[Halld-offline] use of flat tree in DSelector

[zihlmann]

Try to use a flat tree in a working DSelector code using
dFlatTreeFileName to set the name
dFlatTreeInterface->Create_Branch..... to initialize one variable and 
one array
dFlatTreeInterface->Fill_Fundamental.... to fill the variables.

now I get the following error when starting up using Proof

Error in <TDSet::Process>: not a correctly initialized TDSet

what do I miss, or do wrong. I do fill only for each event after loop 
over combo not for each
combo but that should not matter I hope.

thanks for any advice/insight
Beni
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/halld-offline/attachments/20210111/8df4a819/attachment.html>