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[Octave-bug-tracker] [bug #49194] Surface color incorrect under gnuplot

From: Mike Miller
Subject: [Octave-bug-tracker] [bug #49194] Surface color incorrect under gnuplot 4.4.0
Date: Thu, 6 Oct 2016 00:13:28 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0

Follow-up Comment #7, bug #49194 (project octave):

I get a slightly better looking plot with this change applied, but I now get
the following error messages printed to the terminal:

>> graphics_toolkit gnuplot
>> demo waterfall 1
waterfall example 1:
 colormap ("default");
 Z = peaks ();
 waterfall (Z);
 title ("waterfall() plot of peaks() function");

gnuplot> if (GPVAL_TERM eq "qt") {set obj 1 rectangle from screen 0,0 to
screen 1,1 behind fc rgb "#ffffff" fs solid noborder}
         line 0: invalid complex constant

gnuplot> unset obj 1;
         line 0: object not found

These messages did not appear before, when the surface had a yellow
background. Now there is no yellow, but the surface is transparent instead of
opaque as it is under gnuplot 4.6 or 5.


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