Question

我需要一个例程来使用python读取tiff。我在Working with TIFFs (import, export) in Python using numpy

使用了Michael Brennan的建议

import matplotlib
import matplotlib.pyplot as plt
I = plt.imread('ASTGTM_N26E093_num.tif')
print I

我收到运行时错误：未知图像模式

File "img1.py", line 10, in <module>                                             
I = plt.imread('ASTGTM_N26E093_num.tif')                                      
File "/usr/lib64/python2.6/site-packages/matplotlib/image.py", line 776, in imread
im = pilread()                                                                
File "/usr/lib64/python2.6/site-packages/matplotlib/image.py", line 767, in pilread                                                                                       
return pil_to_array(image)
File "/usr/lib64/python2.6/site-packages/matplotlib/image.py", line 853, in pil_to_array                                                                           
raise RuntimeError('Unknown image mode')
RuntimeError: Unknown image mode

有什么建议吗？

Answer 1

Matplotlib提到PIL是读取多种图像类型的要求。也许您可以尝试安装PIL并再次测试您的代码。

http://matplotlib.org/api/pyplot_api.html?highlight=imread#matplotlib.pyplot.imread

Answer 2

尝试pylibtiff，它对我来说有一堆tiff图像，其中matplotlib或PIL失败。从他们的帮助：

from libtiff import TIFF
# to open a tiff file for reading:
tif = TIFF.open('filename.tif', mode='r')
# to read an image in the currect TIFF directory and return it as numpy array:
image = tif.read_image()
# to read all images in a TIFF file:
for image in tif.iter_images(): # do stuff with image
# to open a tiff file for writing:
tif = TIFF.open('filename.tif', mode='w')
# to write a image to tiff file
tif.write_image(image)

使用python和matplotlib工作TIFF

2 个答案: