I have root file with histograms in it. I want to put those histograms in a tree. How can I do do. I was trying this using TBranch and Branch() function but unable to do that.Please help me.
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The following tutorial illustrates how to store histograms in a tree: https://github.com/root-project/root/blob/master/tutorials/tree/htest.C
Keep in mind that this is storing a set of histograms per event. If your histograms summarize all the events in a tree, it would actually make sense to have them in the ROOT file but not in a tree. If you have many such histograms and you want to group them, you can create directories in the ROOT file and place the histograms in different directories, as shown in https://github.com/root-project/root/blob/master/tutorials/io/dirs.C
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