Hi Michael, In our example of Applications page, we have a reference to URL: ftp://ftp.slac.stanford.edu/groups/lcd/Physics_tools/ The README file says: Overview -------- Physics analysis needs some of the standard utilities like JetFinders and event shape analyzers. We have translated the Jade, Jade E, and Durham jet algorithms and the JETSET thrust & event shape routines to C++/Root. This directory contains source files, and Makefile to make two shared libs, libJetFind.so and libEventShape.so, containing JetFinders and event shape analyzers, respectively. To create the shared libs, modify Makefile (the default Makefile is for SunOS.) by referring to the $ROOTSYS/test/Makefile in your system. Example Macro ------------- The directory contains two sample programs, sample_jet.cxx and sample_thrust.cxx. These macros use the events generated by a test program of Event and libEvent.so, in $ROOTSYS/test. sample_jet.cxx :: Using the Jet Finder (Jade algorithm, for example) in libJetFinder.so sample_thrust.cxx :: Using the event shape analyzers (getting thrust, major, and minor) in libEventShape.so. Sep 03, 1999 M. Iwasaki (masako@slac.stanford.edu) Rene Brun On Mon, 12 Nov 2001, Michael Bussmann wrote: > Hi Rooters, > > does anybody know a nice ROOT-implementation of event-shape-variables like > Thrust and Sphericity using ROOT-Vectors (or similar stuff)? > > Michael >
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