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ROOT and PyROOT tips and tricks

Updated on Fri, 2010-10-01 14:09. Originally created by jwebb on 2010-02-11 15:27.
The following snippet of code will add $ROOTSYS/lib to the path which python searches to load in modules. This enables one to use root in python scripts (PyROOT) without having to define the $PYTHONPATH environment variable.
 


This is how to make root go into batch mode from within a script




or a root macro...


 


How to silence root, suppress root warnings, suppress root errors, in otherwords, how to tell root to just shut up already. 
  


 






How to compile a ROOT code using ACLiC which depends on shared libraries:


 


ROOT:


$ # Create one or more Cint macros which load in the shared libraries your code requires
$ # then execute ROOT using the following signature:
$ root.exe LoadLib1.C LoadLib2.C ... LoadLibN.C code.c++





 


Some fun with python's first-class nature:







Fun with python introspection:



   

  
  
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