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Update venn.py #2

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43 changes: 29 additions & 14 deletions venn.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,18 +14,36 @@ def venn(data, names=None, fill="number", show_names=True, show_plot=True, **kwd
fill = ["number"|"logic"|"both"], fill with number, logic label, or both
show_names = [True|False]
show_plot = [True|False]

kwds
colors: colors of the ellipses/circles in the Venn
figname: name of the outputfile. Recommended to save as svg.
figsize: size of the output figure
"""

if data is None:
raise Exception("No data!")

fig = None
ax = None

if len(data) == 2:
venn2(data, names, fill, show_names, show_plot, **kwds)
fig, ax = venn2(data, names, fill, show_names, **kwds)
elif len(data) == 3:
venn3(data, names, fill, show_names, show_plot, **kwds)
fig, ax = venn3(data, names, fill, show_names, **kwds)
elif len(data) == 4:
venn4(data, names, fill, show_names, show_plot, **kwds)
fig, ax = venn4(data, names, fill, show_names, **kwds)
else:
raise Exception("currently only 2-4 sets venn diagrams are supported")

if 'figname' in kwds:
pylab.savefig(kwds['figname'])

if show_plot:
pylab.show()




#--------------------------------------------------------------------
def get_labels(data, fill="number"):
Expand Down Expand Up @@ -81,7 +99,7 @@ def get_labels(data, fill="number"):
return labels

#--------------------------------------------------------------------
def venn2(data=None, names=None, fill="number", show_names=True, show_plot=True, **kwds):
def venn2(data=None, names=None, fill="number", show_names=True, **kwds):

if (data is None) or len(data) != 2:
raise Exception("length of data should be 2!")
Expand Down Expand Up @@ -131,12 +149,11 @@ def venn2(data=None, names=None, fill="number", show_names=True, show_plot=True,

leg = ax.legend(names, loc='best', fancybox=True)
leg.get_frame().set_alpha(0.5)

if show_plot:
pylab.show()

return fig, ax

#--------------------------------------------------------------------
def venn3(data=None, names=None, fill="number", show_names=True, show_plot=True, **kwds):
def venn3(data=None, names=None, fill="number", show_names=True, **kwds):

if (data is None) or len(data) != 3:
raise Exception("length of data should be 3!")
Expand Down Expand Up @@ -195,11 +212,10 @@ def venn3(data=None, names=None, fill="number", show_names=True, show_plot=True,
leg = ax.legend(names, loc='best', fancybox=True)
leg.get_frame().set_alpha(0.5)

if show_plot:
pylab.show()
return fig, ax

#--------------------------------------------------------------------
def venn4(data=None, names=None, fill="number", show_names=True, show_plot=True, **kwds):
def venn4(data=None, names=None, fill="number", show_names=True, **kwds):

if (data is None) or len(data) != 4:
raise Exception("length of data should be 4!")
Expand Down Expand Up @@ -266,8 +282,7 @@ def venn4(data=None, names=None, fill="number", show_names=True, show_plot=True,
leg = ax.legend(names, loc='best', fancybox=True)
leg.get_frame().set_alpha(0.5)

if show_plot:
pylab.show()
return fig, ax

#--------------------------------------------------------------------
def test():
Expand All @@ -279,7 +294,7 @@ def test():
venn([range(10), range(5,15)])
venn([range(10), range(5,15)], ["aaaa", "bbbb"], fill="logic", show_names=False)
# venn4()
venn([range(10), range(5,15), range(3,8), range(4,9)], ["aaaa", "bbbb", "cccc", "dddd"], figsize=(12,12))
venn([range(10), range(5,15), range(3,8), range(4,9)], ["aaaa", "bbbb", "cccc", "dddd"], figsize=(12,12), figname='venn4_test.svg')

#--------------------------------------------------------------------
if __name__ == '__main__':
Expand Down