Update of the QA code of the SDD: 1) SDD Checker: added protection in case only a...

[u/mrichter/AliRoot.git] / ITS / AliITSPlaneEffSDD.cxx

diff --git a/ITS/AliITSPlaneEffSDD.cxx b/ITS/AliITSPlaneEffSDD.cxx
index 45e9af9b7f244a45566e197667b095fb86d77b9f..95c347ddfb3824acb814fdd87bea34c0d8b3a345 100644 (file)
--- a/ITS/AliITSPlaneEffSDD.cxx
+++ b/ITS/AliITSPlaneEffSDD.cxx
@@ -23,7 +23,7 @@
 //
 ///////////////////////////////////////////////////////////////////////////
 
-/* $Id:$ */
+/* $Id$ */
 
 #include <TMath.h>
 #include <TH1F.h>
@@ -768,6 +768,9 @@ void AliITSPlaneEffSDD::InitHistos() {
   TString histnameClusErrX="HistClusErrX_mod_";
   TString histnameClusErrZ="HistClusErrZ_mod_";
 //
+
+  TH1::AddDirectory(kFALSE);
+
   fHisResX=new TH1F*[kNHisto];
   fHisResZ=new TH1F*[kNHisto];
   fHisResXZ=new TH2F*[kNHisto];
@@ -886,6 +889,9 @@ void AliITSPlaneEffSDD::InitHistos() {
     fHisClusErrZ[nhist]->SetTitle(aux.Data());
 
   }
+
+  TH1::AddDirectory(kTRUE);
+
 return;
 }
 //__________________________________________________________
@@ -1012,7 +1018,7 @@ Bool_t AliITSPlaneEffSDD::WriteHistosToFile(TString filename, Option_t* option)
   // Saves the histograms into a tree and saves the trees into a file
   //
   if (!fHis) return kFALSE;
-  if (filename.Data()=="") {
+  if (filename.IsNull() || filename.IsWhitespace()) {
      AliWarning("WriteHistosToFile: null output filename!");
      return kFALSE;
   }
@@ -1099,7 +1105,7 @@ Bool_t AliITSPlaneEffSDD::ReadHistosFromFile(TString filename) {
   // Read histograms from an already existing file 
   //
   if (!fHis) return kFALSE;
-  if (filename.Data()=="") {
+  if (filename.IsNull() || filename.IsWhitespace()) {
      AliWarning("ReadHistosFromFile: incorrect output filename!");
      return kFALSE;
   }