fixed a filling bug in PFourier
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nemu
parent
99dedce540
commit
18a3055e7c
@ -63,6 +63,14 @@ PFourier::PFourier(TH1F *data, int unitTag, double startTime, double endTime, un
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return;
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}
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//cout << endl << "PFourier::PFourier: fData = " << fData;
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/*
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for (unsigned int i=0; i<10; i++) {
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cout << endl << "PFourier::PFourier: i=" << i << ", t=" << fData->GetBinCenter(i) << ", value=" << fData->GetBinContent(i);
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}
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*/
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//cout << endl;
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fValid = true;
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fIn = 0;
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fOut = 0;
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@ -71,7 +79,7 @@ PFourier::PFourier(TH1F *data, int unitTag, double startTime, double endTime, un
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// calculate time resolution in (us)
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fTimeResolution = fData->GetBinWidth(1);
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cout << endl << ">> fTimeResolution = " << fTimeResolution;
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//cout << endl << ">> fTimeResolution = " << fTimeResolution;
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// if endTime == 0 set it to the last time slot
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if (fEndTime == 0.0) {
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@ -105,7 +113,7 @@ cout << endl << ">> fTimeResolution = " << fTimeResolution;
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fNoOfBins = fNoOfData;
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}
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cout << endl << ">> fNoOfBins = " << fNoOfBins;
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//cout << endl << ">> fNoOfBins = " << fNoOfBins;
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// calculate fourier resolution
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double resolution = 1.0/(fTimeResolution*fNoOfBins); // in MHz
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@ -125,7 +133,7 @@ cout << endl << ">> fNoOfBins = " << fNoOfBins;
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break;
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}
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cout << endl << ">> fResolution = " << fResolution;
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//cout << endl << ">> fResolution = " << fResolution;
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// allocate necessary memory
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fIn = (fftw_complex *)fftw_malloc(sizeof(fftw_complex)*fNoOfBins);
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@ -140,6 +148,7 @@ cout << endl << ">> fResolution = " << fResolution;
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return;
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}
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//cout << endl << "PFourier::PFourier: fNoOfBins=" << fNoOfBins << endl;
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fFFTwPlan = fftw_plan_dft_1d(fNoOfBins, fIn, fOut, FFTW_FORWARD, FFTW_ESTIMATE);
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if (!fFFTwPlan) {
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@ -159,7 +168,7 @@ cout << endl << ">> fResolution = " << fResolution;
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*/
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PFourier::~PFourier()
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{
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cout << endl << "in ~PFourier() ..." << endl;
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//cout << endl << "in ~PFourier() ..." << endl;
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if (fValid) {
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fftw_destroy_plan(fFFTwPlan);
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fftw_free(fIn);
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@ -180,11 +189,27 @@ void PFourier::Transform(unsigned int apodizationTag)
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if (!fValid)
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return;
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cout << endl << ">> PFourier::Transform ..." << endl;
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//cout << endl << ">> PFourier::Transform (apodizationTag=" << apodizationTag << ") ..." << endl;
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PrepareFFTwInputData(apodizationTag);
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/*
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if (fNoOfBins < 200) {
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for (unsigned int i=0; i<fNoOfBins; i++) {
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cout << endl << ">> PFourier::PrepareFFTwInputData: " << i << ": fIn[i][0] = " << fIn[i][0];
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}
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cout << endl;
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}
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*/
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fftw_execute(fFFTwPlan);
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/*
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for (unsigned int i=fNoOfBins-10; i<fNoOfBins; i++) {
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cout << endl << ">> PFourier::PrepareFFTwInputData: " << i << ": fOut[i][0] = " << fOut[i][0];
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}
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cout << endl;
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*/
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}
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//--------------------------------------------------------------------------
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@ -219,7 +244,7 @@ TH1F* PFourier::GetRealFourier(const double scale)
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realFourier->SetBinContent(i+1, scale*fOut[i][0]);
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realFourier->SetBinError(i+1, 0.0);
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}
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cout << endl << ">> realFourier = " << realFourier;
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//cout << endl << ">> realFourier = " << realFourier;
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return realFourier;
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}
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@ -359,7 +384,9 @@ void PFourier::PrepareFFTwInputData(unsigned int apodizationTag)
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{
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// 1st find t==0. fData start at times t<0!!
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int t0bin = -1;
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//cout << ">> PFourier::PrepareFFTwInputData: fData=" << fData << ", fData->GetNbinsX() = " << fData->GetNbinsX();
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for (int i=0; i<fData->GetNbinsX(); i++) {
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//if (i<20) cout << endl << ">> PFourier::PrepareFFTwInputData: i=" << i << ", fData->GetBinCenter(i)=" << fData->GetBinCenter(i);
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if (fData->GetBinCenter(i) >= 0.0) {
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t0bin = i;
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break;
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@ -372,13 +399,22 @@ void PFourier::PrepareFFTwInputData(unsigned int apodizationTag)
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fIn[i][0] = fData->GetBinContent(i+start+1);
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fIn[i][1] = 0.0;
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}
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for (unsigned int i=fNoOfData; i<fNoOfBins; i++) {
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for (unsigned int i=fNoOfData-start; i<fNoOfBins; i++) {
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fIn[i][0] = 0.0;
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fIn[i][1] = 0.0;
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}
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//cout << ">> PFourier::PrepareFFTwInputData: t0bin = " << t0bin << ", start = " << start << endl;
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// 3rd apodize data (if wished)
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ApodizeData(apodizationTag);
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/*
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cout << ">> PFourier::PrepareFFTwInputData: fNoOfData = " << fNoOfData << ", fNoOfBins = " << fNoOfBins << endl;
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for (unsigned int i=0; i<10; i++) {
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cout << endl << ">> PFourier::PrepareFFTwInputData: " << i << ": fIn[i][0] = " << fIn[i][0];
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}
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cout << endl;
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*/
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}
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//--------------------------------------------------------------------------
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@ -1568,12 +1568,16 @@ void PMusrCanvas::HandleFourier()
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// check if fourier needs to be calculated
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if (fData[0].dataFourierRe == 0) {
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//cout << endl << ">> Recalculate Fourier ----------------------------------------";
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//cout << endl << ">> fData[0].data = " << fData[0].data;
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int bin;
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bin = fData[0].data->GetXaxis()->GetFirst();
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//cout << endl << ">> start bin = " << bin;
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double startTime = fData[0].data->GetBinCenter(bin);
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//cout << endl << ">> start time = " << startTime;
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bin = fData[0].data->GetXaxis()->GetLast();
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double endTime = fData[0].data->GetBinCenter(bin);
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//cout << endl << ">> startTime = " << startTime << ", endTime = " << endTime << endl;
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//cout << endl << ">> Fourier: startTime = " << startTime << ", endTime = " << endTime;
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for (unsigned int i=0; i<fData.size(); i++) {
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// calculate fourier transform of the data
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PFourier fourierData(fData[i].data, fFourier.fUnits, startTime, endTime, fFourier.fFourierPower);
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@ -1594,6 +1598,13 @@ void PMusrCanvas::HandleFourier()
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fData[i].dataFourierPwr = fourierData.GetPowerFourier(scale);
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// get phase part of the data
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fData[i].dataFourierPhase = fourierData.GetPhaseFourier();
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/*
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cout << endl << ">> Fourier: i=" << i;
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for (unsigned j=0; j<10; j++) {
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cout << endl << ">> Fourier: " << j << ", data = " << fData[i].data->GetBinContent(j) << ", fourier.power = " << fData[i].dataFourierPwr->GetBinContent(j);
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}
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cout << endl;
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*/
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// set marker and line color
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fData[i].dataFourierRe->SetMarkerColor(fData[i].data->GetMarkerColor());
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@ -1618,7 +1629,7 @@ void PMusrCanvas::HandleFourier()
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// calculate fourier transform of the theory
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int powerPad = (int)round(log((endTime-startTime)/fData[i].theory->GetBinWidth(1))/log(2))+3;
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cout << endl << ">> powerPad = " << powerPad;
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//cout << endl << ">> powerPad = " << powerPad;
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PFourier fourierTheory(fData[i].theory, fFourier.fUnits, startTime, endTime, powerPad);
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if (!fourierTheory.IsValid()) {
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cout << endl << "**SEVERE ERROR** PMusrCanvas::HandleFourier: couldn't invoke PFourier to calculate the Fourier theory ..." << endl;
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@ -1626,7 +1637,7 @@ cout << endl << ">> powerPad = " << powerPad;
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}
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fourierTheory.Transform(fFourier.fApodization);
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scale = sqrt(fData[0].theory->GetBinWidth(1)/(endTime-startTime)*fData[0].theory->GetBinWidth(1)/fData[0].data->GetBinWidth(1));
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cout << endl << ">> theory scale = " << scale << ", data.res/theory.res = " << fData[0].theory->GetBinWidth(1)/fData[0].data->GetBinWidth(1);
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//cout << endl << ">> theory scale = " << scale << ", data.res/theory.res = " << fData[0].theory->GetBinWidth(1)/fData[0].data->GetBinWidth(1);
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// get real part of the data
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fData[i].theoryFourierRe = fourierTheory.GetRealFourier(scale);
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//cout << endl << ">> i: " << i << ", fData[i].dataFourierRe = " << fData[i].dataFourierRe;
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@ -2313,7 +2324,7 @@ void PMusrCanvas::PlotFourier()
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xAxisTitle = TString("??");
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}
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// plot data
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// plot fourier data
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double min, max, binContent;
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switch (fCurrentPlotView) {
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case PV_FOURIER_REAL:
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