Plotting Graphs using Gnuplot
Helmut Jarausch
jarausch at igpm.rwth-aachen.de
Fri Jun 13 03:51:38 EDT 2008
arslanburney at gmail.com wrote:
> Hello. Was trying to create a simple plotting function. Wasnt working
> however. If i write the same code without putting it inside a function
> it works. :S. Could some1 tell me the problem? Heres the code:
>
>
> # File name Plotting2
>
> import Gnuplot
>
> def plot(original, expected, actual):
>
>
> if type (original) != type([]):
> return False
>
> else:
>
> gp = Gnuplot.Gnuplot()
Replace this by (from
http://wiki.aims.ac.za/mediawiki/index.php/Python:Gnuplot_module
)
gp = Gnuplot.Gnuplot(persist=1)
> gp('set data style lines')
>
>
> # Make the plot items
> plot1 = Gnuplot.PlotItems.Data(original, title="Original")
> plot2 = Gnuplot.PlotItems.Data(expected, title="Expected")
> plot3 = Gnuplot.PlotItems.Data(actual, title="Acutal")
>
>
> return gp.plot(plot1, plot2, plot3)
>
>
> ----
>
> import Plotting2 #The name of my file...
>
> Plotting2.plot( [(2,3), (3,4)], [(4,5), (5,6)], [(1,3), (4,8)] )
--
Helmut Jarausch
Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany
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