newly added. Not for productive used yetsvn diff | grep Index:

src/tests/nemuRootFileRead/nemuRootFileRead.cpp

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+#include <iostream>
+using namespace std;
+
+#include <TROOT.h>
+#include <TSystem.h>
+#include <TFile.h>
+#include <TFolder.h>
+#include <TH1F.h>
+
+#include "TLemRunHeader.h"
+
+int main(int argc, char *argv[])
+{
+  if (argc != 2) {
+    cout << endl;
+    cout << "SYNTAX: nemuRootFileRead PathFileName";
+    cout << endl;
+    return 1;
+  }
+
+  TROOT root("nemuRootFileRead", "nemuRootFileRead", 0);
+
+  // get file name
+  char *str = gSystem->ExpandPathName(argv[1]);
+
+  // check that the file name exists
+  if (gSystem->AccessPathName(str)==true) {
+    cout << endl << "file " << str << " doesn't exist :-(" << endl;
+    cout << endl << "will quit now ..." << endl;
+    return 1;
+  }
+
+  // define file
+  TFile f(str);
+  if (f.IsZombie()) {
+    cout << endl << "couldn't open file " << str << endl;
+    cout << endl << "will quit now ..." << endl;
+    return 1;
+  }
+
+  cout << endl << "opened file " << str;
+
+  // get RunInfo Folder
+  TFolder *folder = 0;
+  f.GetObject("RunInfo", folder);
+
+  // check if RunInfo Folder is valid
+  if (!folder) {
+    cout << endl << "Couldn't obtain RunInfo folder from ROOT file " << str;
+    cout << endl << "will quit now ..." << endl;
+    return 1;
+  }
+
+  // get run header
+  TLemRunHeader *runHeader = dynamic_cast<TLemRunHeader*>(folder->FindObjectAny("TLemRunHeader"));
+
+  // check if run header is valid
+  if (!runHeader) {
+    cout << endl << "Couldn't obtain run header info from ROOT file " << str;
+    cout << endl << "will quit now ..." << endl;
+    return 1;
+  }
+
+  cout << endl << "Run No   : " << runHeader->GetRunNumber();
+  cout << endl << "Run Title: " << runHeader->GetRunTitle().GetString().Data();
+
+  // get histos folder
+  f.GetObject("histos", folder);
+
+  // check if histos Folder is valid
+  if (!folder) {
+    cout << endl << "Couldn't obtain histos folder from ROOT file " << str;
+    cout << endl << "will quit now ..." << endl;
+    return 1;
+  }
+
+  // get histo hDecay00
+  TH1F *histo = dynamic_cast<TH1F*>(folder->FindObject("DecayAnaModule/hDecay00"));
+
+  // check if histo hDecay00 was found
+  if (!histo) {
+    cout << endl << "Couldn't obtain hDecay00 histo from ROOT file " << str;
+    cout << endl << "will quit now ..." << endl;
+    return 1;
+  }
+
+  // print out first 10 values of hDecay00 and some other info
+  cout << endl << "hDecay00: No of Bins: " << histo->GetNbinsX();
+  int max;
+  if (max > histo->GetNbinsX())
+    max = histo->GetNbinsX();
+  else
+    max = 10;
+  cout << endl << "hDecay00: Data:";
+  for (int i=0; i<max; i++) {
+    cout << endl << i << ": " << histo->GetBinContent(i+1);
+  }
+
+  if (f.IsOpen())
+    f.Close();
+
+  cout << endl << "closed file .." << endl;
+
+  if (str)
+    delete str;
+
+  cout << endl;
+
+  return 0;
+}

src/tests/nemuRootFileRead/nemuRootFileRead.pro

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+#------------------------------------------------------
+# nemuRootFileRead.pro
+# qmake file for rootSystemTest
+#
+# Andreas Suter, 2007/05/14
+#
+# $Id$
+#
+#------------------------------------------------------
+
+MAKEFILE = Makefile
+
+CONFIG += warn_on debug
+
+SOURCES = nemuRootFileRead.cpp \
+
+INCLUDEPATH += $$(ROOTSYS)/include
+
+ROOTLIBS = -lCore -lCint -lRIO -lGraf -lGraf3d -lGpad -lHist -lMatrix -lMinuit -lGui
+NEMULIBS = -lTLemRunHeader
+unix:LIBS += -L$$(ROOTSYS)/lib $${ROOTLIBS} $${NEMULIBS} -lbsd -lm -ldl -lutil
+
+TARGET=nemuRootFileRead