started with the implementation of a Fourier transform

src/include/PMsrHandler.h

@@ -59,6 +59,7 @@ class PMsrHandler
     virtual PMsrLines*              GetMsrFunctions() { return &fFunctions; }
     virtual PMsrRunList*            GetMsrRunList() { return &fRuns; }
     virtual PMsrLines*              GetMsrCommands() { return &fCommands; }
+    virtual PMsrFourierStructure*   GetMsrFourierList() { return &fFourier; }
     virtual PMsrPlotList*           GetMsrPlotList() { return &fPlots; }
     virtual PMsrStatisticStructure* GetMsrStatistic() { return &fStatistic; }
 
@@ -95,6 +96,7 @@ class PMsrHandler
     PMsrLines              fFunctions; ///< holds the user defined functions
     PMsrRunList            fRuns;      ///< holds a list of run information
     PMsrLines              fCommands;  ///< holds a list of the minuit commands
+    PMsrFourierStructure   fFourier;   ///< holds the parameters used for the Fourier transform
     PMsrPlotList           fPlots;     ///< holds a list of the plot input parameters
     PMsrStatisticStructure fStatistic; ///< holds the statistic info
 
@@ -109,6 +111,7 @@ class PMsrHandler
     virtual bool HandleFunctionsEntry(PMsrLines &line);
     virtual bool HandleRunEntry(PMsrLines &line);
     virtual bool HandleCommandsEntry(PMsrLines &line);
+    virtual bool HandleFourierEntry(PMsrLines &line);
     virtual bool HandlePlotEntry(PMsrLines &line);
     virtual bool HandleStatisticEntry(PMsrLines &line);
 
@@ -117,6 +120,8 @@ class PMsrHandler
     virtual void FillParameterInUse(PMsrLines &theory, PMsrLines &funcs, PMsrLines &run);
 
     virtual void InitRunParameterStructure(PMsrRunStructure &param);
+    virtual void InitFourierParameterStructure(PMsrFourierStructure &fourier);
+
     virtual bool FilterFunMapNumber(TString str, const char *filter, int &no);
 };
 

src/include/PMusr.h

@@ -70,8 +70,9 @@ using namespace std;
 #define MSR_TAG_FUNCTIONS    3
 #define MSR_TAG_RUN          4
 #define MSR_TAG_COMMANDS     5
-#define MSR_TAG_PLOT         6
-#define MSR_TAG_STATISTIC    7
+#define MSR_TAG_FOURIER      6
+#define MSR_TAG_PLOT         7
+#define MSR_TAG_STATISTIC    8
 
 //-------------------------------------------------------------
 // msr fit type tags
@@ -92,6 +93,25 @@ using namespace std;
 #define MSR_PARAM_MAP_OFFSET 10000
 #define MSR_PARAM_FUN_OFFSET 20000
 
+//-------------------------------------------------------------
+// fourier related tags
+#define FOURIER_UNIT_NOT_GIVEN 0
+#define FOURIER_UNIT_FIELD     1
+#define FOURIER_UNIT_FREQ      2
+
+#define FOURIER_APOD_NOT_GIVEN 0
+#define FOURIER_APOD_NONE      1
+#define FOURIER_APOD_WEAK      2
+#define FOURIER_APOD_MEDIUM    3
+#define FOURIER_APOD_STRONG    4
+
+#define FOURIER_PLOT_NOT_GIVEN     0
+#define FOURIER_PLOT_REAL          1
+#define FOURIER_PLOT_IMAG          2
+#define FOURIER_PLOT_REAL_AND_IMAG 3
+#define FOURIER_PLOT_POWER         4
+#define FOURIER_PLOT_PHASE         5
+
 //-------------------------------------------------------------
 /**
  * <p> typedef to make to code more readable.
@@ -259,6 +279,21 @@ typedef struct {
  */
 typedef vector<PMsrRunStructure> PMsrRunList;
 
+//-------------------------------------------------------------
+/**
+ * <p> Holds the information of the Fourier block
+ */
+typedef struct {
+  bool fFourierBlockPresent; ///< flag indicating if a Fourier block is present in the msr-file
+  bool fUnits;               ///< flag used to indicate the units. 0=field units (G); 1=frequency units (MHz)
+  int  fFourierPower;        ///< i.e. zero padding up to 2^fFourierPower, default = 0 which means NO zero padding
+  int  fApodization;         ///< tag indicating the kind of apodization wished, 0=no appodization (default), 1=weak, 2=medium, 3=strong (for details see the docu)
+  int  fPlotTag;             ///< tag used for initial plot. 0=real, 1=imaginary, 2=real & imaginary (default), 3=power, 4=phase
+  double fPhase;             ///< phase
+  double fRangeForPhaseCorrection[2]; ///< field/frequency range for automatic phase correction
+  double fPlotRange[2];      ///< field/frequency plot range
+} PMsrFourierStructure;
+
 //-------------------------------------------------------------
 /**
  * <p> Holds the information of a single plot block