[Rivet] YODA write out

[David Grellscheid]

Hi Holger, 

Now I get it, sorry. That's part of the plan for v3. I don't know how much of that is in the alpha already.

  David


On 20 January 2016 16:56:07 GMT+00:00, Holger Schulz <holger.schulz at durham.ac.uk> wrote:
>On 20/01/16 16:51, David Grellscheid wrote:
>> Hi Holger,
>>
>> Is your question why the result of dividing two histos is a scatter
>rather than a histogram?
>> It gets hard to define many of the properties that a histogram / bin
>should have after the division.
>
>Sorry, I was unprecise.
>
>Specifically, what people want to do (for observables that are defined 
>as ratios)
>is to do some yodamerge stuff for the denominator and separately some 
>yodamerge
>stuff for the numerator. For instance adding background and signal 
>contributions.
>That requires output in the form of HISTO1D.
>
>I.e. do we have/ can we add a switch which disables the divide call in 
>analyses and
>instead writes out the histo1D guys of the numerator and the
>denominator 
>such
>that one can do arbitrary histogram manipulation afterwards?
>
>Cheers,
>Holger
>
>>    David
>>
>>
>>
>> On 20 January 2016 13:47:20 GMT+00:00, Holger
>Schulz<holger.schulz at durham.ac.uk>  wrote:
>>> On 20/01/16 13:44, Andy Buckley wrote:
>>>> Er, it already does. If you call bookHisto1D, a Histo1D will be
>>>> written out. Do you have a counterexample?
>>>>
>>> Ah sorry I forgot one important bit of information and that is the
>call
>>>
>>> of divide in finalize.
>>>
>>> Sorry, overworked already ...
>>>
>>> Holger
>>>> A
>>>>
>>>> On 20 Jan 2016 13:30, "Holger Schulz"<holger.schulz at durham.ac.uk
>>>> <mailto:holger.schulz at durham.ac.uk>>  wrote:
>>>>
>>>>      Hi,
>>>>
>>>>      is there a way to have rivet write out YODA Histo1D at the end
>of
>>>>      a run
>>>>      rather than Scatter2D? (I think the experimental
>--histo-interval
>>>>      kind of does
>>>>      that, right?)
>>>>
>>>>      I am asking because of post processing concerns brought
>forward
>>> by
>>>>      some
>>>>      people at IPPP when using yodamerge.
>>>>
>>>>      Cheers,
>>>>      Holger
>>>>