Re: CopyTree'ing large TTrees

From: Ilya Orlov <Ilya.Orlov_at_cern.ch>
Date: Sat, 12 Sep 2009 17:37:38 +0200


Hi Philippe,

2009/9/12 Philippe Canal <pcanal_at_fnal.gov>:
> Did you do something like:
> TFile *output = new TFile("shortfile.root","RECREATE");
> TTree* tmp = CALIWAVE->CopyTree("FT==0 && slot==2 && channel==1");
> tmp->Write();
> to insure that the output TTree is properly attached to the output files?

Yes, sure. The situation exists independently on attaching the objects to the file - in both cases I get bad_alloc.

--
Best regards,
Ilya Orlov.


====================================
CERN, ATLAS collaboration
LAr Endcap calorimeter commissioning group
office 40-1C-08, mailbox E28210
CH-1211 Genève 23, Switzerland
+41 22 76 71137 (office), +41 76 487 2733 (office cell),
+41 76 289 3446 (personal cell)
====================================
Budker Institute for Nuclear Physics
KEDR collaboration
Acad. Lavrentiev avenue, 11
Novosibirsk 630090, Russian Federation
+7 (383) 329-44-19, +7 913 931 0898 (cell)
====================================
Novosibirsk State University
Students Scientific Work Department, department head
Pirogova str., 2, office 420
Novosibirsk 630090, Russian Federation
+7 (383) 363-40-57, +7 913 931 0898 (cell)
====================================
Received on Sat Sep 12 2009 - 17:38:09 CEST

This archive was generated by hypermail 2.2.0 : Sat Sep 12 2009 - 23:50:02 CEST