[Octave-bug-tracker] [bug #42575] gnuplot error on "demo pie3"

[H. G.]

URL:
  <http://savannah.gnu.org/bugs/?42575>

                 Summary: gnuplot error on "demo pie3"
                 Project: GNU Octave
            Submitted by: hardy
            Submitted on: Di 17 Jun 2014 11:57:58 GMT
                Category: Plotting with gnuplot
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.1
        Operating System: GNU/Linux

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Details:

Here is how to reproduce the behavior:


graphics_toolkit('gnuplot');
demo pie3


Instead of some nice 3d pie charts I only get an error message:


1>> demo pie3
pie3 example 1:
 clf;
 pie3 ([5:-1:1], [0, 0, 1, 0, 0]);
 colormap ([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]);
 title ('pie3() with exploded wedge');

error: __go_draw_axes__: gnuplot (as of v4.2) only supports 3-D filled
triangular patches
error: called from:
error:   /opt/octave-3.8.1/scripts/plot/util/private/__go_draw_axes__.m at
line 655, column 18
error:   /opt/octave-3.8.1/scripts/plot/util/private/__go_draw_figure__.m at
line 172, column 17
error:   /opt/octave-3.8.1/scripts/plot/util/__gnuplot_drawnow__.m at line 86,
column 5
error: input: reading user-input failed!
error:   /opt/octave-3.8.1/scripts/testfun/demo.m at line 124, column 7


This only happens with gnuplot. Fltk plots seem to be fine.

This happened with the octave release 3.8.1 as well as the current pre-release
3.8.2-rc1 under Ubuntu Linux. I don't know if it happens under Windows as
well.

I use Gnuplot 4.6.1-1 (package 4.6.1-1~precise1 from the standard repository
of Ubuntu 12.04).




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