merge of 'a811ebb127776adf15e6ec53d7655a89c2d0fdb2'

     and 'd2cc3bbdd3b169537236a706a70a7dcd9c5891dc'

NPAnalysis/RRC66/RunToTreat.txt

 TTreeName 
-	SimulatedTree
+	t1
 RootFileName 
-	../../Outputs/Simulation/myResult.root
+	/media/rc66_1/data/runROOT/20umTest/si20um_test0089.root

NPLib/IORoot/RootInput.cxx

@@ -270,3 +270,11 @@ RootInput::~RootInput()
    delete pRootFile;
    delete pRootChain;
 }
+
+/////////////////////////////////////////////////////////////////////
+TChain* MakeFriendTrees(string RunToRead1,string RunToRead2)
+   {
+      RootInput:: getInstance(RunToRead1)	;
+      RootInput:: getInstance()->AddFriendChain(RunToRead2);
+      return RootInput:: getInstance()->GetChain();
+   }

NPLib/IORoot/RootInput.h

@@ -79,4 +79,7 @@ private:
    int NumberOfFriend;
 };
 
+// A convenient function related to Root Input, coded Here so it can be called within ROOT CINT
+TChain* MakeFriendTrees(string,string);
+
 #endif // ROOTINPUT_HH

NPLib/scripts/NPToolLogon.C

@@ -69,6 +69,8 @@ void NPToolLogon(bool verbosemode = false)
       }
    }
    
+   gROOT->ProcessLine(".L $NPLIB/include/RootInput.h+");   
+   
    // Since the libdir.GetListOfFiles() commands cds to the
    // libidr directory, one has to return to the initial
    // directory