Simplify ThcReactionPoint by inheriting from THaReactionPoint.

  Just replaces Process method.

src/THcReactionPoint.cxx

-//*-- Author :    Ole Hansen   13-Mar-03
+//*-- Author :    Mark Jones, March 2018
 
 #include "THcReactionPoint.h"
 #include "THaSpectrometer.h"
@@ -19,8 +19,7 @@ ClassImp(THcReactionPoint)
 //_____________________________________________________________________________
 THcReactionPoint::THcReactionPoint( const char* name, const char* description,
 				    const char* spectro, const char* beam ) :
-  THaPhysicsModule(name,description), fSpectroName(spectro), 
-  fBeamName(beam), fSpectro(NULL), fBeam(NULL)
+THaReactionPoint(name, description, spectro, beam)
 {
   // Normal constructor.
 
@@ -34,48 +33,6 @@ THcReactionPoint::~THcReactionPoint()
   DefineVariables( kDelete );
 }
 
-//_____________________________________________________________________________
-void THcReactionPoint::Clear( Option_t* opt )
-{
-  // Clear all event-by-event variables.
-  
-  THaPhysicsModule::Clear(opt);
-  VertexClear();
-}
-
-//_____________________________________________________________________________
-Int_t THcReactionPoint::DefineVariables( EMode mode )
-{
-  // Define/delete analysis variables
-
-  if( mode == kDefine && fIsSetup ) return kOK;
-  fIsSetup = ( mode == kDefine );
-
-  return DefineVarsFromList( THaVertexModule::GetRVarDef(), mode );
-}
-
-//_____________________________________________________________________________
-THaAnalysisObject::EStatus THcReactionPoint::Init( const TDatime& run_time )
-{
-  // Initialize the module.
-  // Locate the spectrometer apparatus named in fSpectroName and save
-  // pointer to it.
-
-  // Standard initialization. Calls this object's DefineVariables().
-  if( THaPhysicsModule::Init( run_time ) != kOK )
-    return fStatus;
-
-  fSpectro = static_cast<THaSpectrometer*>
-    ( FindModule( fSpectroName.Data(), "THaSpectrometer"));
-  if( !fSpectro )
-    return fStatus;
-
-  if( fBeamName.Length() > 0 )
-    fBeam = static_cast<THaBeam*>( FindModule( fBeamName.Data(), "THaBeam") );
-  
-  return fStatus;
-}
-
 //_____________________________________________________________________________
 Int_t THcReactionPoint::Process( const THaEvData& )
 {

src/THcReactionPoint.h

@@ -7,49 +7,20 @@
 //
 //////////////////////////////////////////////////////////////////////////
 
-#include "THaPhysicsModule.h"
-#include "THaVertexModule.h"
-#include "TString.h"
+#include "THaReactionPoint.h"
 
-class THaSpectrometer;
-class THaBeam;
-
-class THcReactionPoint : public THaPhysicsModule, public THaVertexModule {
+class THcReactionPoint : public THaReactionPoint {
   
 public:
   THcReactionPoint( const char* name, const char* description,
 		    const char* spectro="", const char* beam="" );
   virtual ~THcReactionPoint();
   
-  virtual void      Clear( Option_t* opt="" );
-
-  virtual EStatus   Init( const TDatime& run_time );
   virtual Int_t     Process( const THaEvData& );
-          void      SetSpectrometer( const char* name );
-          void      SetBeam( const char* name );
 
 protected:
 
-  TString                 fSpectroName;  // Name of spectrom. to consider
-  TString                 fBeamName;     // Name of beam position apparatus
-  THaSpectrometer*        fSpectro;      // Pointer to spectrometer object
-  THaBeam*                fBeam;         // Pointer to beam position apparatus
-
-  virtual Int_t DefineVariables( EMode mode = kDefine );
-
   ClassDef(THcReactionPoint,0)   //Single arm track-beam vertex module
 };
 
-//_________ inlines __________________________________________________________
-inline 
-void THcReactionPoint::SetSpectrometer( const char* name ) {
-  fSpectroName = name; 
-}
-
-//_____________________________________________________________________________
-inline
-void THcReactionPoint::SetBeam( const char* name ) {
-  fBeamName = name; 
-}
-
 #endif