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background color of printed figures

From: Torsten Lange
Subject: background color of printed figures
Date: Fri, 1 Apr 2011 12:32:31 +0200
User-agent: KMail/1.10.3 (Linux/; KDE/4.1.3; x86_64; ; )


Can I change somehow the background color when printing to png-format? I plot 
a my graphs using the loop variable (<=6) for colors. When i=6 then the symbol 
color is white, which is ok for the plots (grey background) but not for the 
png-prints where background is white.

I have to print 100s of raw figures for visual evaluation. No need for high 

GNU Octave, version 3.0.2
used print command is:
print -dpng "file.png"

Thanks, Torsten

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