Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.graphics.apps.gnuplot > #645

Re: pattern artifacts in pdf and eps

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 <sfeam@users.sourceforge.net>
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 <j779d8$c74$1@dont-email.me> (permalink)
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

Followups directed to: comp.graphics.apps.gnuplot

Show key headers only | View raw


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

Back to comp.graphics.apps.gnuplot | Previous | NextPrevious in thread | Next in thread | Find similar


Thread

pattern artifacts in pdf and eps Don <dondonnan@googlemail.com> - 2011-10-13 03:01 -0700
  Re: pattern artifacts in pdf and eps sfeam <sfeam@users.sourceforge.net> - 2011-10-13 11:07 -0700
    Re: pattern artifacts in pdf and eps Don <dondonnan@googlemail.com> - 2011-10-17 00:58 -0700

csiph-web