loon: BFieldSR.cxx Source File

00001 #include <iostream>
00002 #include <string>
00003 
00004 #include "BField/BField.h"
00005 #include "CandFitTrackSR/BFieldSR.h"
00006 #include "Conventions/Detector.h"
00007 #include "Validity/VldContext.h"
00008 #include "MessageService/MsgService.h"
00009 #include <cassert>
00010 
00011 //______________________________________________________________________
00012 CVSID("$Id: BFieldSR.cxx,v 1.8 2007/11/11 08:44:45 rhatcher Exp $");
00013 
00014 //------------------------------------------------------------------
00015 BFieldSR::BFieldSR(const VldContext *vldc)
00016 {
00017 
00018   bf = 0;
00019   switch (vldc->GetDetector()) {
00020   case Detector::kFar:
00021     bf = new BField(*vldc);
00022     break;
00023   case Detector::kNear:
00024     bf = new BField(*vldc);
00025     break;
00026   default:
00027      MSG("CandFitTrackSR",Msg::kWarning)
00028         << "BFieldSR does not exist for "
00029         << Detector::AsString(vldc->GetDetector())
00030         << " detector " << endl;
00031   }
00032 }
00033 
00034 BFieldSR::~BFieldSR()
00035 {
00036   if (bf) {
00037     delete bf;
00038   }
00039 }
00040 
00041 TVector3 BFieldSR::GetBField(TVector3 &xyz)
00042 {
00043   if (bf) 
00044     return bf->GetBField(xyz);
00045   else
00046     return TVector3(0.,0.,0.);
00047 }