Index: trunk/MagicSoft/Mars/mpointing/MHPointing.cc
===================================================================
--- trunk/MagicSoft/Mars/mpointing/MHPointing.cc	(revision 7804)
+++ trunk/MagicSoft/Mars/mpointing/MHPointing.cc	(revision 7842)
@@ -111,10 +111,4 @@
     //InitGraph(fPosAz);
 
-    fDevTimeSG.SetMinimum(0);
-    fDevTimeCosy.SetMinimum(0);
-    fBrightness.SetMinimum(0);
-    fNumStars.SetMinimum(0);
-    fNumStarsCor.SetMinimum(0);
-
     fDevTimeSG.SetMarkerColor(kBlue);
     fDevZd.SetMarkerColor(kBlue);
@@ -324,4 +318,16 @@
 void MHPointing::Paint(Option_t *o)
 {
+    // If this is set to early the plot remains empty in root 5.12/00
+    if (fDevTimeSG.GetN()>0)
+        fDevTimeSG.SetMinimum(0);
+    if (fDevTimeCosy.GetN()>0)
+        fDevTimeCosy.SetMinimum(0);
+    if (fBrightness.GetN()>0)
+        fBrightness.SetMinimum(0);
+    if (fNumStars.GetN()>0)
+        fNumStars.SetMinimum(0);
+    if (fNumStarsCor.GetN()>0)
+        fNumStarsCor.SetMinimum(0);
+
     DrawGraph(fDevTimeSG,   "\\Delta [arcmin]");
     DrawGraph(fDevTimeCosy, "\\Delta [arcmin]");