bugGNU Octave - Bugs: bug #38152, 3d plot of sphere appears squashed...


bug #38152: 3d plot of sphere appears squashed with "axis square equal"

Submitted by:  John W. Eaton <jwe>
Submitted on:  Wed 23 Jan 2013 06:40:08 PM UTC  
Category: Plotting with gnuplotSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Incorrect Result
Status: FixedAssigned to: None
Originator Name: Open/Closed: Closed
Release: devOperating System: Any

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Wed 08 Jun 2016 06:55:54 PM UTC, comment #5:

Yes, I've been working with Dan Sebald to improve the gnuplot backend. I'm marking this bug as fixed and closing.

Rik <rik5>
Project Administrator
Wed 08 Jun 2016 06:28:26 PM UTC, comment #4:

Checking with dev branch, it seems that this bug was fixed,
though the sphere is a little bit small.

Avinoam Kalma <avinoam>
Project Member
Mon 29 Feb 2016 12:48:34 AM UTC, comment #3:

I tried the patch from Avinoam in comment #1 and the sphere still appears squashed in gnuplot 5.0.1.

Rik <rik5>
Project Administrator
Sun 28 Feb 2016 04:24:10 PM UTC, comment #2:

jwe's flattened sphere is confirmed with a recent development tip (2/28/16). This is with gnuplot 4.6.6 and gnuplot 5.0.1.

Rik <rik5>
Project Administrator
Wed 28 Jan 2015 08:38:58 PM UTC, comment #1:

First step towards the solution.

It gives a better plot, but it gives the same treatment for "axis square" & "axis equal"

1. differetiate between "axis square" & "axis equal"
2. adjust _actual_axis_position_ (h) for 3D plot

(file #32930)

Avinoam Kalma <avinoam>
Project Member
Wed 23 Jan 2013 06:40:08 PM UTC, original submission:

I expect the following code to plot a sphere. With the fltk+opengl graphics toolkit, it appears spherical, but with gnuplot, it appears squashed in the Z dimension. I'm using gnuplot 4.6 patchlevel 0.

John W. Eaton <jwe>
Project Administrator


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

Attach File(s):

Attached Files
file #32930:  __go_draw_axes__.patch added by avinoam (602B - application/octet-stream)


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by rik5 (Posted a comment)
  • -unavailable- added by avinoam (Updated the item)
  • -unavailable- added by jwe (Submitted the item)

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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed 08 Jun 2016 06:55:54 PM UTCrik5StatusConfirmed=>Fixed
    Sun 28 Feb 2016 04:24:10 PM UTCrik5StatusNone=>Confirmed
    Wed 28 Jan 2015 08:38:58 PM UTCavinoamAttached File-=>Added _go_draw_axes_.patch, #32930

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