426.sagews

import urllib
from xml.dom import minidom

url = 'http://cell.electrostallion.com/images/sample.xml'
doc = minidom.parse(urllib.urlopen(url))
    
#doc = minidom.parse('/Volumes/home/Applications/FD1097E2-B8D9-47D9-9910-3F9#AE7/Documents/2009-03-19_132739.xml')

S = [] 

for a in doc.childNodes:
    
     for b in a.childNodes:  
        if b.nodeName == "samples":
            for c in b.childNodes:
                if c.nodeName == "sample":  
                    x = float(c.childNodes[3].firstChild.data)
                    y = float(c.childNodes[1].firstChild.data)
                    S.append((x,y)) 

                                
Sp = list_plot(S,rgbcolor=(.5,.5,.5)) 


show (Sp, figsize=[10,5])