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From: Ingo Thies <ingo.thies@gmx.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Filledcurves fails with datafile instead of function
Date: Tue, 01 Sep 2015 17:27:58 +0200
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Dear all,

since the update from 5.0.0 to 5.0.1 (Mac OS-X 10.10, Fink) plotting
with filledcurves fails with data file while it continues to work with
functions. Maybe there is a trick which I didn't recognize yet.

Sample script:

f(x)=-(x-5.)**2+6 # some function giving an arc-like curve
set xrange [0:10]
set yrange [0:7]

## Works with function
plot f(x) notitle w filledcurves below y=7. lc rgb "blue",\
     f(x) t 'f(x)' w l lc rgb "#ff0000"

pause -1
##fails with data
plot 'test.dat' u 1:2 notitle w filledcurves below y=7. lc rgb "blue",\
     'test.dat' t 'file' w l lc rgb "#ff0000"

Let test.dat contain this peak-like data points

0.	0.
2.	1.
4.	4.
6.	6.
8.	3.
10.	0.

Best wishes,

Ingo