[Rivet] rivet2 for genser validation.

[Dmitri Konstantinov]

Many thanks , Andy!

For the moment it is more that enough :)
We will keep you posted.

Cheers,
     Dima

On 11/15/13 9:19 PM, Andy Buckley wrote:
> On 13/11/13 17:15, Dmitri Konstantinov wrote:
>> Hi Andy,
>>
>> We would like to start using rivet2 for GENSER regression tests.
>> First idea is to use simple rivet analyses like MC_XS, MC_WJETS,
>> MC_ZJETS etc. It least it looks like a good way.
>> And therefore I have a question: what is a best way to analyze/parse
>> yoda files?
>> It can be done by some regexp parsing...But I don't really like it.
>> Is there any way to open them with yoda(python) and access/dump
>> observables to some formatted file?
>> If yes then could you provide an example?
> Hi Dmitri,
>
> Sounds good: let us know if we can help.
>
> Yes, YODA has its own parser and Python interface: definitely use that
> rather than trying to write your own! If you have a .yoda file, you can
> read it like this (if I remember correctly):
>
>>>> import yoda
>>>> histos = yoda.read("myfile.yoda")
>>>> for h in histos: print h.path
>>>> b = histos[0].bins[0]
>>>> print b.width, b.height, b.heightErr, b.sumW
> YODA can also do conversion to ROOT objects/files if you want, or plot
> using our own plotter (which produces nicer-looking output (we think)
> but is less familiar and could benefit from finishing some work which we
> began to speed it up and make it more powerful.
>
> Hope that helps,
> Andy
>