bugGNU Octave - Bugs: bug #48832, gnuplot 4.6 produces monochrome...

 
 

bug #48832: gnuplot 4.6 produces monochrome prints

Submitter:  Andreas Weber <andy1978>
Submitted:  Sat 20 Aug 2016 08:21:16 AM UTC
 
Category:  Plotting with gnuplot Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Regression
Status:  Fixed Assigned to:  None
Originator Name:  Open/Closed:  * Closed
Release:  * dev Operating System:  * GNU/Linux
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Sat 27 Aug 2016 09:46:43 PM UTC, comment #6: 

I've checked 52c205a0ad88 and the issue seems fixed.
Also updated http://josoansi.de/octave_plot_compare/compare_plot_demos_01.html

Closing as fixed

Andreas Weber <andy1978>
Project Member
Wed 24 Aug 2016 03:38:52 AM UTC, comment #5: 

Since it seems like an easy fix, I lowered the gnuplot version to 4.6 in _gnuplot_has_feature_ (http://hg.savannah.gnu.org/hgweb/octave/rev/f7ff29ff2763).

Rik <rik5>
Project Administrator
Sun 21 Aug 2016 05:17:38 PM UTC, comment #4: 

I've added Dan Sebald to the CC list.  Certainly this used to work back in 4.0.3 so this is a regression.

Rik <rik5>
Project Administrator
Sun 21 Aug 2016 05:48:01 AM UTC, comment #3: 

In __gnuplot_has_feature__.m, line 52,
gnuplot's property "needs_color_with_postscript" is set to 5.0.
If I change it to 4.6, and use the command

print -dpsc out.ps

I get a color image (print out.ps still produced a gray postscript file, why?)

I think that the property "needs_color_with_postscript"  should be set to even lower gnuplot version, but I do not have 4.4 or 4.2 installed now to check

Avinoam Kalma <avinoam>
Project Member
Sun 21 Aug 2016 04:46:42 AM UTC, comment #2: 

Confirmed.  4.6 fails, 5.0.3 works.

Rik <rik5>
Project Administrator
Sat 20 Aug 2016 08:48:45 PM UTC, comment #1: 

See also bug #48033 for a much broader issue of recent changes not working with gnuplot 4 on the current default branch.

Mike Miller <mtmiller>
Project Administrator
Sat 20 Aug 2016 08:21:16 AM UTC, original submission:  

hg id 2e49ab3d6b48 somewhere lost the ability to print colored plots with gnuplot 4.6

graphics_toolkit gnuplot
plot (1:10, ";;", 1:3:10)
print out.png

produces the attached png. The plot onscreen looks fine. Mike told me on IRC, that the print is colored as usual with gnuplot 5.0.3

Andreas Weber <andy1978>
Project Member

 

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Attached Files
file #38289:  out.png added by andy1978 (21KiB - image/png)

 

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    Follow 9 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2016-08-27 andy1978 StatusReady For Test Fixed
        Open/ClosedOpen Closed
    2016-08-24 rik5 Severity4 - Important 3 - Normal
        StatusConfirmed Ready For Test
    2016-08-21 rik5 Severity3 - Normal 4 - Important
        Item GroupIncorrect Result Regression
    2016-08-21 rik5 StatusNone Confirmed
        Carbon-Copy- Added sebald
    2016-08-20 andy1978 Attached File- Added out.png, #38289

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