Hi Clark,
TDirectory and TFolder both manage tree like structures.
There are many differences between the two classes.
TDirectory manages hierachical structures in memory AND disk.
TFolder knows only about memory.
TDirectory always owns the objects. This is not the case
with a TFolder.
Rene Brun
On 26 Feb 2002, Clark McGrew wrote:
> Hello all,
>
> I'm puzzling over the difference between TFolder and TDirectory. They
> both seem to do similar things, and I'm having trouble figuring out when
> to use one versus the other, or even if a general rule can be stated.
> Are the strengths and weaknesses of the two classes compared anywhere?
>
> In my situation, I am saving an MC event where different types of
> information will be saved as my analysis continues. I want to be able
> to save the information in a "tree" where it can be accessed as
> blah->Get("/event/subcatagory/info"). I can do that with either a
> TDirectory or TFolder. Is there any collected wisdom on which path to
> follow, or do I need to write a test implementation for both?
>
> Thanks,
> Clark
> --
> Clark McGrew State University of New York, Stony Brook
> (clark.mcgrew@sunysb.edu) 631-632-8299 (office)
>
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