bugGNU Octave - Bugs: bug #53187, Will not display arrows for...

 
 

bug #53187: Will not display arrows for quiver3 in z axis

Submitted by:  None
Submitted on:  Mon 19 Feb 2018 04:11:58 PM UTC  
 
Category:  Plotting Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  Confirmed Assigned to:  None
Originator Name:  Desmond Originator Email:  -email is unavailable-
Open/Closed:  Open Release:  4.2.1
Operating System:  Microsoft Windows

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Tue 20 Feb 2018 05:56:39 AM UTC, comment #4:

Fetched image from stackoverflow and attached to this report so tha it doesn't get lost.

It appears that the Z-axis arrowhead face is set at 45 degrees to the X-Y plane which is what I wanted to know.

(file #43370)

Rik <rik5>
Project Administrator
Tue 20 Feb 2018 05:35:09 AM UTC, comment #3:

https://stackoverflow.com/questions/48838520/octave-z-axis-vector-arrowhead

Anonymous
Tue 20 Feb 2018 05:32:46 AM UTC, comment #2:

Someone tested it in Matlab when I asked on Stack Overflow. It worked as expected. I've run many versions of the code on Octave and it never shows the arrows.

Anonymous
Tue 20 Feb 2018 05:13:48 AM UTC, comment #1:

Confirmed.

What image does Matlab produce for the same example code?

Rik <rik5>
Project Administrator
Mon 19 Feb 2018 04:11:58 PM UTC, original submission:

quiver3 will not display arrowheads for vectors which exist only in the z axis (ex. <0, 0, 1>) despite set(vector, 'ShowArrowHead', 'on'). Every angle has been checked. See attached images.

Code example:

Anonymous

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:
   
   
Comment:
   

Attached Files
file #43370:  quiver3.matlab.png added by rik5 (61KiB - image/png)
file #43357:  glitch.png added by None (20KiB - image/png)
file #43358:  glitch2.png added by None (19KiB - image/png)
file #43359:  glitch3.png added by None (20KiB - image/png)
file #43360:  trial.png added by None (20KiB - image/png)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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  • -email is unavailable- added by rik5 (Posted a comment)
  • -email is unavailable- added by None (Submitted the item)
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    Follow 6 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-02-20 rik5 Attached File- => Added quiver3.matlab.png, #43370
    2018-02-20 rik5 StatusNone => Confirmed
    2018-02-19 None Attached File- => Added glitch.png, #43357
        Attached File- => Added glitch2.png, #43358
        Attached File- => Added glitch3.png, #43359
        Attached File- => Added trial.png, #43360

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