4-levels Tree

From: valeri@na.infn.it
Date: Thu Apr 30 1998 - 15:44:08 MEST 

Dear rooters,

I'd like to create the tree like: 

	Tree
	  |
1	 EventBody,Ntracks
                      |
2		 TrackBody,Ncnd
                            |
3                        CandidatBody,Nelements
                                         |
4                                     ElementBody

Here 
each Body is the structure,
each N could take value from 0 to 100.

I know that for level 2 (tracks) use of TClonesArray is recommended:
$ROOTSYS/test/Event.

But for more levels 3 and 4 should it works the same?

Are there any example of the  tree  with more than 1 level 
variable-length arrays?

Thanks,
Valeri Tyukov

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