[Rivet] RIVET scripts

[Genius Walia]

Dear Authors,

 I am preparing rivet routine for a CMS analysis in CMSSW release 8_1_0. I am facing issues when using flat2yoda  and  root2yoda scripts

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", 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 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.

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.


Could you please suggest me what I am doing wrong.

Many thanks in advance.
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