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pNbody is a parallelized python module toolbox designed to manipulate and display interactively very lage N-body systems.

Its oriented object approche allows the user to perform complicate manipulation with only very few commands.

As python is an interpreted language, the user can load an N-body system and explore it interactively using the python interpreter. pNbody may also be used in python scripts.

The module also contains graphical facilities desinged to create maps of physical values of the system, like density maps, temperture maps, velocites maps, etc. Stereo capabilities are also implemented.

pNbody is not limited by file format. Each user may redefine in a parameter file how to read its prefered format.

Its new parallel (mpi) facilities make it works on computer cluster without being limitted by memory consumption. It has already been tested with several millions of particles.

pNbody (master)

Doc/
MANIFEST
MANIFEST.in
MpiTest/
README
TODO
config/
examples/
fonts/
new.setup.py
old.setup.py
pNbody/
scripts/
setup.py
src/

Recent Commits

CommitAuthorDetailsCommitted
4fbc3430dc96revaz
pNbody: we added the possibility to check for a file type. It is no longer… 
Feb 15 2017
e5b137af0c03revaz
pNbody : add a new script gipy (gpy using ipython) 
Jan 3 2017
eeee7acbb691revaz
pNbody : let the possibility in the fcts x,y,z to specify the center 
Jan 3 2017
9daec0afd110revaz
pNbody : in expose, use dist_eye/foc in stead of dist_eye to get the angle when… 
Oct 31 2016
548860a141c1revaz
pNbody : remplace Image.fromstring with Image.frombytes, for compatilibty needs… 
Oct 19 2016
44f4f4751227revaz
add a 2 new display modes (svx, svy) 
Oct 12 2016
092890f0856drevaz
- correct a bug in libqt.py (display function) 
Oct 10 2016
a9f97dba280frevaz
in units, add GetUnitsFromString which return a unit object from a string. 
Sep 16 2016
e822f9f4c8b3revaz
in io, add the possibility to write "fortran files" whith 8 bytes octet. The… 
Aug 26 2016
be2b054db836revaz
update the doc for the movies 
Jun 22 2016
c9dc007cb139revaz
add JeansLength, JeansMass, SoundSpeed computation in the termodyn module. 
Jun 22 2016
c74c2534eaf7revaz
change git link in the doc 
Jun 16 2016
ff4aec412948revaz
improve README 
Jun 16 2016
b9e55ab05997revaz
in cosmo, add the function dt_da 
Apr 29 2016
7d3c8e18eb07revaz
add the option "--param" in the script gpy 
Apr 29 2016

README

note : this README is now obsolete

pNbody python module http://obswww.unige.ch/~revaz/pNbody/index.html

Release 4.0 (Feruary, 2008)

Requirements

  • C compiler
  • Python 2.5 or higher
  • numpy (python module)
  • PIL (the Python Image Library module with python-imaging-tk enabled)

Build instructions for UNIX/LINUX

  1. Unpack the pNbody distribution (the file pNbody-3.0.tgz) in your Python extensions directory (if you have one. If not, feel free to unpack it in any other suitable directory).

    $ cd Python-2.5/Extensions # example $ tar -xzf pNbody-4.0.tgz
  1. Using Python 2.3 or later, you can use the setup.py script to build the module. The following commands should do the trick:

    $ python setup.py build $ python setup.py install

    (depending on how Python has been installed on your machine, you might have to log in as a superuser to run the 'install' command.)

    If the setup.py command finishes without any errors, you're done!

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Build instructions for Windows

  1. Install Linux on your Windows machine and follow the instructions for UNIX

Documentation

   You can find the manual in the file : doc/man.ps

Getting Help

If you have questions about python Nbody module, feel free to, write 
to the following e-mail:

  yves.revaz@obspm.fr
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