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Dependencies :

It is somewhat audacious to call the set of tools with which it works, PyGeo's "dependencies". More accurately stated, PyGeo is an add-on module to this tool set - a set of tools which is well worth exploring independently of an interest in PyGeo.

• The Python programming language and standard libraries:

  Python is a popular and growing professional programming language, which has been under active development for a number of years. It is full featured, multi-paradigm, with a strong complement of standard libraries. And with all that, it is wonderfully approachable by the non-professional. There is a host of reference books and on-line resources available that range in intended audience from the absolute beginner to the highly anointed.

  It attracts a devoted, active and quite interesting user community.

• Numerical Python:

  Numerical Python (NumPy) adds a fast multidimensional array facility to Python.

  It was developed under the auspices of the Lawrence Livermore National Laboratory to attend to highly demanding, real number crunching tasks. Yet, it doubles quite nicely as an educational tool for the exploration of matrix algebras, at near any level of complexity.

• VPython:

  "3D Programming for Ordinary Mortals."

  Developed at Carnegie Mellon University for use within their Physics curriculum. The code itself written (and copyrighted) by an undergraduate student.

  High quality, good performance 3d graphics. Succinct, compact, and highly useful extension for many visualization applications. Tightly integrated with Python *and* Numeric Python.

  Exploration of the examples included in the distribution is recommended.

Operating systems:

Desargue triangles

Download and installation: General Instructions

1. Download and install the latest Python version for your platform according to the instructions at the official Python download page
2. Download and install the VPython distribution compatible with the version and platform of the Python installation from the VPython download page. The VPython distribution will include the Numeric Python distribution necessary for running VPython and PyGeo scripts.

   New: There is now an offical Debian VPython distribution.

3. Retrieve the PyGeo files as a .tgz file here. Decompress the file in an appropriate location (.e.g. one's home directory) and run the setup.py file in the root of the directory structure - >>python setup.py install

1. Download and install the latest Python according to the instructions at the official Python download page
2. Retrieve and execute the self-installing executable for VPython (includes Numeric) compatible with your Python version
3. Retrieve and execute the self-installing executable for PyGeo compatible with your Python version

Download and installation: Mac

1. Download and install the latest Python according to the instructions at the official Python download page For Max OS X 10.3 and later you should end at the site for the offical unoffical MacPython builds
2. VPython runs under Fink on OS X. See the discussion at here for available Fink distributions.
3. Retrieve the PyGeo files as a .tgz file here. Decompress the file in an appropriate location (.e.g. one's home directory) and run the setup.py file in the root of the directory structure - >>python setup.py install

Scream for help on any Python install problems emailing either help@python.org or tutor@python.org should bring quick response.

For VPython install issues, post to visualpython-users@lists.sourceforge.net - which, again, is active and responsive.

For PyGeo issues, or Python or VPython or Numeric issues or questions not otherwise being resolved, e-mail me at ajsiegel@optonline.com

None of this should be nearly as bad as this description might make it sound. For Windows users we are essentially talking about 2 fully self-executing wizard-based installations, and the unzipping of the PyGeo files to the proper place. Nothing more.

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