Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail From: sfeam Newsgroups: comp.graphics.apps.gnuplot Subject: Re: pattern artifacts in pdf and eps Followup-To: comp.graphics.apps.gnuplot Date: Thu, 13 Oct 2011 11:07:34 -0700 Organization: gnuplot development team Lines: 24 Message-ID: References: <487809e4-8a3f-4e39-bd3e-673f540ffb21@f11g2000yqf.googlegroups.com> Reply-To: sfeam@users.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7Bit Injection-Date: Thu, 13 Oct 2011 18:07:36 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="joalffpZlyHxFtpFd/PRrw"; logging-data="12516"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+72XUdzEmYLaow4nFSnvcn" User-Agent: KNode/4.4.9 Cancel-Lock: sha1:XLDhGhYKMhUshJ/P0f9E1zLfg6w= Xref: x330-a1.tempe.blueboxinc.net comp.graphics.apps.gnuplot:645 Don wrote: > I use the filledcurves option in plot with gnuplot 4.4.3 for windows > 32 under windows XP. As term I use eps or pdf (also tried pdfcairo) as > I want to include figures into pdflatex. I want to include the figures > in a paper, so they should be neat. > On screen the resultant graphics show strong artifacts, namely white > or black lines along edges of "tiles". > I found in some forums the hint that this are probably anti-aliasing > artifacts of the ps-viewer (gv 3.6.5 under cygwin) or the pdf-viewer > (tried acrobat reader 9.3, foxit 3.2, sumatra 1.8). Using gv with - > noantialias nearly removes the artifacts on screen, although I can > still make out the white lines. They are also present on the printout > (on a Kyocera PCL XL with 600 dpi). At a guess, the output to your Kyocera is prepared by ghostscript. So it's the same ghostscript anti-aliasing bug. > With pdf output things are even worse. The pattern-fill in pdfcairo is not entirely satisfactory, again due to flaws in an external tool. It has gotten better in libcairo 1.10, but still could be improved. There will be a partial workaround in gnuplot version 4.4.4