AFOF

Abstract

Afof is an approximate group finder, which uses the friends-of-friends method to find groups. A particle belongs to a friends-of-friends group if it is within some linking length tau of some other particle in the group. The algorithm is approximate. It takes an additional parameter epsilon which indicates how much error can be tolerated. The error will take the form of over-linking. After all such groups are found, those with less than a specified minimum number of group members are rejected. The program takes input files in the tipsy binary format and produces a single ASCII output file called afof.grp. The afof.grp file can be read in by tipsy and used to visualize the groups that are found by afof. Simulations with periodic boundary conditions can also be handled by afof by specifying the period in each dimension on the command line.

DateOfInformation

Thr Sep 25 15:18:20 1997

Domain

Scientific and Engineering Applications

Name

AFOF

TargetEnvironment

UNIX

Webpage

http://www-hpcc.astro.washington.edu/tools/

ContactIs

hpccsoft@astro.washington.edu