|Message: Reading in information from Pythia8||Not Logged In (login)|
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I'm trying to read primary collision information from Pythia into Geant4. Do I need to use HepMC to do this?
I've been looking in /examples/extended/eventgenerator/ and it seems like the examples in that folder all use Pythia6 (Fortran). I tried downloading HepMC and trying to run the HepMCEx01 example, but I keep getting the error:
HEPMC_DIR not defined in the environment ! Requires HepMC release 1.27.
I'm using Cygwin.
In the README for HepMCEx01, it says that I need HepMC, version 1.27 or greater, and proper path defined in $HEPMC_DIR.