Traceback (most recent call last):
File "<pyshell#27>", line 1, in <module>
plot(cl)
File "C:\Python26\lib\site-packages\igraph\drawing.py", line 762, in plot
result = Plot(target, bbox)
File "C:\Python26\lib\site-packages\igraph\drawing.py", line 222, in __init__
self._surface_was_created=not isinstance(target, cairo.Surface)
File "C:\Python26\lib\site-packages\igraph\drawing.py", line 51, in __getattr__
raise TypeError, "plotting not available"
TypeError: plotting not available
also i want to ask how can i learn which node belong to which cluster and cluster count from dentogram object ?