bugGNU Octave - Bugs: bug #54540, polar (and derived) demos fail

 
 

bug #54540: polar (and derived) demos fail

Submitter:  Juan Pablo Carbajal <juanpi>
Submitted:  Sun 19 Aug 2018 10:59:42 PM UTC
   
 
Category:  Plotting Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Regression
Status:  Works For Me Assigned to:  None
Originator Name:  juanpi Open/Closed:  * Closed
Release:  * dev Operating System:  * Any
Fixed Release:  None Planned Release:  None
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Thu 13 Dec 2018 06:38:54 AM UTC, comment #7: 

This seems to be a bug with a particular video driver, rather than with Octave itself.  Unless it can be shown that we are not using the OpenGL API correctly, I think we have to close this bug.

Rik <rik5>
Group administrator
Fri 24 Aug 2018 10:40:06 PM UTC, comment #6: 

All demos of patch work without errors.

All demos of polar do not produce axes. Screenshot attached.

The problem always occurs in my Desktop with nvidia drivers (Ubuntu 18.04, nvidia-340.106, GeForce GTX 560 Ti).

I do not observe it in my laptop using nouveau.


Juan Pablo Carbajal <juanpi>
Group Member
Mon 20 Aug 2018 11:29:07 PM UTC, comment #5: 

The error message about _go_patch_ is likely to be the problem.  Does 'demo patch' work?  I would expect that it too fails.

Rik <rik5>
Group administrator
Mon 20 Aug 2018 06:45:32 PM UTC, comment #4: 

Also works for me with a recent dev snapshot (849f1a7e9a30) on Ubuntu 18.04.1 and Windows 10.
Which graphics toolkit are you using? Can you share a screen shot of what you are seeing? Maybe an issue with the graphics drivers?

Markus Mützel <mmuetzel>
Group administrator
Mon 20 Aug 2018 04:23:27 AM UTC, comment #3: 

It works for me also, using Octave 4.4.1 and Win-10.

Avinoam Kalma <avinoam>
Group Member
Mon 20 Aug 2018 01:50:24 AM UTC, comment #2: 

It works for me on Fedora with the latest dev snapshot (98242f7e8a0b) as well.

Dmitri.
--

Dmitri A. Sergatskov <dasergatskov>
Mon 20 Aug 2018 12:56:32 AM UTC, comment #1: 

I am on Ubuntu 18.04 and octave 4.4.1
and demo polar works perfectly for me.

Doug Stewart <dastew>
Sun 19 Aug 2018 10:59:42 PM UTC, original submission:  

Hi,

Running the dmeos of polar generates an error


> demo polar
polar example 1:
 clf;
 theta = linspace (0,2*pi,1000);
 rho = sin (7*theta);
 polar (theta, rho);
 title ("polar() plot");

polar example 1: failed
__go_patch__: unable to create graphics handle


the lineas are plotted but the axis are not there. I did not have time to triag the regression. Sorry

Juan Pablo Carbajal <juanpi>
Group Member

 

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Attached Files
file #44858:  Selection_041.png added by juanpi (61KiB - image/png)

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-12-13 rik5 Open/ClosedOpen Closed
    2018-08-24 juanpi Attached File- Added Selection_041.png, #44858
    2018-08-20 avinoam StatusNone Works For Me

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