Re: using class methods in treeViewer/Draw()

From: <hoeppner_at_e18.physik.tu-muenchen.de>
Date: Tue, 21 Aug 2007 07:23:56 +0200 (CEST)


Sorry that Ididnt completely get it, but in Rene's answer, what exactly is "obj" supposed to be. I tries the Branch name, the Class name, ...

Cheers, Christian

> With TTree::Draw you can do
> T.Draw("obj.Function(params,..)" (see doc)
>
> same with TBrowser.
> A future version of TTreeViewer will also provide this functionality.
>
> Rene Brun
>
> Christian Hoeppner wrote:
>> Hi everybody,
>>
>> I have a question: Is it possible to directly plot or cut on a return
>> value of a method instead of a member variable. E.g.: I have a class
>> event : public TObject, that I write to my tree, that has a method with
>> the prototype
>>
>> double getMinResid();
>>
>> I want to plot some histogram out of the tree viewer or with Draw() and
>> want to cut on this for example. Is this possible and if yes how. Of
>> course if it is not possible I could just save the output of the method
>> in the event as well.
>>
>> Thanks a bunch, Christian
>>
>
>
Received on Tue Aug 21 2007 - 07:24:01 CEST

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