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added a yet experimental feature of a phase 'optimized' real Fourier transform.

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suter_a
2015-09-24 15:33:47 +02:00
parent 1f95678764
commit f58cbf1874
9 changed files with 299 additions and 38 deletions
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src/musrFT.cpp
+8 -5
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@@ -67,7 +67,7 @@ typedef struct {
TString msrFlnOut; ///< dump file name for msr-file generation
Int_t bkg_range[2]; ///< background range
PDoubleVector bkg; ///< background value
TString fourierOpt; ///< Fourier options, i.e. real, imag, power, phase
TString fourierOpt; ///< Fourier options, i.e. real, imag, power, phase, phaseOptReal
TString apodization; ///< apodization setting: none, weak, medium, strong
Int_t fourierPower; ///< Fourier power for zero padding, i.e. 2^fourierPower points
TString fourierUnits; ///< wished Fourier units: Gauss, Tesla, MHz, Mc/s
@@ -111,7 +111,7 @@ void musrFT_syntax()
cout << endl << " -br, --background-range <start> <end>: background interval used to estimate the background to be";
cout << endl << " subtracted before the Fourier transform. <start>, <end> to be given in bins.";
cout << endl << " -bg, --background <list> : gives the background explicit for each histogram.";
cout << endl << " -fo, --fourier-option <fopt>: <fopt> can be 'real', 'imag', 'real+imag', 'power', or 'phase'.";
cout << endl << " -fo, --fourier-option <fopt>: <fopt> can be 'real', 'imag', 'real+imag', 'power', 'phase', or 'phaseOptReal'.";
cout << endl << " If this is not defined (neither on the command line nor in the musrfit_startup.xml),";
cout << endl << " default will be 'power'.";
cout << endl << " -ap, --apodization <val> : <val> can be either 'none', 'weak', 'medium', 'strong'.";
@@ -370,7 +370,8 @@ Int_t musrFT_parse_options(Int_t argc, Char_t *argv[], musrFT_startup_param &sta
return 2;
}
TString topt(argv[i+1]);
if (!topt.BeginsWith("real") && !topt.BeginsWith("imag") && !topt.BeginsWith("power") && !topt.BeginsWith("phase")) {
if (!topt.BeginsWith("real") && !topt.BeginsWith("imag") && !topt.BeginsWith("power") &&
!topt.BeginsWith("phase") && !topt.BeginsWith("phaseOptReal")) {
cerr << endl << ">> musrFT **ERROR** found option --fourier-option with unrecognized argument '" << topt << "'." << endl;
return 2;
}
@@ -941,9 +942,9 @@ void musrFT_dumpMsrFile(musrFT_startup_param &param)
fout << "units " << param.fourierUnits << " # units either 'Gauss', 'MHz', or 'Mc/s'" << endl;
}
if (param.fourierOpt.BeginsWith("??")) { // Fourier plot option not given, hence choose POWER
fout << "plot POWER # REAL, IMAG, REAL_AND_IMAG, POWER, PHASE" << endl;
fout << "plot POWER # REAL, IMAG, REAL_AND_IMAG, POWER, PHASE, PHASE_OPT_REAL" << endl;
} else {
fout << "plot " << param.fourierOpt << " # REAL, IMAG, REAL_AND_IMAG, POWER, PHASE" << endl;
fout << "plot " << param.fourierOpt << " # REAL, IMAG, REAL_AND_IMAG, POWER, PHASE, PHASE_OPT_REAL" << endl;
}
if (param.fourierPower > 1) {
fout << "fourier_power " << param.fourierPower << endl;
@@ -1368,6 +1369,8 @@ Int_t main(Int_t argc, Char_t *argv[])
fourierPlotTag = FOURIER_PLOT_POWER;
else if (!startupParam.fourierOpt.CompareTo("phase", TString::kIgnoreCase))
fourierPlotTag = FOURIER_PLOT_PHASE;
else if (!startupParam.fourierOpt.CompareTo("phaseoptreal", TString::kIgnoreCase))
fourierPlotTag = FOURIER_PLOT_PHASE_OPT_REAL;
else
fourierPlotTag = FOURIER_PLOT_POWER;
}