On Fri, Jun 27, 2008 at 2:56 PM, Angus McMorland <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I sometimes find myself wanting to plot a series of lines using
> axhline or axvline. Is there a mechanism to do this that I'm missing,
> or would it be difficult to support the positional parameter being an
> array of values at which to draw each line?
>
You could use a line collection with the right transform
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.transforms as mtransforms
import matplotlib.collections as collections
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plot(range(10))
trans = mtransforms.blended_transform_factory(
ax.axes.transData, ax.axes.transAxes)
coll = collections.LineCollection([((x, 0), (x, 1)) for x in
10*np.random.rand(20)],
transform=trans, color='red', lw=2, alpha=0.5)
ax.add_collection(coll)
plt.show()
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