Example macros for using AliAODv0 class

[u/mrichter/AliRoot.git] / TFluka / abscff.cxx

diff --git a/TFluka/abscff.cxx b/TFluka/abscff.cxx
index e023c78d38521b7548f9c777d6cc1f4ffbb7fcca..94967baaa9a67cb9a7bd439fe89657e64c140162 100644 (file)
--- a/TFluka/abscff.cxx
+++ b/TFluka/abscff.cxx
@@ -1,16 +1,41 @@
 #include "Fdimpar.h"  //(DIMPAR) fluka include
 #include "Ftrackr.h"  //(TRACKR) fluka common
 #include "Fiounit.h"  //(IOUNIT) fluka common
+#include "TFluka.h"
+#include "TGeoMaterial.h"
+#include "TFlukaCerenkov.h"
+
+
 #ifndef WIN32
 # define abscff abscff_
 #else
 # define abscff ABSCFF
 #endif
 extern "C" {
-Double_t abscff(Double_t& wvlngt, Double_t& omgpho, Int_t& mmat)
+Double_t abscff(Double_t& wvlngt, Double_t& /*omgpho*/, Int_t& mmat)
 {
-    printf("abscff called  %e %e %d \n", wvlngt, omgpho, mmat);
-    return (0.);
+//    printf("abscff%f %d\n", wvlngt, mmat);
+    
+//
+//  Return absorption length  for given photon energy and material
+//
+    
+    TFluka* fluka =  (TFluka*) gMC;
+//
+//  Check if stopping has been required by user
+//
+    if (fluka->GetStoppingCondition()) {
+       fluka->ResetStoppingCondition();
+       return (1.e15);
+    }
+//
+//  Get absorption coefficient for current material
+//    
+    TGeoMaterial*    material =  (TGeoMaterial*) (fluka->GetFlukaMaterials())->At(fluka->GetMaterialIndex(mmat));
+    TFlukaCerenkov*  cerenkov = dynamic_cast<TFlukaCerenkov*> (material->GetCerenkovProperties());
+    Double_t y = (cerenkov->GetAbsorptionCoefficientByWaveLength(wvlngt));
+    return (y);
+    
 }
 }