Changeset 19307 for trunk/Mars/mhbase

Timestamp:

10/25/18 19:45:49 (6 years ago)

Author:

tbretz

Message:

That is another try to hopefully get something working. Works with root 6 for callisto and star.

File:

• trunk/Mars/mhbase/MFillH.cc (modified) (1 diff)

trunk/Mars/mhbase/MFillH.cc

@@ -606 +606 @@
     {
         const TString opt(MString::Format("nonew %s", fDrawOption.Data()));
-        // fCanvas->cd();
-        // fCanvas->Clear();
-
-        // Remove the old class to prevent clashes calling
-        // Paint-functions when the display is updated
+
+        // Remove the old class from the canvas to avoid that it is deleted
         fCanvas->GetListOfPrimitives()->Remove(fH);
-        fCanvas->GetListOfPrimitives()->Add(fH->Clone(), opt);
+
+        // change into canvas
+        fCanvas->cd();
+
+        // Now clear the canvas from everything fH might have added there
+        // (this should be done only if this is not called with 'same')
+        //fCanvas->Clear();           // already in MH::DrawClone()
+
+        // Make sure that TGraphs go to the correct pads
+        //gROOT->SetSelectedPad(0);   // already in MH::DrawClone()
+
+        // Now create a clone and draw it to the canvas
+        fH->DrawClone(opt);
+
+        // Make sure the update is displayed
         fCanvas->Modified();
         fCanvas->Update();