example-gnuplot.py
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| 1017 B
| text/x-python
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PythonLexer
fperez
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r0 | #!/usr/bin/env python | ||
""" | ||||
Example code showing how to use Gnuplot and an embedded IPython shell. | ||||
""" | ||||
from Numeric import * | ||||
from IPython.numutils import * | ||||
from IPython.Shell import IPShellEmbed | ||||
# Arguments to start IPython shell with. Load numeric profile. | ||||
ipargs = ['-profile','numeric'] | ||||
ipshell = IPShellEmbed(ipargs) | ||||
# Compute sin(x) over the 0..2pi range at 200 points | ||||
x = frange(0,2*pi,npts=200) | ||||
y = sin(x) | ||||
# In the 'numeric' profile, IPython has an internal gnuplot instance: | ||||
g = ipshell.IP.gnuplot | ||||
# Change some defaults | ||||
g('set style data lines') | ||||
# Or also call a multi-line set of gnuplot commands on it: | ||||
g(""" | ||||
set xrange [0:pi] # Set the visible range to half the data only | ||||
set title 'Half sine' # Global gnuplot labels | ||||
set xlabel 'theta' | ||||
set ylabel 'sin(theta)' | ||||
""") | ||||
# Now start an embedded ipython. | ||||
ipshell('Starting the embedded IPyhton.\n' | ||||
'Try calling plot(x,y), or @gpc for direct access to Gnuplot"\n') | ||||
#********************** End of file <example-gnuplot.py> ********************* | ||||