On Thu, Feb 14, 2008 at 5:26 AM, sa6113 <[EMAIL PROTECTED]> wrote:
> I want to draw an xy-plot using the " Backend Agg " of matplotlib.
> But I don't know how I must start ...
>
> Would you plz help me or send me an example code ??
import numpy as np
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
x, y = np.random.rand(2,100)
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(x, y, marker='o', linestyle='', markerfacecolor='green')
ax.set_title('Some random dots')
ax.set_xlabel('x')
ax.set_ylabel('y')
ax.grid(True)
fig.savefig('myplot.png', dpi=100)
plt.show()
If you want a figure window to popup, you can
"matplotlib.use('TkAgg')" instead of Agg.
See also
- Tutorial: http://matplotlib.sf.net/tutorial.html
- User's Guide: http://matplotlib.sourceforge.net/users_guide_0.91.2svn.pdf
- Examples: http://matplotlib.sourceforge.net/examples
- Examples with screenshots:
http://matplotlib.sourceforge.net/screenshots.html
Hope this helps,
JDH
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