Hello,
I'm trying to fill a TTree with objects of a class "V0", declared in a
namespace "recocert". I do this:
TTree* _mytree = new TTree("V0tree","secondary vertices");
V0* _myV0 = new V0();
_mytree->Branch("V0s", "recocert::V0",&_myV0);
This gives me an error message:
Error in <TTree::Bronch>: Cannot find class:recocert::V0
At first I was creating the branch like this:
_mytree->Branch("V0s", "V0",&_myV0);
(i.e. omitting the "recocert::"), this gave me the same error message,
but, without "recocert::".
In the same file where I create the tree and the branch, I have "using
namespace recocert;"
Any idea what the problem is here? Is this just not supported? Are there
ways to work around it?
I'm using this root version:
/D0/ups/root/Linux-2-4/v3_05_00bKCC_4_0-exception-opt-thread
On Red Hat 7.1.
Thanks!
Paul
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