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Display numbers instead of points using pyplot1个
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matplotlib scatter plot with different text at each data point4个
编辑:这个问题不重复,我不想绘制数字而不是点数,我想在我的点旁边绘制数字.
我正在使用matplotlib创建一个情节.绘制[[3,9],[4,8],[5,4]]有三点
我可以轻松地用它们制作散点图
import matplotlib.pyplot as plt
allPoints = [[3,9],[4,8],[5,4]]
f, diagram = plt.subplots(1)
for i in range(3):
xPoint = allPoints[i][0]
yPoint = allPoints[i][1]
diagram.plot(xPoint, yPoint, 'bo')
这产生了这个情节:
我想用数字1,2,3标记每个点.
基于this SO回答我试图使用注释来标记每个点.
import matplotlib.pyplot as plt
allPoints = [[1,3,9],[2,4,8],[3,5,4]]
f, diagram = plt.subplots(1)
for i in range(3):
pointRefNumber = allPoints[i][0]
xPoint = allPoints[i][1]
yPoint = allPoints[i][2]
diagram.annotate(pointRefNumber, (xPoint, yPoint))
这会产生一个空白图.我正在密切关注另一个答案,但它没有产生任何情节.我哪里弄错了?