使用matplotlib，venn3和venn3_circles在python中工作。
我试图在3个圆的维恩图中获取每个交叉点的元素列表。
我将使用示例here
from matplotlib import pyplot as plt
import numpy as np
from matplotlib_venn import venn3, venn3_circles
A = set(['DPEP1', 'CDC42BPA', 'GNG4', 'RAPGEFL1', 'MYH7B', 'SLC13A3', 'PHACTR3', 'SMPX', 'NELL2', 'PNMAL1', 'KRT23', 'PCP4', 'LOX', 'CDC42BPA'])
B = set(['ABLIM1','CDC42BPA','VSNL1','LOX','PCP4','SLC13A3'])
C = set(['PLCB4', 'VSNL1', 'TOX3', 'VAV3'])
v = venn3([A,B,C], ('GCPromoters', 'OCPromoters', 'GCSuppressors'))
ppp=v.get_label_by_id('100').set_text('\n'.join(A-B-C))
v.get_label_by_id('110').set_text('\n'.join(A&B-C))
v.get_label_by_id('011').set_text('\n'.join(B&C-A))
v.get_label_by_id('001').set_text('\n'.join(C-A-B))
v.get_label_by_id('010').set_text('')
plt.annotate(',\n'.join(B-A-C), xy=v.get_label_by_id('010').get_position() +
np.array([0, 0.2]), xytext=(-20,40), ha='center',
textcoords='offset points',
bbox=dict(boxstyle='round,pad=0.5', fc='gray', alpha=0.1),
arrowprops=dict(arrowstyle='->',
connectionstyle='arc',color='gray'))
在示例中，他们可以在图形维恩图中显示每个交叉点的内容
如何在变量/列表中存储每个路口的内容？
我想得到这样的东西：
A:[MYH7B, PHACTR3,...,DPEP1]
AB: [LOX,...,PCP4]
B: [ABLIM1]
ABC: empty
B: empty
BC: [VSNL1]
C: [TOX3,VAV3,PLCB4]
其中A，AB，ABC，C ...是python中的列表
最佳答案
不知道是否一旦创建了维恩图，就可以按照建议提取数据。那将是一个不错的功能，希望该库的某些开发人员会回答。
这样说。您可以做的是利用可以与python sets一起使用的逻辑操作。
Operation Equivalent Result
len(s) number of elements in set s (cardinality)
x in s test x for membership in s
x not in s test x for non-membership in s
s.issubset(t) s <= t test whether every element in s is in t
s.issuperset(t) s >= t test whether every element in t is in s
s.union(t) s | t new set with elements from both s and t
s.intersection(t) s & t new set with elements common to s and t
s.difference(t) s - t new set with elements in s but not in t
s.symmetric_difference(t) s ^ t new set with elements in either s or t but not both
s.copy() new set with a shallow copy of s
例如，要获取AB，ABC等，您可以执行以下操作：
AB = A.intersection(B).difference(C)
ABC = A.intersection(B).intersection(C)
希望这会有所帮助！