Hi, I've got some trouble with the splitting of TTree. In my program, changing from : b = tree->Branch("event","RBEvent",&gEvent,0,0) ; , where everything is OK to : b = tree->Branch("event","RBEvent",&gEvent,0,1) ; leads to a segmentation violation after only 7 events. Error is in TBranch::Fill. Here's my tree->Print() : ************************************************************************************ *Tree :EM : EM particles * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * * : : Tree compression factor = 1.00 * ************************************************************************************ *Branch :event : event * *Entries : 0 : BranchObject (see below) * *..................................................................................* *Branch :fHeader.fSecond : fSecond * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fMinute : fMinute * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fHour : fHour * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fDay : fDay * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fPolarization : fPolarization * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fTrigger : fTrigger * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fEventNumber : fEventNumber * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fUniqueID : fUniqueID * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fHeader.fBits : fBits * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fNparticleEM : fNparticleEM * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fParticleEM : fParticleEM * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 1000 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fUniqueID : fUniqueID * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* *Branch :fBits : fBits * *Entries : 0 : Total Size = 0 bytes File Size = 0 bytes * *Baskets : 0 : Basket Size = 100 bytes EvOffsetLen= 0 * * : : Branch compression factor = 1.00 * *..................................................................................* Cheers, -- APHECETCHE Laurent (mailto:aphecetche@ganil.fr) GANIL, B.P. 5027, 14076, Caen Cedex 5, France Vox: +33 (0)2 31 45 45 85 - Fax: +33 (0)2 31 45 46 65 WWW: http://ganp03.in2p3.fr/nof/ & (perso.) http://www.mygale.org/~p0mp0n
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