Problem with the TTree::Draw member function producing a TEventList

From: Rafael Arco Arredondo <>
Date: Fri, 23 Sep 2005 13:52:03 +0200


I have a problem with one of the files I attach, graphicsScan.C, because it works on my laptop -Ubuntu Linux 2.6.10-5-686, G++ 3.3.6 and ROOT 4.04/02d-, but it doesn't on LXPLUS ( -Scientific Linux 3 2.4.21-32.0.1.EL.cernsmp, G++ 3.2.3 and ROOT 4.04/02 (without the 'd', I don't know if this is important)-, producing a segmentation fault.

In particular, the problem is at line 145:

tree -> Draw(">>myList", cutCommand);

I would like to know where the problem is, because I think that line should work.

There is another file which is needed to execute the program, scan_summary.root. It can be found at:


Thanks so much in advance for your help,


Received on Fri Sep 23 2005 - 13:53:41 MEST

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