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: matplotlib-users@lists.sourceforge.net
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


-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) 
Visual Studio 2005.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-users

-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2005.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/matplotlib-users

Reply via email to