A new macro, based on Jiri's that will produce Digits from SDigits.

diff --git a/ITS/AliITSMerge.C b/ITS/AliITSMerge.C
new file mode 100644 (file)
index 0000000..eaf924f
--- /dev/null
+++ b/ITS/AliITSMerge.C
@@ -0,0 +1,31 @@
+void AliITSMerge(Int_t Nfiles=1,const char* file0="galice.root",
+                const char* file1="galice_bg.root"){
+    //
+ 
+    TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(file0);
+    if (file) {file->Close(); delete file;}
+    cout << "AliITSMerge" << endl;
+    file = new TFile(file0,"UPDATE");
+    if (!file->IsOpen()) {
+        cerr<<"Can't open "<<file0<<" !" << endl;
+        return;
+    } // end if !file
+    file->ls();
+ 
+    // Get AliRun object from file or return if not on file
+    if (gAlice) delete gAlice;
+    gAlice = (AliRun*)file->Get("gAlice");
+    if (!gAlice) {
+        cerr << "AliITSMerge.C : AliRun object not found on file" << endl;
+        return;
+    } // end if !gAlice
+
+    if(Nfiles>2) Nfiles = 2;
+    if(Nfiles<1) Nfiles = 1;
+    AliRunDigitizer *manager = new AliRunDigitizer(Nfiles,1); 
+    manager->SetInputStream(0,file0);
+    if(Nfiles>1) manager->SetInputStream(1,file1);
+    manager->SetOutputFile(file0);
+    AliITSDigitizer *dITS = new AliITSDigitizer(manager);
+    manager->Exec("");
+}