Python `plt.imshow`只生成suplot的最后一个图像
我正试着在我的笔记本上打印四个DICOM图像样本 我创建了以下内容:Python `plt.imshow`只生成suplot的最后一个图像,python,image,matplotlib,subplot,Python,Image,Matplotlib,Subplot,我正试着在我的笔记本上打印四个DICOM图像样本 我创建了以下内容: import os import pydicom as dicom import pandas as pd import numpy as np import matplotlib.pyplot as plt PATH = '../data/train/' files = os.listdir(PATH) np.random.seed(42) random_four = np.random.randint(0, len(f
import os
import pydicom as dicom
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
PATH = '../data/train/'
files = os.listdir(PATH)
np.random.seed(42)
random_four = np.random.randint(0, len(files), size=4)
subplots = [[0,0],[0,1],[1,0],[1,1]]
fig, axs = plt.subplots(2,2, figsize=(8,8))
for image_number in range(4):
sample = dicom.dcmread(PATH+files[random_four[image_number]])
axs[subplots[image_number]] = plt.imshow(sample.pixel_array, cmap='gray')
这将生成一个子图,但实际上只有最后一张图像显示:
如何使用子窗口将这四幅图像正确打印到笔记本上?使用
您还可以使用zip
和axs.ravel()
在子批次上循环:
fig, axs = plt.subplots(2, 2, figsize=(8,8))
for ax, image_number in zip(axs.ravel(), range(4)):
sample = dicom.dcmread(PATH+files[random_four[image_number]])
ax.imshow(sample.pixel_array, cmap='gray')
或使用枚举
:
for image_number, ax in enumerate(axs.ravel()):