Routines interfaced to TFlukaCerenkov and TFlukaGeo.

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

diff --git a/TFluka/abscff.cxx b/TFluka/abscff.cxx
index e023c78d38521b7548f9c777d6cc1f4ffbb7fcca..a0d49f2f7b385bf5d4d9b49ced053d9cedf5a6c0 100644 (file)
--- a/TFluka/abscff.cxx
+++ b/TFluka/abscff.cxx
@@ -1,6 +1,12 @@
 #include "Fdimpar.h"  //(DIMPAR) fluka include
 #include "Ftrackr.h"  //(TRACKR) fluka common
 #include "Fiounit.h"  //(IOUNIT) fluka common
+#include "TFlukaGeo.h"
+#include "TGeoMaterial.h"
+#include "TFlukaCerenkov.h"
+#include "TGeoManager.h"
+
+
 #ifndef WIN32
 # define abscff abscff_
 #else
@@ -9,8 +15,15 @@
 extern "C" {
 Double_t abscff(Double_t& wvlngt, Double_t& omgpho, Int_t& mmat)
 {
-    printf("abscff called  %e %e %d \n", wvlngt, omgpho, mmat);
-    return (0.);
+//
+//  Return absorption length  for given photon energy and material
+//
+    TFluka* fluka =  (TFluka*) gMC;
+    TGeoMaterial*    material =  (TGeoMaterial*) (gGeoManager->GetListOfMaterials())->At(fluka->GetMaterialIndex(mmat));
+    TFlukaCerenkov*  cerenkov = dynamic_cast<TFlukaCerenkov*> (material->GetCerenkovProperties());
+    Double_t y = (cerenkov->GetAbsorptionCoefficientByWaveLength(wvlngt));
+    return (y);
+    
 }
 }