About the rootfile and histogram

ROOT
1

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Could the same histogram but different conditional judgment be saved into one root file and distinguished?
Like this:

if [condition1]
histo1->write;
if[condotion2]
histo1->write
And both histo1 could be distinguished. I want to call the histo1 for different condotion.
Thank you very much!

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2

Hi @zs155167 ,

one way to do this is to change the name of the histogram via histo1->SetName before writing it, so you get differently named entries in the file depending on the condition.

Cheers,
Enrico

3

Thank you very much! Could we create a directory in a rootfile to save this two hitogram?

4

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