diff --git a/core/field/CbmBsField.cxx b/core/field/CbmBsField.cxx
index fbe724947ba0326091ab20c755703a3f68d70c2a..c12c858d8ebc0edddd8ce68bf1dc8db1030637e4 100644
--- a/core/field/CbmBsField.cxx
+++ b/core/field/CbmBsField.cxx
@@ -182,16 +182,25 @@ void CbmBsField::CalculateMapFromBs(Int_t pNx, Int_t pNy, Int_t pNz) {
void CbmBsField::writeBsRootfile(const char* name) // Write Field Splined
{
- TFile* oldfile = gFile;
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
+
TFile* f = new TFile(name, "RECREATE");
this->Write();
f->Close();
- if (oldfile) oldfile->cd();
+
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
}
void CbmBsField::readBsRootfile(const char* name) // Read Field Splined
{
- TFile* oldfile = gFile;
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
+
TFile* f = new TFile(name, "READ");
if (f->IsZombie()) {
cout << "-E- CbmBsField::readBsRootfile: can not read from file: " << endl;
@@ -219,7 +228,10 @@ void CbmBsField::readBsRootfile(const char* name) // Read Field Splined
fZ = new TArrayF(*fnew->GetZ());
f->Close();
- if (oldfile) oldfile->cd();
+
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
UX1 = fX->GetArray();
UX2 = fY->GetArray();
diff --git a/core/field/CbmFieldMap.cxx b/core/field/CbmFieldMap.cxx
index 59c831e7c4ba2cc00163d9853516e7c0da71ad3d..c3a7f90cf6df05e04d7aab913849790d8b377c30 100644
--- a/core/field/CbmFieldMap.cxx
+++ b/core/field/CbmFieldMap.cxx
@@ -536,11 +536,18 @@ void CbmFieldMap::WriteAsciiFile(const char* fileName) {
void CbmFieldMap::WriteRootFile(const char* fileName, const char* mapName) {
CbmFieldMapData* data = new CbmFieldMapData(mapName, *this);
- TFile* oldFile = gFile;
+
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
+
TFile* file = new TFile(fileName, "RECREATE");
data->Write();
file->Close();
- if (oldFile) oldFile->cd();
+
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
}
// ------------------------------------------------------------------------
@@ -696,9 +703,9 @@ void CbmFieldMap::ReadAsciiFile(const char* fileName) {
// ------------- Read field map from ROOT file (private) ---------------
void CbmFieldMap::ReadRootFile(const char* fileName, const char* mapName) {
-
- // Store gFile pointer
- TFile* oldFile = gFile;
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
// Open root file
LOG(info) << "CbmFieldMap: Reading field map from ROOT file " << fileName;
@@ -723,7 +730,10 @@ void CbmFieldMap::ReadRootFile(const char* fileName, const char* mapName) {
// Close the root file and delete the data object
file->Close();
delete data;
- if (oldFile) oldFile->cd();
+
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
}
// ------------------------------------------------------------------------
diff --git a/core/field/CbmFieldMapDistorted.cxx b/core/field/CbmFieldMapDistorted.cxx
index 112ee0b9ce20660c1c3a1060b859be7701a0fd8e..afd117a1d1809c6b3d2a43d53076365e80d873e3 100644
--- a/core/field/CbmFieldMapDistorted.cxx
+++ b/core/field/CbmFieldMapDistorted.cxx
@@ -265,8 +265,10 @@ void CbmFieldMapDistorted::SetFromParent(FairField* field) {
// ----------- Read Distortion Formulas from Distortion File ------------------------------------------
void CbmFieldMapDistorted::ReadDistortionInformation(const char* filename) {
- TFile* filesave = gFile;
- gFile = 0;
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
+
if (filename) {
if (strlen(filename)) { fDistortionFilename = filename; }
}
@@ -299,13 +301,16 @@ void CbmFieldMapDistorted::ReadDistortionInformation(const char* filename) {
}
}
}
- gFile = filesave;
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
}
// ----------- Write Distortion Formulas to Distortion File ------------------------------------------
void CbmFieldMapDistorted::WriteDistortionInformation(const char* filename) {
- TFile* filesave = gFile;
- gFile = 0;
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
if (filename) {
if (strlen(filename)) { fDistortionFilename = filename; }
@@ -336,7 +341,9 @@ void CbmFieldMapDistorted::WriteDistortionInformation(const char* filename) {
}
}
}
- gFile = filesave;
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
}
// ---------------Getter and Setter for Distortion Formulas------------------------------
diff --git a/reco/qa/CbmRecoQa.cxx b/reco/qa/CbmRecoQa.cxx
index d403b5c0f93701e1d73745cdb6d69a0032fd24ea..f535ff91b94a30e6b139c98b36d392026bfa3f6d 100644
--- a/reco/qa/CbmRecoQa.cxx
+++ b/reco/qa/CbmRecoQa.cxx
@@ -181,6 +181,9 @@ void CbmRecoQa::FinishEvent() {
// --- Finish Task
// Save Data in File
void CbmRecoQa::FinishTask() {
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
std::string filename = outname + ".qa.hists.root";
pullresfile = new TFile(filename.c_str(), "Recreate");
@@ -196,6 +199,12 @@ void CbmRecoQa::FinishTask() {
}
gDirectory->cd("..");
}
+
+ pullresfile->Close();
+
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
}
// --- Write Data in Historgrams, depending on detectorw
diff --git a/sim/transport/generators/CbmUnigenGenerator.cxx b/sim/transport/generators/CbmUnigenGenerator.cxx
index c9719e51e5d63d350da4e749b776fe12fc4d29de..56e686a5166f9b40707dbeff6fd4badf385b2197 100644
--- a/sim/transport/generators/CbmUnigenGenerator.cxx
+++ b/sim/transport/generators/CbmUnigenGenerator.cxx
@@ -158,9 +158,17 @@ Bool_t CbmUnigenGenerator::Init() {
}
LOG(INFO) << GetName() << ": Mode " << ss.str();
+ /// Save old global file and folder pointer to avoid messing with FairRoot
+ TFile* oldFile = gFile;
+ TDirectory* oldDir = gDirectory;
// --- Try to open file
fFile = new TFile(fFileName, "READ");
+
+ /// Restore old global file and folder pointer to avoid messing with FairRoot
+ gFile = oldFile;
+ gDirectory = oldDir;
+
if (!fFile->IsOpen()) {
LOG(error) << GetName() << ": Could not open input file " << fFileName;
return kFALSE;