bugGNU Octave - Bugs: bug #54268, Plot: X Axis is shifted up out of...


bug #54268: Plot: X Axis is shifted up out of values range on the plot on Windows 10

Submitted by:  None
Submitted on:  Sun 08 Jul 2018 01:08:44 PM UTC  
Category:  Plotting Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  Works For Me Assigned to:  None
Originator Name:  Originator Email:  -email is unavailable-
Open/Closed:  Closed Release:  4.4.0
Operating System:  Microsoft Windows

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Mon 16 Jul 2018 08:37:42 AM UTC, comment #4:

Seems like I confused you: each data row has format which I showed you, but data value is different, not the same (not single point). I'll try to attach full data file here.

Sun 15 Jul 2018 05:35:40 AM UTC, comment #3:

I can't reproduce this. I made a file data.txt as you suggest that has 10 identical rows with the one line of data you suggested. I've attached it for reference in case it helps. I also took the code you posted and made an m-file out of it which is also attached.

When I run your code it plots just a single point, because everything has the same x,y value.

I can't reproduce this. Closing report.

(file #44557, file #44558)

Rik <rik5>
Project Administrator
Sat 14 Jul 2018 04:09:29 PM UTC, comment #2:

The code is below. I checked again, issue is reproduced. Each row of data set looks like "34.62365962451796,78.0246928153426,0".

>> data = load('data.txt');
>> X = data(:, [1, 2]); y = data(:, 3);
>> pos = find(y == 1); neg = find(y == 0);
>> plot(X(pos, 1), X(pos, 2), "+k", X(neg, 1), X(neg, 2), "ok", "MarkerFaceColor", "y", "MarkerSize", 7, "LineWidth", 2);

Mon 09 Jul 2018 08:15:35 PM UTC, comment #1:

Can you post the code that leads to the bad plot so we can attempt to replicate the issue.

Rik <rik5>
Project Administrator
Sun 08 Jul 2018 01:08:44 PM UTC, original submission:

Plotting on Windows 10 works unexpectedly: you can see in attachment that X axis is shifted up on some delta value upper than Y minimum.

Also you can see that I pointed mouse cursor on the real point (~30, ~31); mouse pointer is invisible on print screen; but the axis corner does not coincide with expected coordinates (~30, ~31).

Thank you!



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Attach Files:

Attached Files
file #44557:  data.txt added by rik5 (407B - text/plain)
file #44558:  bug54268.m added by rik5 (221B - text/x-matlab)
file #44521:  OctavePlotWin10Bug.png added by None (18KiB - image/png - Invalid axis on the plot)


Depends on the following items: None found

Items that depend on this one: None found


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    Follow 6 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-07-15 rik5 Open/ClosedOpen => Closed
    2018-07-15 rik5 Attached File- => Added data.txt, #44557
        Attached File- => Added bug54268.m, #44558
        StatusNeed Info => Works For Me
    2018-07-09 rik5 StatusNone => Need Info
    2018-07-08 None Attached File- => Added OctavePlotWin10Bug.png, #44521

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