bugGNU Octave - Bugs: bug #50079, coincident line disappears in PDF

 
 

bug #50079: coincident line disappears in PDF

Submitter:  Michael Godfrey <godfrey>
Submitted:  Wed 18 Jan 2017 07:50:57 PM UTC
   
 
Category:  Plotting with OpenGL Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  Invalid / Not an Octave Bug Assigned to:  None
Originator Name:  Godfrey Open/Closed:  * Closed
Release:  * dev Operating System:  * GNU/Linux
Fixed Release:  None Planned Release:  None
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Thu 19 Jan 2017 12:21:58 AM UTC, comment #5: 

Closing as invalid as per OP's request.

Markus Mützel <mmuetzel>
Group administrator
Wed 18 Jan 2017 11:13:19 PM UTC, comment #4: 

Just to add one last note in case anyone is interested. I was
using okular to view the PDF.Switching to evince had the effect
that the blue lines were more visible.

Michael Godfrey <godfrey>
Group Member
Wed 18 Jan 2017 11:05:57 PM UTC, comment #3: 

I looked at this a bit more and discovered what is happening:
The problem is with the rendering of the PDF. My plot is
actually 6 subplots (2x3). If I zoom in enough the color shows
up. The color that I was using was blue, which did not help
make it more obvious.

So, time to close this report. Sorry for the bother.

Michael Godfrey <godfrey>
Group Member
Wed 18 Jan 2017 10:22:45 PM UTC, comment #2: 

I was hoping that a simple example might show the problem.
The case that fails for me is within a set of scripts that
generate a series of plots for a paper. I will try to extract
a simple example, but this may not to possible right away.

I just notice that the current gl2ps on Fedora 25 (with latest
updates) is gl2ps.x86_64 1.3.9-2.fc24. Is may not be
the "latest."

Michael Godfrey <godfrey>
Group Member
Wed 18 Jan 2017 09:33:03 PM UTC, comment #1: 

Hi,

Can you please provide code to reproduce the bug. I tried this


axes ("ylim", [2 3]);
hold all;
grid on;
plot (1:2, [2.2 2.2])
plot (1:2, [2.8 2.8], "linewidth", 3)
print /tmp/toto.pdf


and obtain the attached pdf with both lines visible. I am using the latest default tip (and the latest version of gl2ps in case this may be relevant).

(file #39505)

Pantxo Diribarne <pantxo>
Group Member
Wed 18 Jan 2017 07:50:57 PM UTC, original submission:  

HG ID for this build is "7c7a61c2e0ed"
In this build a plot which has a line drawn coincident (on top of)
a grid line appears on the screen. However, the line does not
appear in the PDF output.
Using version 4.0.3 (Fedora release) the line does not appear either on screen nor PDF.

Michael Godfrey <godfrey>
Group Member

 

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Attach Files:
   
   
Comment:
   

Attached Files
file #39505:  toto.pdf added by pantxo (3KiB - application/pdf)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-01-19 mmuetzel StatusWorks For Me Invalid / Not an Octave Bug
        Open/ClosedOpen Closed
    2017-01-18 pantxo Attached File- Added toto.pdf, #39505
        StatusNone Works For Me

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