Re: [ROOT] TFolder or TDirectory?

From: cstrato@EUnet.at
Date: Sat Jan 19 2002 - 20:26:27 MET


Dear Fons

This sounds very interesting. Do you know when it will be available?
It would be great if there will be demo samples in the tutorials.

Best regards
Christian

Fons Rademakers wrote:

> Just to add a little in this discussion. In the PROOF system which we
> are currently implementing we will also support the parallel analysis
> of any kind of objects in a TFile (in addition to parallel TTree
> analysis) via a TSelector class. The modus operandus is that
> your TSelector::Process() method will be called once for all specified
> objects in the set of files. In the Process() method you can do what
> ever analysis you like and create objects (e.g. histograms) that will be
> send back to the user session. This is a purely analysis system and
> although you could create files in the Process() method it does not
> solve the transaction and locking issues discussed in this thread.
>
> Cheers, Fons.



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