bugGNU Octave - Bugs: bug #58002, [MXE Octave] DEBUG: FC_WEIGHT...

 
 

bug #58002: [MXE Octave] DEBUG: FC_WEIGHT didn't match

Submitted by:  Ian McCallion <ianmcc>
Submitted on:  Mon 16 Mar 2020 07:05:44 PM UTC  
 
Category:  Plotting with gnuplot Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Regression
Status:  Confirmed Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  dev Operating System:  Microsoft Windows

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Fri 20 Mar 2020 12:03:23 PM UTC, comment #3: 

Was also in 5.1.0

>> version
ans = 5.1.0
>> system("gs --version")
9.26
ans = 0
>> test_gs
Plot a graph using gnuplot
DEBUG: FC_WEIGHT didn't match
Elapsed time is 1.33492 seconds.
Graph plotted
>>

John Donoghue <lostbard>
Project Member
Wed 18 Mar 2020 02:21:32 PM UTC, comment #2: 

I have attached a comment to this ghostscript bug report: https://forum.manjaro.org/t/ghostscript-problem-april-2019/81385/21.

Ian McCallion <ianmcc>
Wed 18 Mar 2020 01:43:33 PM UTC, comment #1: 

Afaiu, that is a bogus warning when ghostscript uses fontconfig to enumerate the installed fonts.
I don't understand ghostscript or fontconfig good enough to know what has to be done to avoid or suppress this warning.

Markus M├╝tzel <mmuetzel>
Project Member
Mon 16 Mar 2020 07:05:44 PM UTC, original submission:  

This warning message occurs under some conditions when plotting. The problem started in 5.2.0 but did not occur in 4.4.1.

This code exhibits the problem:

tic()
graphics_toolkit('gnuplot');
figure(1, 'visible', 'off')
fprintf('Plot a graph using %s\n', graphics_toolkit )
myfont={'fontsize',25,'fontweight','bold'};
mygraphs={'-dpng','-S800,800'};
mywidegraphs={'-dpng','-S1800,800'};
set(0, 'defaulttextfontsize', 25)
xrange = 1:10;
ssd=xrange.+rand(1,10);
plot(xrange, [ssd; mean(ssd)*ones(1,10)], 'Linewidth',2);
legend('Actual','Average over touch')
axis([0, xrange(end)+2, min(ssd)-5, 5+max(10,max(ssd))])
xlabel('Row number', myfont{:})
ylabel('Milliseconds', myfont{:})
title('Standard Deviation (Touch only)', myfont{:})
grid ('on')
print (1, [graphics_toolkit, '1.png'], mywidegraphs{:})
toc()
fprintf('Graph plotted\n')

Ian McCallion <ianmcc>

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-03-18 mmuetzel StatusNone => Confirmed
        Release5.2.0 => dev
        SummaryDEBUG: FC_WEIGHT didn't match => [MXE Octave] DEBUG: FC_WEIGHT didn't match

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