Changeset 17125 for trunk/Mars/mhbase

Timestamp:

09/07/13 10:25:43 (11 years ago)

Author:

tbretz

Message:

Secured PostProcess agianst never initialized fH, add the fH Clone to the pad directly ourselves.

File:

• trunk/Mars/mhbase/MFillH.cc (modified) (2 diffs)

trunk/Mars/mhbase/MFillH.cc

@@ -581 +581 @@
 Int_t MFillH::PostProcess()
 {
+    // Return if fH was never initialized.
+    if (!fH)
+        return kTRUE;
+
     //
     // Now all data is in the histogram. Maybe some final action is
@@ -602 +606 @@
     {
         const TString opt(MString::Format("nonew %s", fDrawOption.Data()));
-        fCanvas->cd();
+        // fCanvas->cd();
+        // fCanvas->Clear();
+
         // Remove the old class to prevent clashes calling
         // Paint-functions when the display is updated
         fCanvas->GetListOfPrimitives()->Remove(fH);
-        // DrawClone also takes care of calling gPad->Clear()
-        fH->DrawClone(opt);
+        fCanvas->GetListOfPrimitives()->Add(fH->Clone(), opt);
         fCanvas->Modified();
         fCanvas->Update();