bugGNU Octave - Bugs: bug #36926, gnuplot: bad color setting using...

 
 

bug #36926: gnuplot: bad color setting using "line" or "-" in plot3

Submitter:  Gastón Araguás <garaguas>
Submitted:  Mon 23 Jul 2012 06:23:41 PM UTC
   
 
Category:  Plotting with gnuplot Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  Fixed Assigned to:  None
Originator Name:  garaguas Open/Closed:  * Closed
Release:  * 3.6.2 Operating System:  * GNU/Linux
Fixed Release:  None Planned Release:  None
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Tue 30 Dec 2014 02:15:03 AM UTC, comment #7: 

Fixed in this changeset http://hg.savannah.gnu.org/hgweb/octave/rev/9552138fe6f5.  This is on the development branch of Octave stored with Mercurial.  The original reporter will need to build Octave from source code or wait until the 4.2 release to see the fix.

Rik <rik5>
Group administrator
Mon 29 Dec 2014 09:58:31 PM UTC, comment #6: 

Hi,

see a comemnt in bug 39585

Avinoam

Avinoam Kalma <avinoam>
Group Member
Sun 28 Dec 2014 03:19:21 PM UTC, comment #5: 

This bug is still present on the development branch (12/28/14).  I find that even simpler code can illustrate the problem.


plot3([1:10],[1:10],[1:10], "b")


This should be a blue line but is red.

Rik <rik5>
Group administrator
Mon 23 Jul 2012 08:40:00 PM UTC, comment #4: 

It appears to work correctly with older versions of gnuplot.

Versions:
octave 3.6.2
gnuplot 4.4.0

Rik <rik5>
Group administrator
Mon 23 Jul 2012 07:22:08 PM UTC, comment #3: 

tested: using the OpenGL+FLTK graphics in my Debian works correctly, but not with gnuplot.

versions:
octave 3.6.2
gnuplot 4.6.0
fltk 1.3.0

Gastón Araguás <garaguas>
Mon 23 Jul 2012 06:59:17 PM UTC, comment #2: 

Your plot3 example seems to work correctly for me with the current development sources using the OpenGL+FLTK graphics, but not with gnuplot, which consistently displays a red line with blue circles.

John W. Eaton <jwe>
Group administrator
Mon 23 Jul 2012 06:51:35 PM UTC, comment #1: 

Apparently this problem only happens on some systems. I can confirm this bug in archlinux on both 3.6.2 and ea6997657614. However, several people on IRC did not experience the bug.

Max Brister <fisheater>
Mon 23 Jul 2012 06:23:41 PM UTC, original submission:  

plot3 gives incorrect line colors, plotting 

plot3([1:10],[1:10],[1:10], "-ob")

I get a blue circle but a red line.

Plotting two lines the second color will be blue, and the third one will be magenta, and the fourth orange (i think), then red comes again.

Apperently the issue is still present in 3.7.0, using both gnuplot and fltk (it was testted by irc users, not me directly).

Gastón

Gastón Araguás <garaguas>

 

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    Follow 9 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2014-12-30 rik5 StatusConfirmed Fixed
        Open/ClosedOpen Closed
    2014-12-28 avinoam Carbon-Copy- Added avinoam
    2014-12-28 rik5 Dependencies- bugs #39585 is dependent
    2014-12-28 rik5 Summarybad color setting using &quot;line&quot; or &quot;-&quot; in plot3 gnuplot: bad color setting using "line" or "-" in plot3
    2014-12-28 rik5 StatusNone Confirmed
        Carbon-Copy- Added bpabbott
    2012-07-23 jwe CategoryPlotting Plotting with gnuplot
    2012-07-23 garaguas Carbon-Copy- Added garaguas

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