centos 安装python的PIL matplotlib模块

1 安装PIL所需的系统库 yum install zlib zlib-devel yum install libjpeg libjpeg-level yum install freetype freetype-devel 下载代码包进行安装： wget http://effbot.org/downloads/Imaging-1.1.7.tar.gz tar xvfz Imaging-1.1.7.tar.gz python setup.py build_ext -i 修改setup.py： TCL_ROOT = "/usr/lib64/" JPEG_ROOT = "/usr/lib64/" ZLIB_ROOT = "/usr/lib64/" TIFF_ROOT = "/usr/lib64/" FREETYPE_ROOT = "/usr/lib64/" LCMS_ROOT = "/usr/lib64/" python setup.py install

code:

       from PIL import Image

       from pylab import *

       im = Image.open('fish.jpg')

       imshow(im)

       title('source')

       show()

       im = im.convert('L')

       imshow(im)

       title('after convert')

       show()