In muon-related macros in EVE:

[u/mrichter/AliRoot.git] / EVE / alice-macros / MUON_displayData.C

diff --git a/EVE/alice-macros/MUON_displayData.C b/EVE/alice-macros/MUON_displayData.C
index ea09a82fd1d6815922d2c071e45501bb8f1448a8..cf9436d1e6ace49b9061250547fef2c36950a605 100644 (file)
--- a/EVE/alice-macros/MUON_displayData.C
+++ b/EVE/alice-macros/MUON_displayData.C
@@ -7,6 +7,11 @@
  * full copyright notice.                                                 *
  **************************************************************************/
 
+/// \ingroup evemacros
+/// \file MUON_displayData.C
+///
+/// \author B. Vulpescu, LPC
+
 class AliEveMUONData;
 class AliEveEventManager;
 
@@ -15,8 +20,6 @@ AliEveMUONData     *g_muon_data       = 0;
 Int_t  g_currentEvent = -1;
 Bool_t g_fromRaw      = kFALSE;
 
-AliMagFMaps *g_field = 0;
-
 void MUON_displayData(Bool_t fromRaw = kFALSE, Bool_t showTracks = kTRUE, Bool_t clustersFromESD = kTRUE)
 {
   //
@@ -27,12 +30,9 @@ void MUON_displayData(Bool_t fromRaw = kFALSE, Bool_t showTracks = kTRUE, Bool_t
   if (!AliMpSegmentation::Instance()) AliMpCDB::LoadMpSegmentation();
   if (!AliMpDDLStore::Instance())     AliMpCDB::LoadDDLStore();
 
-  if (g_field == 0) {
-    printf("Loading field map...\n");
-    g_field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k5kG);
-    AliTracker::SetFieldMap(g_field, kFALSE);
-    AliMUONTrackExtrap::SetField(AliTracker::GetFieldMap());
-  }
+  // set the magnetic field for track extrapolations
+  AliEveEventManager::AssertMagField();
+  AliMUONTrackExtrap::SetField();
 
   TTree* dt = 0;
   TTree* ct = 0;