[Urgent]cannot open file "ExRootAnalysis/ExRootAnalysis.h"

ROOT
1

Hi,

I am new to ExRooTAnalysis, and recently want to make use of ROOT and this package to do some analysis.

However, when I try #include “ExRootAnalysis/ExRootAnalysis.h” in my (let’s say) analysis.C, in the root terminal,

[0] .x analysis.C()

it gives:
Error: cannot open file “ExRootAnalysis/ExRootAnalysis.h” (tmpfile):2:
*** Interpreter error recovered ***

But before that, I already set in the ~/.bash that

export ROOTSYS=/usr/local/root
export PATH=$ROOTSYS/bin:$PATH
export LD_LIBRARY_PATH=$ROOTSYS/lib:$HOME/Desktop/MG5/ExRootAnalysis:$LD_LIBRARY_PATH
export DYLD_LIBRARY_PATH=$ROOTSYS/lib:$DYLD_LIBRARY_PATH

I am wondering what else I am supposed to set further…

Your helps are always welcome and highly appreciated.

Best,
John

2

Hi John,

Cheers, Bertrand.

3

[quote=“bellenot”]Hi John,

Cheers, Bertrand.[/quote]

Hi Bertrand,

Thank you so much for your help. I can finally include the package. However, when I try to “.L analysis.C”, in which the content is:

[code]#include “ExRootAnalysis/ExRootAnalysis.h”
#include

void analysis() {
cout<<“Hello World!”<<endl;
}[/code]

it comes up with the following warning:

Info in <TUnixSystem::ACLiC>: creating shared library /home/xxx/Desktop/analysis/./analysis_C.so In file included from /home/xxx/Desktop/MG5/ExRootAnalysis/ExRootAnalysis/ExRootTask.h:16:0, from /home/xxx/Desktop/MG5/ExRootAnalysis/ExRootAnalysis/ExRootAnalysis.h:17, from /home/xxx/Desktop/analysis/./analysis.C:1, from /home/xxx/Desktop/analysis/analysis_C_ACLiC_dict.h:34, from /home/xxx/Desktop/analysis/analysis_C_ACLiC_dict.cxx:17: /usr/local/root/include/TTask.h:60:18: warning: ‘virtual void TTask::Clear(Option_t*)’ was hidden [-Woverloaded-virtual] virtual void Clear(Option_t *option=""); ^ In file included from /home/xxx/Desktop/analysis/./analysis.C:1:0, from /home/xxx/Desktop/analysis/analysis_C_ACLiC_dict.h:34, from /home/xxx/Desktop/analysis/analysis_C_ACLiC_dict.cxx:17: /home/xxx/Desktop/MG5/ExRootAnalysis/ExRootAnalysis/ExRootAnalysis.h:50:16: warning: by ‘virtual void ExRootAnalysis::Clear()’ [-Woverloaded-virtual] virtual void Clear(); ^

Are there any thing wrong with my ExRootAnalysis?

Thanks,
Hong

4

You’re welcome! And the warning tells you that TTask::Clear(Option_t*) is hidden by ExRootAnalysis::Clear() (this is a warning coming from the implementation of ExRootAnalysis). See for example Why does an overridden function in the derived class hide other overloads of the base class?

Cheers, Bertrand.

5

Hi Bertrand,

Thank you so much for your patient.
I found that if I “.X analysis.C()” instead of “.L analysis.C”, it works very properly.

Thank you for your help once again.

Best,
John