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[Octave-bug-tracker] [bug #44321] Patch EdgeAlpha setting has no effect


From: Dan Sebald
Subject: [Octave-bug-tracker] [bug #44321] Patch EdgeAlpha setting has no effect for gnuplot graphics_toolkit
Date: Fri, 20 Feb 2015 07:00:59 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:18.0) Gecko/20100101 Firefox/18.0 SeaMonkey/2.15

URL:
  <http://savannah.gnu.org/bugs/?44321>

                 Summary: Patch EdgeAlpha setting has no effect for gnuplot
graphics_toolkit
                 Project: GNU Octave
            Submitted by: sebald
            Submitted on: Fri 20 Feb 2015 07:00:58 AM GMT
                Category: Plotting with gnuplot
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

The alpha setting for the edge has no effect in the gnuplot terminal.  For
example:


graphics_toolkit ("gnuplot")
figure
demo ("patch", 4);
pfid = get(gca, 'Children');
set(pfid, 'facealpha', 0.5);
set(pfid, 'edgealpha', 0.2);


See if that can be fixed so that the edge has alpha scaling, and if not try
for something that turns off the edge with


set(pfid, 'edgealpha', 0);


because it would be too difficult to make the border appear nonexistent when
attempt to match alpha blending.  One could set the color of the edge the same
as the face, but can't match alpha.  Removing the edge seems a mandatory
feature.




    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?44321>

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