[Rivet] Advice for unusual truth analysis

[Andy Buckley]

On 03/06/11 17:48, Robert King wrote:
> Dear Rivet Experts,
>
> This is a again in relation to  my truth analysis where I wish to
> compare Jet counts per event with and without MPI on in Sherpa. I
> haven't been able to work out how to access the event number. Can anyone
> offer a pointer? In case it helps I attach a copy of my analysis code.

Hi Robert,

Rivet doesn't store any event number: you could either implement a 
counter of your own in the analysis, or try to use the event number as 
set in the HepMC event -- if it is set, which isn't necessarily the 
case. The latter can be accessed via Event::genEvent().

Andy

-- 
Dr Andy Buckley
SUPA Advanced Research Fellow
Particle Physics Experiment Group, University of Edinburgh

The University of Edinburgh is a charitable body, registered in
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