Added a nudge parameter

src/evb/CompassRun.cpp

@@ -369,7 +369,7 @@ namespace EventBuilder {
 		startIndex = 0;
 		CoincEvent this_event;
 		SlowSort coincidizer(m_params.slowCoincidenceWindow, m_params.channelMapFile);
-		SFPAnalyzer analyzer(m_params.ZT, m_params.AT, m_params.ZP, m_params.AP, m_params.ZE, m_params.AE, m_params.beamEnergy, m_params.spsAngle, m_params.BField);
+		SFPAnalyzer analyzer(m_params);
 	
 		std::vector<TParameter<Double_t>> parvec;
 		parvec.reserve(9);
@@ -459,7 +459,7 @@ namespace EventBuilder {
 		std::vector<CoincEvent> fast_events;
 		SlowSort coincidizer(m_params.slowCoincidenceWindow, m_params.channelMapFile);
 		FastSort speedyCoincidizer(m_params.fastCoincidenceWindowSABRE, m_params.fastCoincidenceWindowIonCh);
-		SFPAnalyzer analyzer(m_params.ZT, m_params.AT, m_params.ZP, m_params.AP, m_params.ZE, m_params.AE, m_params.beamEnergy, m_params.spsAngle, m_params.BField);
+		SFPAnalyzer analyzer(m_params);
 	
 		std::vector<TParameter<Double_t>> parvec;
 		parvec.reserve(9);

src/evb/EVBApp.cpp

@@ -72,6 +72,7 @@ namespace EventBuilder {
 		m_params.BField = data["BField(kG)"].as<double>();
 		m_params.beamEnergy = data["BeamEnergy(MeV)"].as<double>();
 		m_params.spsAngle = data["SPSAngle(deg)"].as<double>();
+		m_params.nudge = data["Nudge(cm)"].as<double>();
 		m_params.runMin = data["MinRun"].as<int>();
 		m_params.runMax = data["MaxRun"].as<int>();
 	
@@ -116,6 +117,7 @@ namespace EventBuilder {
 		yamlStream << YAML::Key << "BField(kG)" << YAML::Value << m_params.BField;
 		yamlStream << YAML::Key << "BeamEnergy(MeV)" << YAML::Value << m_params.beamEnergy;
 		yamlStream << YAML::Key << "SPSAngle(deg)" << YAML::Value << m_params.spsAngle;
+		yamlStream << YAML::Key << "Nudge(cm)" << YAML::Value << m_params.nudge;
 		yamlStream << YAML::Key << "MinRun" << YAML::Value << m_params.runMin;
 		yamlStream << YAML::Key << "MaxRun" << YAML::Value << m_params.runMax;
 		yamlStream << YAML::EndMap;

src/evb/FP_kinematics.cpp

@@ -40,7 +40,7 @@ namespace EventBuilder {
 	//requires (Z,A) for T, P, and E, as well as energy of P,
 	// spectrograph angle of interest, and field value
 	double DeltaZ(int ZT, int AT, int ZP, int AP, int ZE, int AE,
-		       double EP, double angle, double B) 
+		       double EP, double angle, double B, double nudge) 
 	{
 	
 		/* CONSTANTS */
@@ -94,7 +94,7 @@ namespace EventBuilder {
 		double K = (std::sqrt(mp*me*EP / ejectileEnergy) * std::sin(angle)) /
 				   (me + mr - std::sqrt(mp*me*EP / ejectileEnergy) * std::cos(angle));
 
-		return -1.0*rho*s_dispersion*s_magnification*K * std::cos(s_centralTrajAngle); //delta-Z in cm
+		return -1.0*rho*s_dispersion*s_magnification*K * std::cos(s_centralTrajAngle) + nudge; //delta-Z in cm
 	
 	}
 	

src/evb/FP_kinematics.h

@@ -39,7 +39,7 @@ namespace EventBuilder {
      //requires (Z,A) for T, P, and E, as well as energy of P,
      // spectrograph angle of interest, and field value
      double DeltaZ(int ZT, int AT, int ZP, int AP, int ZE, int AE,
-     	       double EP, double angle, double B); 
+     	       double EP, double angle, double B, double nudge = 0); 
      
      static constexpr double WireDist() { return 4.28625; } //cm
 

src/evb/SFPAnalyzer.cpp

@@ -14,10 +14,11 @@
 namespace EventBuilder {
 
 	/*Constructor takes in kinematic parameters for generating focal plane weights*/
-	SFPAnalyzer::SFPAnalyzer(int zt, int at, int zp, int ap, int ze, int ae, double ep,
-								double angle, double b) 
+	SFPAnalyzer::SFPAnalyzer(const EVBParameters& params) 
 	{
-		zfp = DeltaZ(zt, at, zp, ap, ze, ae, ep, angle, b);
+		zfp = DeltaZ(params.ZT, params.AT, params.ZP, params.AP, params.ZE, params.AE, params.beamEnergy, 
+					params.spsAngle, params.BField, params.nudge);
+		EVB_INFO("Focal Plane Z-Offset (nudge + kinematics): {}", zfp);
 		event_address = new CoincEvent();
 		rootObj = new THashTable();
 		GetWeights();

src/evb/SFPAnalyzer.h

@@ -12,14 +12,14 @@
 
 #include "DataStructs.h"
 #include "FP_kinematics.h"
+#include "EVBParameters.h"
 
 namespace EventBuilder {
 
 	class SFPAnalyzer
 	{
 	public:
-		SFPAnalyzer(int zt, int at, int zp, int ap, int ze, int ae, double ep, double angle,
-		            double b);
+		SFPAnalyzer(const EVBParameters& params);
 		~SFPAnalyzer();
 		ProcessedEvent GetProcessedEvent(CoincEvent& event);
 		inline void ClearHashTable() { rootObj->Clear(); }

src/guidict/EVBMainFrame.cpp

@@ -145,9 +145,15 @@ EVBMainFrame::EVBMainFrame(const TGWindow* p, UInt_t w, UInt_t h) :
 	fThetaField = new TGNumberEntryField(thetaFrame, Theta, 0, TGNumberEntry::kNESRealFour, TGNumberEntry::kNEANonNegative);
 	thetaFrame->AddFrame(thetalabel, lhints);
 	thetaFrame->AddFrame(fThetaField, fhints);
+	TGHorizontalFrame* nudgeFrame = new TGHorizontalFrame(extraFrame, w*0.175, h*0.15);
+	TGLabel* nudgeLabel = new TGLabel(nudgeFrame, "Nudge (cm):");
+	fNudgeField = new TGNumberEntryField(nudgeFrame, Nudge, 0, TGNumberEntry::kNESRealFour);
+	nudgeFrame->AddFrame(nudgeLabel, lhints);
+	nudgeFrame->AddFrame(fNudgeField, fhints);
 	extraFrame->AddFrame(beamFrame, fhints);
 	extraFrame->AddFrame(bfFrame, fhints);
 	extraFrame->AddFrame(thetaFrame, fhints);
+	extraFrame->AddFrame(nudgeFrame, fhints);
 
 	reactionFrame->AddFrame(targFrame, fhints);
 	reactionFrame->AddFrame(projFrame, fhints);
@@ -399,7 +405,8 @@ bool EVBMainFrame::SetParameters()
 	m_parameters.BField = fBField->GetNumber();
 	m_parameters.beamEnergy = fBKEField->GetNumber();
 	m_parameters.spsAngle = fThetaField->GetNumber();
-
+	m_parameters.nudge = fNudgeField->GetNumber();
+	
 	m_builder.SetParameters(m_parameters);
 	return true;
 }

src/guidict/EVBMainFrame.h

@@ -67,6 +67,7 @@ public:
 		TypeBox,
 		RMin,
 		RMax,
+		Nudge,
 		M_Load_Config,
 		M_Save_Config,
 		M_Exit
@@ -85,6 +86,7 @@ private:
 	TGNumberEntryField *fBField, *fBKEField, *fThetaField;
 	TGNumberEntryField *fSlowWindowField, *fFastICField, *fFastSABREField;
 	TGNumberEntryField *fRMinField, *fRMaxField;
+	TGNumberEntryField *fNudgeField;
 
 	TGHProgressBar* fProgressBar;