X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=FMD%2FAliFMDDetector.cxx;h=78cc6ffd1e8d988bcdb25fa3a531ba6148da2e42;hb=0b7685afdeeee754fedbb3039335957ad452253b;hp=4851e2469bb84049566cd1bde0ac94630d1a2b8c;hpb=f38b16535e46e28a81d875e6a66476b85fe80e8b;p=u%2Fmrichter%2FAliRoot.git

diff --git a/FMD/AliFMDDetector.cxx b/FMD/AliFMDDetector.cxx
index 4851e2469bb..78cc6ffd1e8 100644
--- a/FMD/AliFMDDetector.cxx
+++ b/FMD/AliFMDDetector.cxx
@@ -108,6 +108,7 @@ AliFMDDetector&
 AliFMDDetector::operator=(const AliFMDDetector& other)
 {
   // Assignment operator
+  if (&other == this) return *this; 
   SetName(other.GetName());
   SetTitle(other.GetTitle());
   fId              = other.fId;
@@ -188,6 +189,27 @@ AliFMDDetector::InitTransformations()
   if (fOuter && !fOuterTransforms) 
     fOuterTransforms = new TObjArray(fOuter->GetNModules());
   
+  // Loop over bottom/top 
+  for (size_t ihalf = 0; ihalf < 2; ihalf++) {
+    char  half = (ihalf == 0 ? 'T' : 'B');
+    TString path(Form(HALF_FORMAT, fId, half));
+    TGeoPNEntry* entry = gGeoManager->GetAlignableEntry(path.Data());
+    if (!entry) {
+      AliError(Form("Alignable entry for half-detector \"%s\" not found!", 
+		    path.Data()));
+      continue;
+    }
+    TGeoPhysicalNode* pn = entry->GetPhysicalNode();
+    if (!pn) {
+      AliWarning(Form("Making physical volume for \"%s\"", path.Data()));
+      pn = gGeoManager->MakeAlignablePN(entry);
+      if (!pn) {
+	AliError(Form("No physical node for \"%s\"", path.Data()));
+	continue;
+      }
+    }
+  }
+  
   // Loop over rings 
   for (size_t iring = 0; iring < 2; iring++) {
     char ring = (iring == 0 ? 'I' : 'O');
@@ -379,7 +401,7 @@ AliFMDDetector::SetAlignableVolumes() const
       case 'T': hasTop = true; break;
       case 'B': hasBottom = true; break;
       default:  
-	AliWarning(Form("Unknown part '%c' of FMD%d", fId));
+	AliWarning(Form("Unknown part '%c' of FMD%d", thisHalf, fId));
 	continue; // because the node is unknown. 
       }