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[Octave-bug-tracker] [bug #58704] png plot does nor respect dpi and prod


From: Rik
Subject: [Octave-bug-tracker] [bug #58704] png plot does nor respect dpi and produces unreadable results
Date: Mon, 6 Jul 2020 19:34:12 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

Follow-up Comment #4, bug #58704 (project octave):

To the original poster, you will have better graphical results with a
vector-based format such as PostScript, Portable Document Format, or Scalable
Vector Graphics.  "EMF" is effectively a Windows-format and, although Octave
tries to support it, results are not always that good because Octave is based
on UNIX tools rather than native Windows libraries (whereas Matlab seems to
have gone the other way and is now developed on Windows, and ported to UNIX). 
In particular, a good path might be to export to SVG and then touch up any
inconsistencies with a WYSIWYG editor such as Inkscape.

Second, the next version of Octave (6.1.0) already resolves a number of these
issues.  It is annoying that users keep tripping over the same bugs that have
been solved, but there is a developer meeting tomorrow and hopefully we can
pick a release date.

Third, Matlab does not support the '-S' option so just ignore it entirely for
the moment.  Can you not produce a graphic which has the correct size and
resolution by using a combination of the figure paper properties and the -r
option of print?  If there is an example where this occurs that should be
resolved.

    _______________________________________________________

Reply to this item at:

  <https://savannah.gnu.org/bugs/?58704>

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