zobov's Introduction
= About = This package includes VOBOZ (VOronoi BOund Zones), version 1.3.2, a halo-finding algorithm by Mark Neyrinck (with "advice" from grad-school advisors Andrew Hamilton and Nick Gnedin). It also includes the void-finding algorithm ZOBOV. Many thanks to Rick Wagner (http://lca.ucsd.edu/projects/rpwagner/; [email protected]) for doing many modifications to bring VOBOZ to v.1.2 and 1.3. Some of this README file is plagiarized from him, too. Documentation on VOBOZ is at http://www.ifa.hawaii.edu/~neyrinck/voboz. Rick also put up a nice wiki containing some information about the examples he created, and how to run VOBOZ: http://lca.ucsd.edu/projects/rpwagner/wiki/VOBOZ This version contains both the VOBOZ/ZOBOV source code, and the Qhull code. For help in understanding VOBOZ/ZOBOV, also see the papers describing them, at http://arxiv.org/abs/astro-ph/0402346 (VOBOZ; Neyrinck, Gnedin & Hamilton), and http://arxiv.org/abs/0712.3049 (ZOBOV; Neyrinck). If these resources are insufficient, feel free to email [email protected] with questions. See versions.txt for a version history. = Contents = qhull - Qhull source code Qhull has not been modified, and is included only for convenience. voboz - VOBOZ source code bin - Contains some python scripts; also, VOBOZ binaries get installed there examples - code to generate sample datasets and scripts = Building = To build VOBOZ, modify the Makefiles in src/, qhull/src/ and examples/ for your local machine. Currently, the files are set up to use GCC on generic Unix/Linux type operating systems (including OS X). To build, run `make` from this directory. This will compile qhull and the VOBOZ programs, and place the VOBOZ programs in bin/. `make clean` removes all binary files, etc. = Examples = Running `make examples` will build the sample data in examples/, and run VOBOZ on it. Currently, these examples are mostly for reference on how to run the programs, and how data is handled. = Precision = The default precision is double (8 byte floats); to change this, edit qhull/src/user.h, and change REALfloat to 1. = Mini-License = This is free software. It may be freely copied, modified, and redistributed, as long as the authors are acknowledged. There is no warranty or other guarantee of fitness for VOBOZ or ZOBOV; they are provided "as are." We welcome bug reports (but do not guarantee their fixing), which should be sent to [email protected]. File last modified Mar 21 2009
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