Index: trunk/MagicSoft/Mars/mhist/MFillHFadc.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MFillHFadc.cc	(revision 851)
+++ trunk/MagicSoft/Mars/mhist/MFillHFadc.cc	(revision 852)
@@ -108,4 +108,9 @@
 
     return kTRUE;
+}
 
+Bool_t MFillHFadc::PostProcess()
+{
+    fHistos->SetHasChanged();
+    return kTRUE;
 }
Index: trunk/MagicSoft/Mars/mhist/MFillHFadc.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MFillHFadc.h	(revision 851)
+++ trunk/MagicSoft/Mars/mhist/MFillHFadc.h	(revision 852)
@@ -14,17 +14,18 @@
 class MRawEvtData;
 
-class MFillHFadc : public MTask {
- private:
-  MRawEvtData *fRawEvtData; // The raw event data from which the spektrum is created
-  MHFadcCam   *fHistos ;    // The histogram container into which holds the spektrum
+class MFillHFadc : public MTask
+{
+private:
+    MRawEvtData *fRawEvtData; // The raw event data from which the spektrum is created
+    MHFadcCam   *fHistos ;    // The histogram container into which holds the spektrum
 
- public:   
-  MFillHFadc (const char *name=NULL, const char *title=NULL); 
+public:
+    MFillHFadc (const char *name=NULL, const char *title=NULL);
 
-  Bool_t PreProcess(MParList *pList);
-  Bool_t Process() ;
-  
-  ClassDef(MFillHFadc, 0)  // Task to fill the fadc data into histograms
+    Bool_t PreProcess(MParList *pList);
+    Bool_t Process();
+    Bool_t PostProcess();
 
+    ClassDef(MFillHFadc, 0)  // Task to fill the fadc data into histograms
 };
     
Index: trunk/MagicSoft/Mars/mhist/MFillHHillas.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MFillHHillas.cc	(revision 851)
+++ trunk/MagicSoft/Mars/mhist/MFillHHillas.cc	(revision 852)
@@ -72,2 +72,8 @@
     return kTRUE;
 } 
+
+Bool_t MFillHHillas::PostProcess()
+{
+    fHistos->SetHasChanged();
+    return kTRUE;
+}
Index: trunk/MagicSoft/Mars/mhist/MFillHHillas.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MFillHHillas.h	(revision 851)
+++ trunk/MagicSoft/Mars/mhist/MFillHHillas.h	(revision 852)
@@ -23,5 +23,6 @@
 
   Bool_t PreProcess(MParList *pList);
-  Bool_t Process() ;
+  Bool_t Process();
+  Bool_t PostProcess();
   
   ClassDef(MFillHHillas, 0) // Task to fill the Hillas parameters into histograms
Index: trunk/MagicSoft/Mars/mhist/MFillHStarMap.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MFillHStarMap.cc	(revision 851)
+++ trunk/MagicSoft/Mars/mhist/MFillHStarMap.cc	(revision 852)
@@ -73,2 +73,9 @@
     return kTRUE;
 } 
+
+Bool_t MFillHStarMap::PostProcess()
+{
+    fHistos->SetHasChanged();
+
+    return kTRUE;
+} 
Index: trunk/MagicSoft/Mars/mhist/MFillHStarMap.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MFillHStarMap.h	(revision 851)
+++ trunk/MagicSoft/Mars/mhist/MFillHStarMap.h	(revision 852)
@@ -23,5 +23,6 @@
 
   Bool_t PreProcess(MParList *pList);
-  Bool_t Process() ;
+  Bool_t Process();
+  Bool_t PostProcess();
   
   ClassDef(MFillHStarMap, 0) // Task to fill a 2-dim histogram by the Hillas parameters
Index: trunk/MagicSoft/Mars/mhist/MHHillas.cc
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHHillas.cc	(revision 851)
+++ trunk/MagicSoft/Mars/mhist/MHHillas.cc	(revision 852)
@@ -74,10 +74,14 @@
 
     c->cd(1);
+    fAlpha->SetBit(kCanDelete);
     fAlpha->Draw();
     c->cd(2);
+    fLength->SetBit(kCanDelete);
     fLength->Draw();
     c->cd(3);
+    fDist->SetBit(kCanDelete);
     fDist->Draw();
     c->cd(4);
+    fWidth->SetBit(kCanDelete);
     fWidth->Draw();