X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Fprocsignal.h;h=9da33e0e09fd684e755950d45ec011c75fd1a4e8;hp=8995dd675c519fd8be57001fc5da64c7bfb136ad;hb=1a050c98763fbbc0662731b0b76953acede6f5d7;hpb=2a39ee3b125e3e2e68bbba2ac15a65039456ff7e

diff --git a/include/procsignal.h b/include/procsignal.h
index 8995dd6..9da33e0 100644
--- a/include/procsignal.h
+++ b/include/procsignal.h
@@ -1,15 +1,15 @@
 /*****************************************************************************
 ** FILE IDENTIFICATION
 **
-**	Name:	      filter.h
+**      Name:         filter.h
 **      Purpose:      Signal filter header file
-**	Programmer:   Kevin Rosenberg
-**	Date Started: June 2000
+**      Programmer:   Kevin Rosenberg
+**      Date Started: June 2000
 **
 **  This is part of the CTSim program
-**  Copyright (C) 1983-2000 Kevin Rosenberg
+**  Copyright (c) 1983-2001 Kevin Rosenberg
 **
-**  $Id: procsignal.h,v 1.2 2000/08/22 07:02:48 kevin Exp $
+**  $Id$
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -33,14 +33,16 @@
 #include "config.h"
 #endif
 #ifdef HAVE_FFTW
-#include <fftw.h>
-#include <rfftw.h>
+#include <fftw3.h>
 #endif
 
 #include <complex>
 
-
 class SignalFilter;
+class SGP;
+
+typedef std::complex<double> CTSimComplex;
+
 
 class ProcessSignal {
  public:
@@ -58,17 +60,22 @@ class ProcessSignal {
     static const int FILTER_GENERATION_DIRECT;
     static const int FILTER_GENERATION_INVERSE_FOURIER;
 
-    ProcessSignal (const char* szFilterName, const char* szFilterMethodName,double bw, double signalIncrement, int n, double param, const char* szDomainName, const char* szFilterGenerationName, const int zeropad = 0, const int preinterpolationFactor = 1, const int iTraceLevel = TRACE_NONE);
+    enum {
+      FORWARD = -1,
+      BACKWARD = 1,
+    };
 
-    ProcessSignal (const int idFilter, int idFilterMethod, double dBandwidth, double dSignalIncrement, int nSignalPoints, double dFilterParam, const int idDomain, int idFilterGeneration, const int iZeropad = 0, const int iPreinterpolationFactor = 1, const int iTraceLevel = TRACE_NONE);
+    ProcessSignal (const char* szFilterName, const char* szFilterMethodName,double bw, double signalIncrement,
+      int n, double param, const char* szDomainName, const char* szFilterGenerationName,
+      const int zeropad, const int preinterpolationFactor, const int iTraceLevel, int iGeometry,
+      double dFocalLength, double dSourceDetectorLength, SGP* pSGP = NULL);
 
     ~ProcessSignal();
 
-    void filterSignal (const double input[], double output[]) const;
     void filterSignal (const float input[], double output[]) const;
 
-    bool fail(void) const 	{return m_fail;}
-    const string& failMessage(void) const {return m_failMessage;}
+    bool fail(void) const       {return m_fail;}
+    const std::string& failMessage(void) const {return m_failMessage;}
 
     void setTraceLevel (int traceLevel) {m_traceLevel = traceLevel; }
 
@@ -82,33 +89,30 @@ class ProcessSignal {
     const int idFilterGeneration() const { return m_idFilterGeneration;}
 
     static const int getFilterGenerationCount() {return s_iFilterGenerationCount;}
-    static const char** getFilterGenerationNameArray() {return s_aszFilterGenerationName;}
-    static const char** getFilterGenerationTitleArray() {return s_aszFilterGenerationTitle;}
+    static const char* const* getFilterGenerationNameArray() {return s_aszFilterGenerationName;}
+    static const char* const* getFilterGenerationTitleArray() {return s_aszFilterGenerationTitle;}
     static int convertFilterGenerationNameToID (const char* const fgName);
     static const char* convertFilterGenerationIDToName (const int idFG);
     static const char* convertFilterGenerationIDToTitle (const int idFG);
-  
+
     static const int getFilterMethodCount() {return s_iFilterMethodCount;}
-    static const char** getFilterMethodNameArray() {return s_aszFilterMethodName;}
-    static const char** getFilterMethodTitleArray() {return s_aszFilterMethodTitle;}
+    static const char* const* getFilterMethodNameArray() {return s_aszFilterMethodName;}
+    static const char* const* getFilterMethodTitleArray() {return s_aszFilterMethodTitle;}
     static int convertFilterMethodNameToID (const char* const filterMethodName);
     static const char* convertFilterMethodIDToName (const int idFilterMethod);
     static const char* convertFilterMethodIDToTitle (const int idFilterMethod);
 
     // transforms using direct trigometric calculation
     static void finiteFourierTransform (const double input[], double output[], const int n, const int direction);
-    static void finiteFourierTransform (const double input[], complex<double> output[], const int n, const int direction);
-    static void finiteFourierTransform (const complex<double> input[], complex<double> output[], const int n, const int direction);
-    static void finiteFourierTransform (const complex<double> input[], double output[], const int n, const int direction);
-
-
-    static void shuffleNaturalToFourierOrder (double* pdVector, const int n);
+    static void finiteFourierTransform (const double input[], std::complex<double> output[], const int n, const int direction);
+    static void finiteFourierTransform (const std::complex<double> input[], std::complex<double> output[], const int n, const int direction);
+    static void finiteFourierTransform (const std::complex<double> input[], double output[], const int n, const int direction);
 
-    static void shuffleFourierToNaturalOrder (double* pdVector, const int n);
+    static int addZeropadFactor (int n, int iZeropad);
 
  private:
-    string m_nameFilterMethod;
-    string m_nameFilterGeneration;
+         std::string m_nameFilterMethod;
+         std::string m_nameFilterGeneration;
     int m_idFilterMethod;
     int m_idFilterGeneration;
     int m_nSignalPoints;
@@ -132,32 +136,39 @@ class ProcessSignal {
     int m_iZeropad;
     int m_nOutputPoints;
     int m_iPreinterpolationFactor;
+    int m_idGeometry;
+    double m_dFocalLength;
+    double m_dSourceDetectorLength;
 
     bool m_fail;
-    string m_failMessage;
+    std::string m_failMessage;
 
-    static const char* s_aszFilterMethodName[];
-    static const char* s_aszFilterMethodTitle[];
+    static const char* const s_aszFilterMethodName[];
+    static const char* const s_aszFilterMethodTitle[];
     static const int s_iFilterMethodCount;
-    static const char* s_aszFilterGenerationName[];
-    static const char* s_aszFilterGenerationTitle[];
+    static const char* const s_aszFilterGenerationName[];
+    static const char* const s_aszFilterGenerationTitle[];
     static const int s_iFilterGenerationCount;
 
 #ifdef HAVE_FFTW
-    fftw_real* m_adRealFftInput, *m_adRealFftSignal;
-    rfftw_plan m_realPlanForward, m_realPlanBackward;
-    fftw_complex* m_adComplexFftInput, *m_adComplexFftSignal;
+    double *m_adRealFftInput, *m_adRealFftOutput, *m_adRealFftSignal, *m_adRealFftBackwardOutput;
+    fftw_plan m_realPlanForward, m_realPlanBackward;
+    fftw_complex *m_adComplexFftInput, *m_adComplexFftOutput, *m_adComplexFftSignal, *m_adComplexFftBackwardOutput;
     fftw_plan m_complexPlanForward, m_complexPlanBackward;
 #endif
 
-    void init (const int idFilter, int idFilterMethod, double dBandwidth, double dSignalIncrement, int nSignalPoints, double dFilterParam, const int idDomain, int idFilterGeneration, const int iZeropad, const int iPreinterpolationFactor, const int iTraceLevel);
+    void init (const int idFilter, int idFilterMethod, double dBandwidth, double dSignalIncrement,
+      int nSignalPoints, double dFilterParam, const int idDomain, int idFilterGeneration, const int iZeropad,
+      const int iPreinterpolationFactor, const int iTraceLevel, const int iGeometry, double dFocalLength,
+      double dSourceDetectorLength, SGP* pSGP);
 
-    // transforms that use precalculated trig tables, therefore don't 
+    // transforms that use precalculated trig tables, therefore don't
     // require number of data points (n) as an argument
-    void finiteFourierTransform (const double input[], complex<double> output[], const int direction) const;
-    void finiteFourierTransform (const complex<double> input[], complex<double> output[], const int direction) const;
-    void finiteFourierTransform (const complex<double> input[], double output[], const int direction) const;
+    void finiteFourierTransform (const double input[], std::complex<double> output[], const int direction) const;
+    void finiteFourierTransform (const std::complex<double> input[], std::complex<double> output[], const int direction) const;
+    void finiteFourierTransform (const std::complex<double> input[], double output[], const int direction) const;
 
+    double convolve (const double func[], const double filter[], const double dx, const int n, const int np) const;
     double convolve (const double f[], const double dx, const int n, const int np) const;
     double convolve (const float f[], const double dx, const int n, const int np) const;