matplotlib y刻度的逐步填充历史记录无法正确显示

问题描述

当同时使用histt​​ype ='stepfilled'和log = True时，我在matplotlib中显示直方图时遇到问题.我在matplotlib 1.1.0版中遇到了这个问题，发现在1.2.0版中仍然存在.

I have a problem displaying histograms in matplotlib when both options histtype='stepfilled' and log=True are used. I had this problem in matplotlib version 1.1.0 and found that this is still present in version 1.2.0.

不幸的是，我没有发布图像的权利，但是您可以使用以下简单代码来检查这种行为:

Unfortunately I don't have the rights to post images, but you can check out this behaviour with this simple code:

import numpy as np
import matplotlib as mpl
import matplotlib.pyplot as plt

mu, sigma = 200, 25
x = mu + sigma*np.random.randn(10000)
n, bins, patches = plt.hist(x, 50, normed=1, histtype='bar',log=True)
plt.savefig("test1.png")
plt.clf()
n, bins, patches = plt.hist(x, 50, normed=1, histtype='stepfilled',log=True)
plt.savefig("test2.png")

第一个数字正确显示，而在第二种情况下，选项histt​​ype ='stepfilled'而不是'bar'，否.有人有任何线索吗?

The first figure shows correctly, whereas in the second case, with the option histtype='stepfilled' instead of 'bar', no.Somebody has any clue?

推荐答案

如果使用

plt.hist(x, 50, normed=1, histtype='stepfilled')
plt.semilogy()

您会得到预期的结果，但要注意的是，对于零值的垃圾箱，它看起来很奇怪.

you get the expected result, with the caveat that it looks weird for bins with zero values.

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