[ROOT] Re: your mail

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Nov 22 2002 - 12:42:53 MET


Hi Davide,

This new function generated by MakeSelector was introduced in 3.03/09
in view of PROOF. The comments in the generated code are a bit misleading
and will be improved.
We will provide a documentation on how to use this facility with PROOF
when a working version of PROOF will be released.

Continue to use the ProcessCut function for the time being.

Rene Brun

On Fri, 22 Nov 2002, Davide Grandi wrote:

> Dear rooters, 
> 	in the new version of root (3.03.09 on a Linux machine, Intel 2.0
> Ghz double processor) using MakeSelector there is a new bool part of the
> .C file, essentially the Process part (see below). Sorry for my ignorance
> but what is the main difference with ProcessCut (it is not mentioned in
> the example in the Users Guide...)?
> 
> Bool_t test2::Process(Int_t entry)
> {
>    // Processing function.
>    // Entry is the entry number in the current tree.
>    // Read only the necessary branches to select entries.
>    // To read complete event, call fChain->GetTree()->GetEntry(entry).
>    // Return kFALSE as stop processing.
> 
> }
> 
> Bool_t test2::ProcessCut(Int_t entry)
> {
>    // Selection function.
>    // Entry is the entry number in the current tree.
>    // Read only the necessary branches to select entries.
>    // Return kFALSE as soon as a bad entry is detected.
>    // To read complete event, call fChain->GetTree()->GetEntry(entry).
> 
>    return kTRUE;
> }
> 
> 
> Thanks
> 
> Davide Grandi
> 
> 
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