gnuplot.py - plotting time vs distance graph - multiple lines

Question

How can I plot an x vs y graph in gnuplot.py? For example, this is what I want: http://www.mathwarehouse.com//graphs/distance-vs-time/images/distance-vs-time-graph-picture4.jpg

I want multiple lines.

My code:

import Gnuplot

g = Gnuplot.Gnuplot(debug=1)
g.title('A simple example') # (optional)
g('set data style linespoints') # give gnuplot an arbitrary command
g.title('Data can be computed by python or gnuplot')
g.xlabel('x')
g.ylabel('y')
one = ([0, 1], [2, 3], [5, 5])
g.plot(one)
raw_input()

Output: http://gyazo.com/ba9fb6d6762c864758a7b494d44d384f

Only has one line. If I try to plot another, nothing will happen.

DragonHu · Accepted Answer · 2014-12-01 08:47:32Z

2

Just add other data sets in you code

two=([6,4], [7,5], [8,3])
three=([0,2], [2,1], [5,6], [6,5], [7,7], [8,4])

and finally plot the three data sets by

g.plot(one, two, three)

Here is my output: enter image description here

answered Dec 1, 2014 at 8:47

DragonHu

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Comments

K.S. · Accepted Answer · 2015-03-06 02:19:54Z

0

In the newer versions (>4.4?) of gnuplot, if you use:

g('set data style linespoints')

like in the original post, you'll get an error:

line 0: Unrecognized option. See 'help set'.

In stead, use:

g('set style data lines')

answered Mar 6, 2015 at 2:19

K.S.

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