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125 wiersze
5.3 KiB
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<!-- received="Thu Apr 1 05:06:22 1999 PST" -->
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<!-- sent="Thu, 01 Apr 1999 14:47:57 +0200" -->
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<!-- name="Oliver Rauch" -->
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<!-- email="oliver.rauch@Wolfsburg.DE" -->
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<!-- subject="Re: To Astra 6X0S users!" -->
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<!-- inreplyto="To Astra 6X0S users!" -->
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<title>sane-devel: Re: To Astra 6X0S users!</title>
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<h1>Re: To Astra 6X0S users!</h1>
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<b>Oliver Rauch</b> (<a href="mailto:oliver.rauch@Wolfsburg.DE"><i>oliver.rauch@Wolfsburg.DE</i></a>)<br>
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<i>Thu, 01 Apr 1999 14:47:57 +0200</i>
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<li> <b>Messages sorted by:</b> <a href="date.html#0">[ date ]</a><a href="index.html#0">[ thread ]</a><a href="subject.html#0">[ subject ]</a><a href="author.html#0">[ author ]</a>
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<li> <b>Next message:</b> <a href="0001.html">Oliver Rauch: "Re: PCMCIA SCSI and SANE (Umax)"</a>
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I answer this mail public because it may be interisting for others too!<br>
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<p>
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Rob Fargher wrote:<br>
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<p>
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<i>> On Tue, 30 Mar 1999 15:34:33 +0200, Oliver Rauch wrote:</i><br>
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<i>></i><br>
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<i>> >did anyone test if the new umax-backend works with the Astra 6X0S</i><br>
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<i>> >scanners?</i><br>
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<i>> ></i><br>
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<i>> >Please set the shading type in advanced options to "calculate average and</i><br>
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<i>> >invert"</i><br>
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<i>> >and do some color scans (not preview)!</i><br>
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<i>></i><br>
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<i>> Oliver, I tried it with XSane 0.19 and Gimp on my Astra 610S. The "calculate average</i><br>
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<i>> and invert" not only works but it works quite well! Thank you. I played with it a fair</i><br>
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<i>> bit this afternoon and had no problems.</i><br>
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Thanks for that info!<br>
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<p>
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<p>
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<p>
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<i>> A couple of suggestions about XSane:</i><br>
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<i>></i><br>
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<i>> 1) Rather than just having one printer command in Copy mode, I would like to have 3</i><br>
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<i>> radio buttons, labelled "Draft", "Good" and "Best" with individual printer commands</i><br>
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<i>> assignable to each. I have an Epson Stylus Colour II inkjet printer set up with</i><br>
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<i>> GhostScript with different print queues for different output quality. I don't need 720 x</i><br>
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<i>> 720 dpi resolution for photocopying a page of text where 180 x 180 monochrome is</i><br>
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<i>> ample (i.e. draft mode) but would like to have 720 x 720 CMYK available for</i><br>
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<i>> photocopying some beautifully coloured fractals!</i><br>
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<i>></i><br>
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I plan to add a setup/selection for different printers. But this will take a while, there<br>
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areother important things first.<br>
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<p>
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<i>> 2) In copy mode, Xsane will not work if the filename in the entry box in scan mode is</i><br>
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<i>> non-existant or invalid. A small point but why should it matter in copy mode?</i><br>
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<i>></i><br>
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Should be ok in the next version!<br>
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<i>> 3) I don't know if this next one is possible in Xsane. In Copy mode, I would like the</i><br>
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<i>> ability to specify the image position on the print page if the zoom factor is < 100%.</i><br>
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<i>> Right now, it simply centres the image on the page.</i><br>
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<i>></i><br>
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That will come in the far futuer the way it is done in xv.<br>
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<p>
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<i>> 4) The availablity of the histogram, coupled with the ability to adjust levels from the</i><br>
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<i>> histogram is marvellous. Thank you, it is a significant enhancement to the</i><br>
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<i>> functionality of Sane. But the custom gamma table (or curve tools) in xscanimage is</i><br>
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<i>> also very powerful. Could you add that code from xscanimage to XSane and make the</i><br>
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<i>> best of both worlds available?</i><br>
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<i>></i><br>
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<p>
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The gamma curve display in xscanimage is done by gtk. There is an important bug in<br>
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theroutine, the quality of the generated gamma table is very bad if the display window is<br>
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small.<br>
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The gamma table quanitsation is given by the pixels (in x direction) by the window.<br>
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Because of that I will not include it into xsane until this is corrected.<br>
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May be someone likes to do this!<br>
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<p>
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<i>> 5) When adjusting the scanning parameters using the Histogram or custom gamma</i><br>
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<i>> table, could you add a second image to the scan preview? One showing the current</i><br>
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<i>> preview image before adjustment with the second showing the preview effects of the</i><br>
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<i>> Histogram/gamma table adjustment for direct comparison.</i><br>
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<i>></i><br>
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<p>
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Sounds like a good idea, I will see...<br>
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<p>
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<i>> 6) Should you ever come over here, to British Columbia on the wet coast of Canada,</i><br>
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<i>> please let me know. I want to buy you a few beers! :-)</i><br>
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<i>></i><br>
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;-)<br>
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<p>
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<i>> Cheers,</i><br>
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<i>> Rob</i><br>
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<p>
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Bye<br>
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Oliver<br>
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<p>
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<pre>
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--
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EMAIL: <a href="mailto:Oliver.Rauch@Wolfsburg.DE">Oliver.Rauch@Wolfsburg.DE</a>
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WWW: <a href="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</a>
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<p>
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<p>
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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.mostang.com/sane/">http://www.mostang.com/sane/</a>
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</pre>
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<li> <b>Next message:</b> <a href="0001.html">Oliver Rauch: "Re: PCMCIA SCSI and SANE (Umax)"</a>
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