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Installing CSAS

.. toctree::
    :maxdepth: 2

CSAS Dependencies

CSAS requires Python and depends on several other freely available Python modules. Prior to installing CSAS, you should make sure its dependencies are met.

CSAS Dependencies
Dependency Requirement
Python 2.5+ Required
NumPy Required
GDAL Required

Note that CSAS does not work with Python 3.x.

Installing

CSAS is distributed as a stand alone script and therefore does not require installation. This documentation is distributed locally, with CSAS. Simply place the script in a convenient directory.

Should you wish to access CSAS from any directory on your machine, it is necessary to append your PYTHONPATH with the path to CSAS. To do this, first not the absolute path to the directory where CSAS is installed. For example: '/Users/Jay/CSAS'. Then run the following from a command line (run cmd on a Windows machine / terminal on an OS X machine).

OS X

To allow CSAS to be called from any directory via the command line utilize the following. To have these changes be persistent append them to ~/.profile or ~/.bashrc.:

$ PYTHONPATH="/Users/Jay/CSAS:$PYTHONPATH"
$ export PYTHONPATH

where, /Users/Jay/CSAS is replaced with the path to your CSAS installation

Windows

To allow CSAS to be called from any directory via the command line utilize the following. To have these changes be persistent append them to autoexec.bat.:

$ set PYTHONPATH=%PYTHONPATH%;C:\CSASInstallDirectory

You can also append autoexec.bat graphically. Run msconfig from the start menu.