windows下安装OSMnx用于处理OSM数据

参考这篇文章：http://geoffboeing.com/2016/11/osmnx-python-street-networks/

geopandas安装方法：http://geoffboeing.com/2014/09/using-geopandas-windows/

安装方法：

1. 使用conda（anaconda自带的包管理器，强烈建议按照anaconda作为python开发环境）

conda install -c conda-forge osmnx

2. 使用pip

pip install osmnx

但是使用pip按照的话，需要手动装上依赖。具体看文章。思路就是那个包装不上就去寻找相应包的 whl 文件。

主把安装过程中会遇到的问题记录下：

错误一：缺乏 vcpython

VCInstallDir
    distutils.errors.DistutilsPlatformError: Microsoft Visual C++ 9.0 is required. Get it from http://aka.ms/vcpython27

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in c:\users\temp\appdata\local\temp\pip-build-dannsw\pyproj\

按照提示，到 http://aka.ms/vcpython27 下载装上即可

错误二：版本匹配问题

  Found existing installation: matplotlib 1.5.3
    Uninstalling matplotlib-1.5.3:
Exception:
Traceback (most recent call last):
  File "D:\Program Files (x86)\Anaconda2\lib\site-packages\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "D:\Program Files (x86)\Anaconda2\lib\site-packages\pip\commands\install.py", line 317, in run
    prefix=options.prefix_path,
  File "D:\Program Files (x86)\Anaconda2\lib\site-packages\pip\req\req_set.py", line 736, in install
    requirement.uninstall(auto_confirm=True)
  File "D:\Program Files (x86)\Anaconda2\lib\site-packages\pip\req\req_install.py", line 742, in uninstall
    paths_to_remove.remove(auto_confirm)
  File "D:\Program Files (x86)\Anaconda2\lib\site-packages\pip\req\req_uninstall.py", line 115, in remove
    renames(path, new_path)
  File "D:\Program Files (x86)\Anaconda2\lib\site-packages\pip\utils\__init__.py", line 267, in renames
    shutil.move(old, new)
  File "D:\Program Files (x86)\Anaconda2\lib\shutil.py", line 300, in move
    rmtree(src)
  File "D:\Program Files (x86)\Anaconda2\lib\shutil.py", line 252, in rmtree
    onerror(os.remove, fullname, sys.exc_info())
  File "D:\Program Files (x86)\Anaconda2\lib\shutil.py", line 250, in rmtree
    os.remove(fullname)
WindowsError: [Error 5] : 'd:\\program files (x86)\\anaconda2\\lib\\site-packages\\matplotlib\\_path.pyd'

Collecting pandas>=0.19 (from osmnx)
  Could not find a version that satisfies the requirement pandas>=0.19 (from osmnx) (from versions: )
No matching distribution found for pandas>=0.19 (from osmnx)

需要手动升级：

conda update matplotlib --no-update-dependencies

conda update pandas --no-update-dependencies

错误三：按照后 import 错误

OSError: could not find or load spatialindex_c.dll

这里的主要错误是Rtree这个包，参考这篇文章，很详细；http://www.cnblogs.com/yangzhang-home/p/5999812.html，还有一篇http://www.zhimengzhe.com/windows/136713.html

参考资料：

用conda管理python包：http://blog.sina.com.cn/s/blog_c3c116470102wlv5.html

错误四： fiona import 错误

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-3-0c9777b3c6b2> in <module>()
----> 1 boros = GeoDataFrame.from_file('nybb.shp')

/Users/danqing0703/anaconda/lib/python2.7/site-packages/geopandas/geodataframe.pyc in from_file(cls, filename, **kwargs)
    159 
    160         """
--> 161         return geopandas.io.file.read_file(filename, **kwargs)
    162 
    163     @classmethod

/Users/danqing0703/anaconda/lib/python2.7/site-packages/geopandas/io/file.pyc in read_file(filename, **kwargs)
      9     opening the file.
     10     """
---> 11     import fiona
     12     bbox = kwargs.pop('bbox', None)
     13     with fiona.open(filename, **kwargs) as f:

/Users/danqing0703/anaconda/lib/python2.7/site-packages/fiona/__init__.py in <module>()
     70 from six import string_types
     71 
---> 72 from fiona.collection import Collection, BytesCollection, vsi_path
     73 from fiona._drivers import driver_count, GDALEnv, supported_drivers
     74 from fiona.odict import OrderedDict

/Users/danqing0703/anaconda/lib/python2.7/site-packages/fiona/collection.py in <module>()
      5 import sys
      6 
----> 7 from fiona.ogrext import Iterator, ItemsIterator, KeysIterator
      8 from fiona.ogrext import Session, WritingSession
      9 from fiona.ogrext import (

我的原因是因为没有装 GDAL这个包。

参考文章：http://gis.stackexchange.com/questions/121157/how-to-fix-python-importerror-dll-load-failed-the-specified-module-could-not-b

windows下安装OSMnx用于处理OSM数据

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