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Forum: Analysis
Re: Question Can I use AIDA for this situation? (Neoh)
Date: 15 Sep, 2010
From: Guy Barrand <Guy Barrand>

   Hi Neoh

  At least an answer...

  What you would like to have is some analysis tools abled to handle histos and the storing
 of them "at end of a distributed job" in a distributed way. I am afraid that for the moment, at least
 for OpenScientist, I can't deliver that. (And I think that other AIDA implementations, right now,
 can't do that too in an automatic way).

  Then I am afraid that for the moment you will have to code you own "distributed layer"
 (or "put all together layer"). Assuming that for all distributed jobs the histos have the same booking,
 the best would be to store partial files and then arrange to have a separate program
 that will gather the files, open them and recreate a "global histo" from each partial filling.
 Note that the AIDA::IHistogramFactory has the "add histograms" method that would
 permit to write such program.

  But for the moment I have not such a program at hand... (But at least I can put an item
 in my joblist because it is an interesting problem).

  Sorry to be not so helpful here. Cheers.

    Guy

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