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问题描述
问题是:我在Windows7上，已经安装了pygraphviz库和Graphviz应用程序(Graphviz应用程序位于"C:\ Program Files"中).当我在python上运行程序时，我收到以下消息:
the problem is:I am on Windows7 and I've installed pygraphviz library and Graphviz application(Graphviz application is in "C:\Program Files"). When I run my program on python I have the following message:
g.draw(filename,prog='dot')
File "C:\Python27\lib\site-packages\pygraphviz\agraph.py", line 1418, in draw
data=self._run_prog(prog,args)
File "C:\Python27\lib\site-packages\pygraphviz\agraph.py", line 1248, in _run_prog
runprog=self._get_prog(prog)
File "C:\Python27\lib\site-packages\pygraphviz\agraph.py", line 1236, in _get_prog
raise ValueError("Program %s not found in path."%prog)
ValueError: Program dot not found in path.
我该如何解决这个问题?
How can I solve this problem?
推荐答案
您需要将带有graphviz二进制文件的目录添加到PATH.
You need to add the directory with graphviz binaries to PATH.
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