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 ()
gp('set data style lines')
# Make the plot items
plot1 = Gnuplot.PlotIte ms.Data(origina l, title="Original ")
plot2 = Gnuplot.PlotIte ms.Data(expecte d, title="Expected ")
plot3 = Gnuplot.PlotIte ms.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)] ) 3 6189
On Jun 12, 12:30 pm, arslanbur...@gm ail.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 ()
gp('set data style lines')
# Make the plot items
plot1 = Gnuplot.PlotIte ms.Data(origina l, title="Original ")
plot2 = Gnuplot.PlotIte ms.Data(expecte d, title="Expected ")
plot3 = Gnuplot.PlotIte ms.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)] )
I've no idea about the answer to your question (I don't know how the
Gnuplot module works and I can't *see* anything obviously wrong with
your code), but this line:
if type (original) != type([])
is better written:
if not isinstance(orig inal, list):
Michael Foord http://www.ironpythoninaction.com/ ar**********@gm ail.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?
Judging from the demo you have to keep a Gnuplot.Gnuplot instance alive. If
you don't, the display window is immediately garbage-collected.
Heres the code:
# File name Plotting2
import Gnuplot
def plot(original, expected, actual):
if type (original) != type([]):
return False
else:
gp = Gnuplot.Gnuplot ()
gp('set data style lines')
# Make the plot items
plot1 = Gnuplot.PlotIte ms.Data(origina l, title="Original ")
plot2 = Gnuplot.PlotIte ms.Data(expecte d, title="Expected ")
plot3 = Gnuplot.PlotIte ms.Data(actual, title="Acutal")
gp.plot(plot1, plot2, plot3)
return gp
>
----
import Plotting2 #The name of my file...
gp = Plotting2.plot( [(2,3), (3,4)], [(4,5), (5,6)], [(1,3), (4,8)] )
raw_input()
By the way, I recommend that you raise an Exception instead of returning a
special value when plot() cannot deal with the arguments passed to it.
Peter ar**********@gm ail.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/ind...Gnuplot_module
)
gp = Gnuplot.Gnuplot (persist=1)
gp('set data style lines')
# Make the plot items
plot1 = Gnuplot.PlotIte ms.Data(origina l, title="Original ")
plot2 = Gnuplot.PlotIte ms.Data(expecte d, title="Expected ")
plot3 = Gnuplot.PlotIte ms.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 This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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