结果 ：
或者横向排列（图略）
import numpy as npfrom PIL import Imageimport osroot_dir = r"D:\urbanVitality_gdb\结果\00jpg_shap\XXX\XXXr"paths = []for item in os.listdir(root_dir):paths.append(item)print(paths)img_array = ''img = ''for i, v in enumerate(paths):if i == 0:img = Image.open(os.path.join(root_dir,v)) # 打开图片img_array = np.array(img) # 转化为np array对象if i > 0:img_array2 = np.array(Image.open(os.path.join(root_dir,v)))# img_array = np.concatenate((img_array, img_array2), axis=1) # 横向拼接img_array = np.concatenate((img_array, img_array2), axis=0) # 纵向拼接img = Image.fromarray(img_array)# 保存图片img.save('test.png')
