PSDF: Particle Stream Data Format for N-Body Simulations

Details PSDF: Particle Stream Data Format for N-Body Simulations PSDF: Particle Stream Data Format for N-Body Simulations

2012-01-09

arxiv.org/abs/1201.1694v1

New Astronomy 17 (2012), pp. 520--523

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

5 pages; submitted to New Astronomy

Scientific paper

We present a data format for the output of general N-body simulations, allowing the presence of individual time steps. By specifying a standard, different N-body integrators and different visualization and analysis programs can all share the simulation data, independent of the type of programs used to produce the data. Our Particle Stream Data Format, PSDF, is specified in YAML, based on the same approach as XML but with a simpler syntax. Together with a specification of PSDF, we provide background and motivation, as well as specific examples in a variety of computer languages. We also offer a web site from which these examples can be retrieved, in order to make it easy to augment existing codes in order to give them the option to produce PSDF output.

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