diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index c93d14b..83328d7 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -1,47 +1,46 @@
 
 list(APPEND EXAMPLE_SOURCES
     B3piKMatrixMassProj
     B3piKMatrixPlots
     CalcChiSq
     GenFit3K
     GenFit3KS
     GenFit3pi
     GenFitBelleCPKpipi
     GenFitDs2KKpi
     GenFitEFKLLM
     GenFitIncoherent_Bs2KSKpi
     GenFitKpipi
     GenFitNoDP
     GenFitNoDPMultiDim
     GenFitTimeDep
     GenFitTimeDep_Bs2KSKpi
     KMatrixDto3pi
     KMatrixExample
     Master
     MergeDataFiles
     mixedSampleTest
     PlotKMatrixTAmp
     PlotResults
     point2PointTestSample
     QuasiFlatSqDalitz
     ResultsExtractor
     Slave
     SlaveRooFit
     Test_Dpipi
-    Test_Dpipi_efficiencyHist
     )
 
 if(NOT LAURA_BUILD_ROOFIT_SLAVE)
     list(REMOVE_ITEM EXAMPLE_SOURCES SlaveRooFit)
 endif()
 
 foreach( _example ${EXAMPLE_SOURCES})
     add_executable(${_example} ${_example}.cc)
     target_link_libraries(${_example} PRIVATE Laura++)
     install(TARGETS ${_example} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 endforeach()
 
 # Also install the python script version of GenFit3pi
 configure_file(GenFit3pi.py.in GenFit3pi.py @ONLY)
 install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/GenFit3pi.py DESTINATION ${CMAKE_INSTALL_BINDIR})
 
diff --git a/examples/Test_Dpipi.cc b/examples/Test_Dpipi.cc
index 369e120..1f3d47c 100644
--- a/examples/Test_Dpipi.cc
+++ b/examples/Test_Dpipi.cc
@@ -1,382 +1,398 @@
 
 #include <iostream>
 using std::cout;
 using std::cerr;
 using std::endl;
 
 #include <vector>
 #include <map>
 #include <algorithm>
 
 #include "TFile.h"
 #include "TH2.h"
 #include "TRandom.h"
 #include "TString.h"
 #include "TSystem.h"
 
 #include "LauDaughters.hh"
 #include "LauDecayTimePdf.hh"
 #include "LauEffModel.hh"
 #include "LauIsobarDynamics.hh"
 #include "LauMagPhaseCoeffSet.hh"
 #include "LauRandom.hh"
 #include "LauRealImagCoeffSet.hh"
 #include "LauTimeDepFitModel.hh"
 #include "LauVetoes.hh"
 #include "LauFlavTag.hh"
 #include "Lau1DHistPdf.hh"
 #include "Lau1DCubicSpline.hh"
 
 void usage(const TString& progName)
 {
 	cerr<<"Usage:"<<endl;
 	cerr<<progName<<" gen D_type [firstExptGen] [nExptGen] [CP eigenvalue]"<<endl;
 	cerr<<"or"<<endl;
 	cerr<<progName<<" fit D_type [port] [iFit] [firstExpt] [nExpt] [nExptGen]"<<endl;
 	cerr<<"To input the TD efficiency as a Histogram instead of a Spline, use the argument --hist";
 }
 
 int main(const int argc, const  char ** argv)
 {
 	std::vector<TString> vector_argv{argv, argc+argv};
 
 	enum efficiencyInputMethod {Spline, Hist};
 	efficiencyInputMethod effiMethod = efficiencyInputMethod::Spline;
 
 	auto histTest = std::find(std::begin(vector_argv), std::end(vector_argv), "--hist");
 	if(histTest != std::end(vector_argv))
 	{
-		effiMethod = efficiencyInputMethod::Spline;
+		effiMethod = efficiencyInputMethod::Hist;
 		vector_argv.erase(histTest);
 	}
 
 	const TString dtype = vector_argv[2];
 	Int_t port = 0;
 	Int_t iFit = 0;
 	Int_t firstExpt = 0;
 	Int_t firstExptGen = 0;
 	Int_t nExpt = 1;
 	Int_t nExptGen = 1;
 	LauTimeDepFitModel::CPEigenvalue eigenvalue =  LauTimeDepFitModel::CPEven;
 
 	Bool_t fixPhiMix(kFALSE);
 	Bool_t useSinCos(kTRUE);
 
 	// check the command line arguments
 	if (argc<1) {
 		usage(vector_argv[0]);
 		return EXIT_FAILURE;
 	}
 	TString command = vector_argv[1];
 	if (command != "gen" &&  command != "fit") {
 		usage(vector_argv[0]);
 		return EXIT_FAILURE;
 	}
 	if (command == "fit") {
 		if (argc>3) {
 			port = atoi(vector_argv[3]);
 			if (argc>4) {
 				iFit = atoi(vector_argv[4]);
 				if (argc>5) {
 					firstExpt = atoi(vector_argv[5]);
 					if (argc>6) {
 						nExpt = atoi(vector_argv[6]);
 						if (argc>7) {
 							nExptGen = atoi(vector_argv[7]);
 						}
 					}
 				}
 			}
 		}
 
 		for (firstExptGen = 0; firstExptGen<(firstExpt+nExpt); firstExptGen+=nExptGen) {
 		}
 		firstExptGen -= nExptGen;
 
 		if ( (nExpt > nExptGen) || (nExptGen%nExpt != 0) ) {
 			cerr<<"Error, nExpt must be a factor of nExptGen."<<endl;
 			return EXIT_FAILURE;
 		}
 
 	} else {
 		if (argc>3) {
 			firstExptGen = atoi(vector_argv[3]);
 			if (argc>4) {
 				nExptGen = atoi(vector_argv[4]);
 				if (argc>5) {
 					Int_t eigval = atoi(vector_argv[5]);
 					if ( eigval == 1 ) {
 						eigenvalue = LauTimeDepFitModel::CPOdd;
 					} else {
 						eigenvalue = LauTimeDepFitModel::CPEven;
 					}
 				}
 			}
 		}
 	}
 
 	cout<<"dtype "<<dtype<<" port "<<port<<" iFit "<<iFit<<" firstExpt "<<firstExpt<<" nExpt "<<nExpt<<endl;
 
 	Double_t nSigEvents(0);
 	if (dtype=="CPEven"){
 		nSigEvents = 1500;
 	} else {
 		nSigEvents = 1000;
 	}
 
 	LauDaughters* daughtersB0bar(0);
 	LauDaughters* daughtersB0(0);
 	LauEffModel* effModelB0bar(0);
 	LauEffModel* effModelB0(0);
 	LauVetoes* vetoes = new LauVetoes();
 	//vetoes->addMassVeto( 2, 2.00776, 2.01276 );
 
 	daughtersB0bar = new LauDaughters("B0_bar", "pi+", "pi-", "D0");
 	daughtersB0    = new LauDaughters("B0",     "pi+", "pi-", "D0_bar");
 
 	// efficiency
 	effModelB0bar = new LauEffModel(daughtersB0bar, vetoes);
 	effModelB0 = new LauEffModel(daughtersB0, vetoes);
 
 	LauIsobarDynamics* sigModelB0bar(0);
 	LauIsobarDynamics* sigModelB0(0);
 	LauTimeDepFitModel* fitModel(0);
 
 	std::vector<LauParameter *> params;
 
 	LauFlavTag* flavTag = new LauFlavTag();
 	flavTag->setTrueTagVarName("trueTag");
 
 	// Use alternative tagging calibration parameters?
 	//flavTag->useAveOmegaDeltaOmega();
 
 	TFile* etafile(0);
 	TH1* etahist(0);
 	Lau1DHistPdf* etahistpdf(0);
 	//if (command == "gen"){
 	etafile = TFile::Open("histogram.root");
 	etahist = dynamic_cast<TH1*>(etafile->Get("htemp"));
 	etahistpdf = new Lau1DHistPdf("eta",etahist,0.0,0.54,kTRUE,kFALSE);
 	//}
 
 	// signal dynamics
 	sigModelB0bar = new LauIsobarDynamics(daughtersB0bar, effModelB0bar);
 	sigModelB0bar->setIntFileName("integ_B0bar.dat");
 	sigModelB0bar->addResonance("D*+_2",     2, LauAbsResonance::RelBW);
 	sigModelB0bar->addResonance("D*+_0",     2, LauAbsResonance::RelBW);
 	sigModelB0bar->addResonance("rho0(770)", 3, LauAbsResonance::RelBW);
 	sigModelB0bar->addResonance("f_0(980)",  3, LauAbsResonance::RelBW);
 	sigModelB0bar->addResonance("f_2(1270)", 3, LauAbsResonance::RelBW);
 
 	sigModelB0 = new LauIsobarDynamics(daughtersB0, effModelB0);
 	sigModelB0->setIntFileName("integ_B0.dat");
 	sigModelB0->addResonance("D*-_2",     1, LauAbsResonance::RelBW);
 	sigModelB0->addResonance("D*-_0",     1, LauAbsResonance::RelBW);
 	sigModelB0->addResonance("rho0(770)", 3, LauAbsResonance::RelBW);
 	sigModelB0->addResonance("f_0(980)",  3, LauAbsResonance::RelBW);
 	sigModelB0->addResonance("f_2(1270)", 3, LauAbsResonance::RelBW);
 
 	// fit model
 	fitModel = new LauTimeDepFitModel(sigModelB0bar,sigModelB0,flavTag);
 	fitModel->setASqMaxValue(1.45);
 
 	std::vector<LauAbsCoeffSet*> coeffset;
 	coeffset.push_back( new LauRealImagCoeffSet("D*-_2",     1.00, 0.00, kTRUE,  kTRUE)  );
 	coeffset.push_back( new LauRealImagCoeffSet("D*-_0",     0.53*TMath::Cos( 3.00), 0.53*TMath::Sin( 3.00), kFALSE, kFALSE) );
 	coeffset.push_back( new LauRealImagCoeffSet("rho0(770)", 1.22*TMath::Cos( 2.25), 1.22*TMath::Sin( 2.25), kFALSE, kFALSE) );
 	coeffset.push_back( new LauRealImagCoeffSet("f_0(980)",  0.19*TMath::Cos(-2.48), 0.19*TMath::Sin(-2.48), kFALSE, kFALSE) );
 	coeffset.push_back( new LauRealImagCoeffSet("f_2(1270)", 0.75*TMath::Cos( 2.97), 0.75*TMath::Sin( 2.97), kFALSE, kFALSE) );
 
 	for (std::vector<LauAbsCoeffSet*>::iterator iter=coeffset.begin(); iter!=coeffset.end(); ++iter) {
 		fitModel->setAmpCoeffSet(*iter);
 	}
 
 	fitModel->setCPEigenvalue( eigenvalue );
 	fitModel->setPhiMix( 2.0*LauConstants::beta, fixPhiMix, useSinCos );
 
 	fitModel->setAsymmetries(0.0,kTRUE);
 
 	// Tag cat fractions, dilutions and Delta dilutions
 	flavTag->addTagger("OSTagger","tagVal_OS","mistagVal_OS", etahistpdf,0.20,0.5,1.0,0.20,0.5,1.0);
 	flavTag->addTagger("SSTagger","tagVal_SS","mistagVal_SS", etahistpdf,0.30,0.5,1.0,0.30,0.5,1.0);
 
 	// Delta t PDFs
 
 	const Double_t minDt(0.0);
 	const Double_t maxDt(20.0);
 	const Double_t minDtErr(0.0);
 	const Double_t maxDtErr(2.5);
 	const Int_t nGauss(3);
 	std::vector<Bool_t> scale(nGauss);
 	scale[0] = kTRUE;
 	scale[1] = kTRUE;
 	scale[2] = kFALSE;
 
 	std::vector<LauAbsRValue*> dtPars(10);
 	TString mean0Name("dt_");  mean0Name += "_mean_0";
 	TString mean1Name("dt_");  mean1Name += "_mean_1";
 	TString mean2Name("dt_");  mean2Name += "_mean_2";
 	TString sigma0Name("dt_"); sigma0Name += "_sigma_0";
 	TString sigma1Name("dt_"); sigma1Name += "_sigma_1";
 	TString sigma2Name("dt_"); sigma2Name += "_sigma_2";
 	TString frac1Name("dt_");  frac1Name += "_frac_1";
 	TString frac2Name("dt_");  frac2Name += "_frac_2";
 	TString tauName("dt_");    tauName += "_tau";
 	TString freqName("dt_");   freqName += "_deltaM";
 
 	LauParameter * mean1 = new LauParameter(mean1Name,  -1.27);
 	LauParameter * mean2 = new LauParameter(mean2Name,  0.0);
 	LauParameter * sigma1 = new LauParameter(sigma1Name, 3.0);
 	LauParameter * sigma2 = new LauParameter(sigma2Name, 8.0);
 	LauParameter * frac1 = new LauParameter(frac1Name,  0.0930);
 	LauParameter * frac2 = new LauParameter(frac2Name,  0.0036);
 	LauParameter * tau = new LauParameter(tauName,    1.520);
 	LauParameter * freq = new LauParameter(freqName,   0.5064);
 
 	TString mean0tagcat63Name("dt_");  mean0tagcat63Name += 63;  mean0tagcat63Name += "_mean_0";
 	TString sigma0tagcat63Name("dt_"); sigma0tagcat63Name += 63; sigma0tagcat63Name += "_sigma_0";
 
 	LauParameter * mean0tagcat63 = new LauParameter(mean0tagcat63Name,  -0.031);
 	LauParameter * sigma0tagcat63 = new LauParameter(sigma0tagcat63Name, 0.972);
 
 	//Decay time acceptance spline - same for all tag cats (though doesn't have to be)
 	std::vector<Double_t> dtvals;
 	dtvals.push_back(0.0); dtvals.push_back(1.0); dtvals.push_back(2.0); dtvals.push_back(4.0); dtvals.push_back(6.0);
 	dtvals.push_back(8.0); dtvals.push_back(11.0); dtvals.push_back(14.0); dtvals.push_back(17.0); dtvals.push_back(20.0);
 	std::vector<Double_t> effvals;
 	effvals.push_back(0.0); effvals.push_back(0.15); effvals.push_back(0.25); effvals.push_back(0.33); effvals.push_back(0.38);
 	effvals.push_back(0.4); effvals.push_back(0.43); effvals.push_back(0.45); effvals.push_back(0.47); effvals.push_back(0.50);
 
 	//Lau1DCubicSpline* dtEffSpline = new Lau1DCubicSpline(dtvals,effvals);
 	Lau1DCubicSpline* dtEffSpline = nullptr;
 	TH1D*		  dtEffHist = nullptr;
 
 	switch(effiMethod)
 	{
 		case efficiencyInputMethod::Spline:
 			dtEffSpline = new Lau1DCubicSpline(dtvals,effvals,Lau1DCubicSpline::StandardSpline,Lau1DCubicSpline::Natural,Lau1DCubicSpline::Natural);
 			break;
 
 		case efficiencyInputMethod::Hist:
 			const Int_t nBins = 9;
 			const Double_t edges[nBins + 1]  = {0,1,2,4,6,8,11,14,17,20};
 			const Double_t binFilling[nBins] = {0.0075,0.02,0.029,0.655,0.69,0.715,0.74,0.76,0.785};
 			dtEffHist = new TH1D("dtEffHist","Histogram of efficiencies", nBins, edges);
 			for( Int_t i = 1 ; i <= nBins ; ++i ){ dtEffHist->SetBinContent(i, binFilling[i-1]); }
 			break;
 	}
 
 	dtPars[0] = mean0tagcat63;
 	dtPars[1] = mean1->createClone();
 	dtPars[2] = mean2->createClone();
 	dtPars[3] = sigma0tagcat63;
 	dtPars[4] = sigma1->createClone();
 	dtPars[5] = sigma2->createClone();
 	dtPars[6] = frac1->createClone();
 	dtPars[7] = frac2->createClone();
 	dtPars[8] = tau->createClone();
 	dtPars[9] = freq->createClone();
 
 	if (dtype=="CPEven"){
 		LauDecayTimePdf * dtPdf = new LauDecayTimePdf( "deltaTAvg", "deltaTAvgErr", dtPars, minDt, maxDt, minDtErr, maxDtErr, LauDecayTimePdf::SimFitSigBd, nGauss, scale, LauDecayTimePdf::DecayTime );
 		dtPdf->doSmearing(kFALSE);
-		dtPdf->setEffiSpline(dtEffSpline);
-		dtPdf->setEffiHist(dtEffHist);
+		switch(effiMethod)
+		{
+			case efficiencyInputMethod::Spline:
+				dtPdf->setEffiSpline(dtEffSpline);
+				break;
+
+			case efficiencyInputMethod::Hist:
+				dtPdf->setEffiHist(dtEffHist);
+				break;
+		}
 		fitModel->setSignalDtPdf( dtPdf );
 	} else {
 		LauDecayTimePdf * dtPdf = new LauDecayTimePdf( "deltaTAvg", "deltaTAvgErr", dtPars, minDt, maxDt, minDtErr, maxDtErr, LauDecayTimePdf::SimFitNormBd, nGauss, scale, LauDecayTimePdf::DecayTime );
 		dtPdf->doSmearing(kFALSE);
-		dtPdf->setEffiSpline(dtEffSpline);
-		dtPdf->setEffiHist(dtEffHist);
+		switch(effiMethod)
+		{
+			case efficiencyInputMethod::Spline:
+				dtPdf->setEffiSpline(dtEffSpline);
+				break;
+
+			case efficiencyInputMethod::Hist:
+				dtPdf->setEffiHist(dtEffHist);
+				break;
+		}
 		fitModel->setSignalDtPdf( dtPdf );
 	}
 
 	// set the number of signal events
 	cout<<"nSigEvents = "<<nSigEvents<<endl;
 	LauParameter* nSigPar = new LauParameter("signalEvents", nSigEvents, -2.0*nSigEvents, 2.0*nSigEvents, kTRUE);
 
 	fitModel->setNSigEvents(nSigPar);
 
 	// set the number of experiments
 	if (command == "fit") {
 		fitModel->setNExpts(nExpt, firstExpt);
 	} else {
 		fitModel->setNExpts(nExptGen, firstExptGen);
 	}
 
 	fitModel->useAsymmFitErrors(kFALSE);
 	//fitModel->useRandomInitFitPars(kTRUE);
 	fitModel->useRandomInitFitPars(kFALSE);
 	fitModel->doPoissonSmearing(kFALSE);
 	fitModel->doEMLFit(kFALSE);
 	fitModel->writeLatexTable(kFALSE);
 
 	TString dataFile("");
 	TString treeName("fitTree");
 	TString rootFileName("");
 	TString tableFileName("");
 	TString fitToyFileName("");
 	TString splotFileName("");
 	if (command == "fit") {
 		dataFile = "TEST-Dpipi_"+dtype;
 		dataFile += "_expts"; dataFile += firstExptGen; dataFile += "-"; dataFile += firstExptGen+nExptGen-1;
 		dataFile += "_CP";
 		if ( eigenvalue == LauTimeDepFitModel::CPEven ) {
 			dataFile += "even";
 		} else {
 			dataFile += "odd";
 		}
 		dataFile += ".root";
 
 		rootFileName = "fits/fit"; rootFileName += iFit;
 		rootFileName += "_expts"; rootFileName += firstExpt; rootFileName += "-"; rootFileName += firstExpt+nExpt-1;
 		rootFileName += ".root";
 
 		tableFileName = "fitResults_"; tableFileName += iFit;
 		tableFileName += "_expts"; tableFileName += firstExpt; tableFileName += "-"; tableFileName += firstExpt+nExpt-1;
 
 		fitToyFileName = "fitToyMC_"+dtype; fitToyFileName += iFit;
 		fitToyFileName += "_expts"; fitToyFileName += firstExpt; fitToyFileName += "-"; fitToyFileName += firstExpt+nExpt-1;
 		fitToyFileName += ".root";
 
 		splotFileName = "splot_"; splotFileName += iFit;
 		splotFileName += "_expts"; splotFileName += firstExpt; splotFileName += "-"; splotFileName += firstExpt+nExpt-1;
 		splotFileName += ".root";
 	} else {
 		dataFile = "TEST-Dpipi";
 		switch(effiMethod)
 		{
 			case efficiencyInputMethod::Spline:
 				dataFile += "_Spline";
 				break;
 			case efficiencyInputMethod::Hist:
 				dataFile += "_Hist";
 				break;
 		}
 		dataFile += "_"+dtype+"_expts"; dataFile += firstExptGen; dataFile += "-"; dataFile += firstExptGen+nExptGen-1;  dataFile += "_CP";
 		if ( eigenvalue == LauTimeDepFitModel::CPEven ) {
 			dataFile += "even";
 		} else {
 			dataFile += "odd";
 		}
 		dataFile += ".root";
 
 		rootFileName = "dummy.root";
 		tableFileName = "genResults";
 	}
 
 	// Generate toy from the fitted parameters
 	fitModel->compareFitData(1, fitToyFileName);
 
 	// Write out per-event likelihoods and sWeights
 	//fitModel->writeSPlotData(splotFileName, "splot", kFALSE);
 
 	// Execute the generation/fit
 	if ( command == "fit" ){
 		fitModel->runSlave( dataFile, treeName, rootFileName, tableFileName, "localhost", port );
 	} else {
 		fitModel->run( command, dataFile, treeName, rootFileName, tableFileName );
 	}
 
 	return EXIT_SUCCESS;
 }