[Rivet] RIVET scripts

[Janssen Xavier]

I checked the tarball for YODA 165 and the error is present in there. Indeed it is fixed in 166.


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-------- Original message --------
From: Genius Walia
Date:13/03/2017 08:24 (GMT+01:00)
To: Chris Pollard
Cc: rivet at projects.hepforge.org
Subject: Re: [Rivet] RIVET scripts

Hi Chris,

   Thanks for the reply.

1.) flat2yoda :    I am facing this issue in CMSSW release 8_0_X, which I believe uses the latest RIVET version 2.5.2 and YODA version 1.6.5.

2.) root2yoda :  Yes the entries are already divided by bin width in the input histogram.


Regards,
Genius
________________________________
From: Chris Pollard
Sent: 13 March 2017 04:55
To: Genius Walia
Cc: rivet at projects.hepforge.org
Subject: Re: [Rivet] RIVET scripts

Hi Genius,

1.) flat2yoda : It gives following error :

File "/cvmfs/cms.cern.ch/slc6_amd64_gcc530/cms/cmssw/CMSSW_8_1_0/external/slc6_amd64_gcc530/bin/flat2yoda<http://cms.cern.ch/slc6_amd64_gcc530/cms/cmssw/CMSSW_8_1_0/external/slc6_amd64_gcc530/bin/flat2yoda>", line 23
    opts, args = parser.parse_args()
       ^
SyntaxError: invalid syntax


I looked into the /cvmfs/cms.cern.ch/slc6_amd64_gcc530/cms/cmssw/CMSSW_8_1_0/external/slc6_amd64_gcc530/bin/flat2yoda<http://cms.cern.ch/slc6_amd64_gcc530/cms/cmssw/CMSSW_8_1_0/external/slc6_amd64_gcc530/bin/flat2yoda> file and found that on line 21,
the closing bracket is missing. I think this could be the source of the error.

I was suggested to write to the authors, to get it fixed in subsequent CMSSW releases. It could be great if you can look into this.

ok looking at the most up-to-date version of this script, I don't see an (obvious) issue on line 21. Do you know which version of YODA is installed in your particular CMSSW release? Is the latest file different from what you have?

https://yoda.hepforge.org/trac/browser/bin/flat2yoda

2.) root2yoda :  I tried using this script giving TH1D histogram as input, in the same CMSSW version. But the output yoda file varies my input cross-section numbers and I get different
cross-sections values .  I am using the following command for root 2 yoda conversion :
 root2yoda Data_muon.root
It gives the Data_muon.yoda as output.

I tried plotting these outputs using rivet-mkhtml Data_muon.yoda command, but it gives .dat file as output.

I even tried comparing this Data_muon.yoda to MC, but the output histogram only shows the MC distribution.

I am attaching the Data_muon.root and Data_muon.yoda  with this mail.

Can you tell me if the entries in the histogram you're trying to convert have been divided by the bin widths? I suspect the YODA converter expects the entries to have been normalized this way.

Chris
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