[Octave-bug-tracker] [bug #48484] gnuplot: printing figure into file results in mostly black image (Windows)

[Hartmut]

Follow-up Comment #4, bug #48484 (project octave):

I have re-done this on the Windows 7 machine where I originally observed this
bug.

Test script 1 (uses Octave 4.0.3 with built-in gnuplot)

clear, close all
graphics_toolkit gnuplot 
plot(1:10)
print('test_gnuplot_win_octave403.png')
print('test_gnuplot_win_octave403.eps')


The resulting two image files have both a huge black box instead of the
plotted line. I will attach the files to this comment, the filenames have
"_gnuplot_" in them.

Test script 2 (uses Octave 4.0.3 with seperate installation of gnuplot 4.6.7
for 32bit Windows from gnuplot.info website)


gnuplot_binary('C:\Program Files (x86)\gnuplot\bin\gnuplot.exe') 
clear, close all;
graphics_toolkit gnuplot
plot(1:10)
print('test_gnuplot467_win_octave403.png')
print('test_gnuplot467_win_octave403.eps')


The resulting two image files look fine. I will also attach those two files.
They have "_gnuplot467_" in their file name.

Conclusions: 
* This bug seems to also be connected to the gnuplot version used in the
current mxe-octave.
* This bug only happens on special Windows 7 machines. (2 Win PCs worked fine,
1 showed this bug, so far) The difference is unclear to me.

Does anyone have hints or ideas what to test to further nail down where the
problem comes from and how to remove it?


(file #37847, file #37848, file #37849, file #37850)
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Additional Item Attachment:

File name: test_gnuplot_win_octave403.png Size:7 KB
File name: test_gnuplot_win_octave403.eps Size:22 KB
File name: test_gnuplot467_win_octave403.png Size:12 KB
File name: test_gnuplot467_win_octave403.eps Size:20 KB


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