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+# 安装 Anaconda and Spyder
+
+1. 下载 [Anaconda Python distribution](https://www.continuum.io/downloads) (we recommend the commandline version)
+2. 安装 Anaconda
+3. 做完上面的指令后安装 Caiman [here](https://github.com/simonsfoundation/CaImAn#installation)
+
+# [](https://github.com/flatironinstitute/CaImAn/wiki/Setting-up-Python-and-getting-to-know-Spyder#python-environments)Python _environments_
+
+Environments是一个非常有用的Python特点. 它让工作和不同的版本的Python和包没有打扰.([cheatsheet](https://uoa-eresearch.github.io/eresearch-cookbook/recipe/2014/11/20/conda/)).
+
+# [](https://github.com/flatironinstitute/CaImAn/wiki/Setting-up-Python-and-getting-to-know-Spyder#installing-packages)Installing packages
+
+可以安装包通过 _conda_ 或 _pip_. 当软件时可用的, 更喜欢用conda版本, 并且使用 pip 作为一个fallback选项 (as pip is not very aware of Conda). 例:
+
+```
+conda install tifffile
+Fetching package metadata .......
+Solving package specifications: .
+PackageNotFoundError: Package not found: '' Package missing in current osx-64 channels:
+ - tifffile
+
+你能找到那个包在anaconda.org 通过
+
+ anaconda search -t conda tifffile
+```
+
+你不能找到他在conda:
+
+```
+pip install tifffile
+```
+
+(如果在conda or pip都不可用, 你需要手动安装它)
+
+# [](https://github.com/flatironinstitute/CaImAn/wiki/Setting-up-Python-and-getting-to-know-Spyder#the-pythonpath-variable)The PYTHONPATH variable
+
+这事告诉Python去哪里找已安装的packages 如果他们没有安装到标准的(system)地方.
+使用, 使用CaImAn, 我们需要去设置这个变量每次我们launch一个新的shell or terminal:
+
+```
+export PYTHONPATH="/path/to/caiman:$PYTHONPATH"
+```
+
+# [](https://github.com/flatironinstitute/CaImAn/wiki/Setting-up-Python-and-getting-to-know-Spyder#spyder)Spyder
+
+Spyder是互动的编程环境,有些像MATLAB. Spyder有编辑器和交互的shell. 他也有一个interface可以debugging, 对象和文档的inspectors, 和变量和文件explorers.
+
+为了launch Spyder, 你需要激活你的环境并更新PYTHONPATH变量,类型
+
+```
+spyder
+```
+
+Spyder将launch.
+
+这有一些设置你想改的，在你首次launch它之后.
+Go to Preferences -> IPython Console -> Graphics and select Backend:Qt5. 重启Spyder. 这将禁止inline figure plotting (displaying plots in a separate window).
+
+launched之后, 去 editor and type
+
+```
+#%% DEFINES BLOCKS OF CODE
+import numpy as np # math library
+import scipy # scientific library
+import pylab as pl # plotting library
+#%% this will output some wisdom
+print('Python and Calcium Imaging, a marriage made in heaven')
+#%% this creates a random vector
+a = np.random.random([10,10])
+print(a)
+#%% this will plot something
+pl.imshow(a)
+
+```
+
+每一个 "#%%" 定义一个code block, 相当于cells (%%)在MATLAB. 为了运行每一个cells 按住Control-Enter. 如果你想运行，然后再移动到下一个cell,按住 Control-Shift-Enter.