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calculate mean starting from fStartTime, if fStartTime > 0.

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suter_a 2015-04-17 10:29:20 +02:00
parent 6ac3cdd798
commit 18564964fa
1 changed files with 10 additions and 6 deletions
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16
src/classes/PFourier.cpp
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@ -99,7 +99,6 @@ PFourier::PFourier(TH1F *data, Int_t unitTag, Double_t startTime, Double_t endTi
// calculate start and end bin // calculate start and end bin
fNoOfData = (UInt_t)((fEndTime-fStartTime)/fTimeResolution); fNoOfData = (UInt_t)((fEndTime-fStartTime)/fTimeResolution);
cout << "debug> fNoOfData=" << fNoOfData << endl;
// check if zero padding is whished // check if zero padding is whished
if (fZeroPaddingPower > 0) { if (fZeroPaddingPower > 0) {
@ -554,22 +553,27 @@ TH1F* PFourier::GetPhaseFourier(const Double_t scale)
void PFourier::PrepareFFTwInputData(UInt_t apodizationTag) void PFourier::PrepareFFTwInputData(UInt_t apodizationTag)
{ {
// 1st find t==0. fData start at times t<0!! // 1st find t==0. fData start at times t<0!!
UInt_t t0bin = -1; Int_t t0bin = -1;
for (Int_t i=1; i<fData->GetNbinsX(); i++) { for (Int_t i=1; i<fData->GetNbinsX(); i++) {
if (fData->GetBinCenter(i) >= 0.0) { if (fData->GetBinCenter(i) >= 0.0) {
t0bin = i; t0bin = i;
break; break;
} }
} }
cout << "debug> t0bin=" << t0bin << ", fNoOfData=" << fNoOfData << ", fNoOfBins=" << fNoOfBins << endl;
// find the bin of the start time
Int_t ival = static_cast<Int_t>(fStartTime/fTimeResolution) + t0bin;
UInt_t start = 1;
if (ival > 0) { // start time > 0
start = static_cast<UInt_t>(ival);
}
Double_t mean = 0.0; Double_t mean = 0.0;
if (fDCCorrected) { if (fDCCorrected) {
for (UInt_t i=t0bin; i<fNoOfData; i++) { for (UInt_t i=start; i<fNoOfData; i++) {
mean += fData->GetBinContent(i); mean += fData->GetBinContent(i);
} }
mean /= (Double_t)(fNoOfData-t0bin); mean /= (Double_t)(fNoOfData-start);
cout << "debug> mean=" << mean << endl;
} }
// 2nd fill fIn // 2nd fill fIn