Hi!
Sorry for filling the list up with questions ;-)
How can I store objects in a TTree which are not local to an event?
Example: I have a class that stores a set of parameters and a class
that stores the event.
class MyParameter {
private:
int p1[10000];
//...
ClassDef(MyParameter,1)
};
class MyEvent {
private:
MyParameter* par;
MyTrack *track;
//...
ClassDef(MyEvent,1)
};
Now, I have two Parameter sets "MyParameter par1, par2;", and I want
-- based on some algorithm -- to put into my event either a link to
par1 or par2. The problem here is that I want ofcourse not the
complete parameter set to be stored in each event, but each different
parameter set should be stored only once.
How do I do that? I found no option that allows me to distinguish
between data that are stored within each event (like the track in the
example above) and which are stored only once.
Ole
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