Add class description

[u/mrichter/AliRoot.git] / MUON / AliMUONSt2GeometryBuilder.cxx

diff --git a/MUON/AliMUONSt2GeometryBuilder.cxx b/MUON/AliMUONSt2GeometryBuilder.cxx
index fba86b7d7ade57a9c6e4e173a40e4a8b7f47f422..1074a069cbc4deb6fc7ba29739a971dc36b76551 100644 (file)
--- a/MUON/AliMUONSt2GeometryBuilder.cxx
+++ b/MUON/AliMUONSt2GeometryBuilder.cxx
@@ -214,6 +214,10 @@ void AliMUONSt2GeometryBuilder::SetTransformations()
 // Defines the transformations for the station2 chambers.
 // ---
 
+  // Define chamber volumes as virtual
+  SetVolume(2, "SC03", true);
+  SetVolume(3, "SC04", true);
+
   Double_t zpos1 = - AliMUONConstants::DefaultChamberZ(2); 
   SetTranslation(2, TGeoTranslation(0., 0., zpos1));