diff -u -r1.1.1.1 -r1.2
--- CamKalmanStepper.java	10 Dec 2008 22:02:35 -0000	1.1.1.1
+++ CamKalmanStepper.java	10 Mar 2011 02:07:01 -0000	1.2
@@ -337,14 +337,14 @@

     double [] p={gevTomev*kRp[3],gevTomev*kRp[4],gevTomev*kRp[5]};
     if(Debug)System.out.println("MeV px="+p[0]+" py="+p[1]+" pz="+p[2]);
     MaterialManager manager = MaterialManager.instance();

-    try{
-    org.lcsim.material.Material mat  = manager.findMaterial(materialName);

+    //try{
+    org.lcsim.material.Material mat  = manager.getMaterial(materialName);

      double oneCm=1.;
      dedx = MaterialCalculator.computeBetheBloch(mat, p,(1000*mass), kQ, oneCm);// dedx MeV/cm
     if(Debug)System.out.println("getDeDx !!! dedx(MeV/cm)="+dedx);
      dedx*=mevTogev/cmTomm;
      if(Debug)System.out.println("getDeDx !!! dedx(GeV/mm)="+dedx);

-     } catch (MaterialNotFoundException e){}

+     //} catch (MaterialNotFoundException e){}

 	 if(dedx<=0.) return 1e-10;
      return dedx;
     }

@@ -353,13 +353,13 @@

     MaterialManager manager = MaterialManager.instance();
     double radLength=1.E-14;
     double density=1.E-13;

-    try{
-    org.lcsim.material.Material mat  = manager.findMaterial(materialName);

+    //try{
+    org.lcsim.material.Material mat  = manager.getMaterial(materialName);

     double zeff = mat.getZeff();
     double aeff = mat.getAeff();
     density= mat.getDensity();
     radLength=MaterialCalculator.computeRadiationLengthTsai(aeff,zeff);

-     } catch (MaterialNotFoundException e){}

+     //} catch (MaterialNotFoundException e){}

      if(radLength<=0.) return 1.e-14;
       return (radLength/density); // in cm
   }