example of ROOT DST format ?

From: Pasha Murat (murat@cdfsga.fnal.gov)
Date: Mon Dec 08 1997 - 02:35:41 MET


	Thinking about possible format of the DST (mini-DST) written with 
ROOT, one naturally comes to something more or less close to the following 
scheme:

- the data are organized into a tree with just one branch,
  corresponding to the experimental runs. Object written into this branch 
  (run record) contains:

  - begin run record (if any)
  - tree of events (event record in general goes into several branches)
  - end run record (if any)

There are examples in ROOT tests/tutorials of how to deal with the simpliest
trees, consisting of one or several linear branches (branch itself is not a tree
but just a collection of leaves).

It would be quite helpful to have an example of writing out (filling) more 
complex tree structure, for example the one described above. 

						Thanks, Pasha.



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