br>
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<p>
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appears in /usr/local/etc/sane.d/dll.conf (and you may also want to<br>
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read the sane-dll(5) man-page). sane-0.57 lists the hp backend in<br>
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dll.conf by default, but it may be not there if you installed an<br>
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earlier version of SANE (as a safety feature, SANE will not overwrite<br>
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files already installed in /usr/local/etc/sane.d).<br>
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<p>
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Worawut> Also, with scanimage I cannot use geometry options (<br>
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Worawut> -t -l -x -y). For example, with the command ./scanimage -d<br>
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Worawut> hp -x 200 -y 200 --mode Color --resolution 100 > out.pnm I<br>
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Worawut> got the following error scanimage: setting of option --br-x<br>
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Worawut> failed (Invalid argument) Or ./scanimage -d hp -t 0 -l 0<br>
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Worawut> --mode Color --resolution 100 > out.pnm gives scanimage:<br>
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Worawut> setting of option --tl-y failed (Invalid argument)<br>
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<p>
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Worawut> This is very similar error to what I got when trying<br>
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Worawut> to scan preview in the xscanimage.<br>
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<p>
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Worawut> Error: Failed restore value of option tl-x: Invalid<br>
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Worawut> argument. Error: Failed restore value of option tl-y:<br>
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Worawut> Invalid argument.<br>
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<p>
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I don't know why this happens. Can anybody with an HP scanner look<br>
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into this (assuming the problem is reproducible)?<br>
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<p>
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Worawut> Another thing, the default resolution is set to 18 dpi. Why is it<br>
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Worawut> so coarse?<br>
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<p>
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18dpi would give you a preview-quality image with scanimage when not<br>
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typing any other option. Seems like a reasonable default to me.<br>
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<p>
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Worawut> Is there a way to set the the to something<br>
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Worawut> finer?<br>
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<br>
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Sure, simply use something like --resolution 100. The options are<br>
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explained when you type "scanimage --help --device hp".<br>
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<p>
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When using xscanimage, you can simply slide the resolution to the<br>
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desired value (say, 100dpi), and then activate<br>
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<p>
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Preferences->Save device settings<br>
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<p>
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The next time you invoke xscanimage, it will default to your chosen<br>
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value instead of 18dpi.<br>
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<p>
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Worawut> Lastly, I'd like to thank all the developers of<br>
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Worawut> SANE. Keep up the good work.<br>
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<br>
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You're welcome!<br>
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<p>
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--david<br>
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<p>
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<pre>
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--
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Source code, list archive, and docs: <a href="http://www.azstarnet.com/~axplinux/sane/">http://www.azstarnet.com/~axplinux/sane/</a>
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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0017.html">becka@sunserver1.rz.uni-duesseldorf.de: "Re: mustek-probs: color, preview"</a>
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<li> <b>Previous message:</b> <a href="0015.html">David Mosberger-Tang: "Re: problems with mscan-0.1 and paragon 600IICD"</a>
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<!-- nextthread="start" -->
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</ul>
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