TTree split pb

From: Laurent Aphecetche (aphecetche@ganil.fr)
Date: Tue Oct 21 1997 - 16:34:09 MEST


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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