How about this solution? I'm a complete newbe, but this seems to do the trick.
I didn't see a CircleCollection so I used CirclePolygon to generate vertices
for a circle; these I grab and toss into a PolyCollection. Enjoy, Dave
import matplotlib
from matplotlib.patches import CirclePolygon from matplotlib.collections import
PolyCollection import pylab
fig=pylab.figure()
ax=fig.add_subplot(111)
N = 20
x = pylab.rand(N)
y = pylab.rand(N)
radii = 0.1*pylab.rand(N)
colors = 100*pylab.rand(N)
verts = []
for x1,y1,r in zip(x, y, radii):
circle = CirclePolygon((x1,y1), r)
verts.append(circle.get_verts())
p = PolyCollection(verts, cmap=matplotlib.cm.jet)
p.set_array(pylab.array(colors))
ax.add_patch(p)
pylab.colorbar(p)
ax.axis('equal')
pylab.show()
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jouni K. Seppänen
Sent: Wednesday, September 19, 2007 11:03 AM
To: [email protected]
Subject: Re: [Matplotlib-users] Drawing filled circles (discs)
sidimok <[EMAIL PROTECTED]> writes:
> Well, let's take the one you've proposed the last time. How than can i
> put a colorbar beside the plot?
Add in the imports
from matplotlib.colorbar import ColorbarBase, make_axes
and change the myscatter function to
def myscatter(ax, colormap, x, y, radii, colors):
for x1,y1,r,c in zip(x, y, radii, colormap(colors)):
ax.add_patch(Circle((x1,y1), r, fc=c))
cax, _ = make_axes(ax)
ColorbarBase(cax, cmap=colormap)
A better solution is probably to implement a CircleCollection similarly to the
other collections.
--
Jouni K. Seppänen
http://www.iki.fi/jks
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