RE: [ROOT] How to set the number of events to process in MakeSelector

From: Philippe Canal (pcanal@fnal.gov)
Date: Tue Jan 27 2004 - 17:08:40 MET

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In reply to: Tau Ken: "[ROOT] How to set the number of events to process in MakeSelector"
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Hi Tau,

Try
	ch.Process(sel,"",10000,0);

Cheers,
Philippe.

-----Original Message-----
From: owner-roottalk@pcroot.cern.ch
[mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of Tau Ken
Sent: Monday, January 26, 2004 3:42 PM
To: roottalk@pcroot.cern.ch
Subject: [ROOT] How to set the number of events to process in
MakeSelector


Hi, Dear Rooters:

I use MakeSelector to analyze some data, since these
files are very big, I want to specify total number of
events I want to process. I first did:
Global->NakeSelector("anal") then I wrote a main file
that will chain files and process all files. The main
file looks like this:

#include "anal.h"

anal *sel;
TChain ch("Global");

int main(int argc, char** argv) {
//code to chain files
ch.Process(sel);
}

Then I compile my code and run it, now I want to know
where can I specify number of events I want to
process. I know how to do it interactively
ch.Process("**.root", "", "", 10000), but I do not
know how can I do it in my way. Thanks for any help!

Best,
Tao

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Next message: Kirill Shileev: "Re: [ROOT] Neural networks"
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