Am 30.10.2011 03:30, schrieb Nick Payne:
On 30/10/11 08:22, MarkusPfaff wrote:On my Kubuntu 11.10 system the .eps output generated from a .ly file has ledger lines that loose their fill gradually from left to right. You may see that in the attached example especially if you zoom in heavily on such a line.If I open the eps file you attached using Evince on Ubuntu 10.04, there is no problem visible with the ledger lines, nor is there any problem with a PDF generated from the eps using Acrobat Distiller on Windows. So I would say that the problem is with the viewer rather than the file itself.
Nick, please try the following on your Ubuntu system: Open a new LibreOffice Writer document and drag the .eps into it (would be the same as to import it as a picture from a file). Now zoom in a lot
on the ledger lines. Also interesting: Enlarge the picture in the LibreOffice Writer document (hold shift key to keep the original width/height ratio). Print the document. It seems that LibreOffice uses ghostscript to interpret .eps as well as for printing the document. If ghostscript was just a viewer I'd not have a problem. Unfortunately ghostscript plays an important role in a Linux system for conversion and printing of all .ps and .eps. I doubt it is easy to find a workaround to circumvent it on the way to a printed document. To encircle the problem a little more I've tried to generate an.eps from the same lilypond source under Windows. This file has the same behaviour: It will not show artifacts in the Win7 environment even if viewed with GSview (which uses the windows version 8.71 of ghostscript!). But on my Linux system the same semi-hollow ledger lines are there for that file again.
Of course I tried it also the other way round: Using the Linux generated .eps on Windows (again GSview). Result: No artifacts.
If you - happily - are not able to reproduce the problem on your system,but want to take a look at it, I have attached two .png files generated on my Linux machine:
SimpleGeneratedByLilypond.png was generated adding the --png option to the lilypond command line given in my first mail and simpleConvertedByImageMagick.png which was generated using this command: convert -density 600 Simple.pdf SimpleConvertedByImageMagick.png where the .pdf was of course generated by lilypond. The high resolution .png shows the effect with high precision. Markus
<<attachment: SimpleConvertedByImageMagick.png>>
<<attachment: SimpleGeneratedByLilypond.png>>
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