** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: procsignal.cpp,v 1.8 2000/12/06 01:46:43 kevin Exp $
+** $Id: procsignal.cpp,v 1.9 2000/12/16 02:44:26 kevin Exp $
**
** 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
void
ProcessSignal::init (const int idFilter, const int idFilterMethod, double dBandwidth, double dSignalIncrement, int nSignalPoints, double dFilterParam, const int idDomain, const int idFilterGeneration, const int iZeropad, const int iPreinterpolationFactor, int iTraceLevel, int iGeometry, double dFocalLength, SGP* pSGP)
-{
+{\r
+ int i;
m_idFilter = idFilter;
m_idDomain = idDomain;
m_idFilterMethod = idFilterMethod;
delete pEZPlot;
}
#endif
- for (int i = 0; i < m_nFilterPoints; i++) {
+ for (i = 0; i < m_nFilterPoints; i++) {
m_adFilter[i] /= m_dSignalInc;
}
}
if (m_idGeometry == Scanner::GEOMETRY_EQUILINEAR) {
- for (int i = 0; i < m_nFilterPoints; i++)
+ for (i = 0; i < m_nFilterPoints; i++)
m_adFilter[i] *= 0.5;
} else if (m_idGeometry == Scanner::GEOMETRY_EQUIANGULAR) {
- for (int i = 0; i < m_nFilterPoints; i++) {
+ for (i = 0; i < m_nFilterPoints; i++) {
int iDetFromZero = i - ((m_nFilterPoints - 1) / 2);
double sinScale = sin (iDetFromZero * m_dSignalInc);
if (fabs(sinScale) < 1E-7)
// This doesn't work!
// Need to add filtering for divergent geometries & Frequency/Direct filtering
if (m_idGeometry == Scanner::GEOMETRY_EQUILINEAR) {
- for (int i = 0; i < m_nFilterPoints; i++)
+ for (i = 0; i < m_nFilterPoints; i++)
m_adFilter[i] *= 0.5;
} else if (m_idGeometry == Scanner::GEOMETRY_EQUIANGULAR) {
- for (int i = 0; i < m_nFilterPoints; i++) {
+ for (i = 0; i < m_nFilterPoints; i++) {
int iDetFromZero = i - ((m_nFilterPoints - 1) / 2);
double sinScale = sin (iDetFromZero * m_dSignalInc);
if (fabs(sinScale) < 1E-7)
}
#endif
if (m_idGeometry == Scanner::GEOMETRY_EQUILINEAR) {
- for (int i = 0; i < m_nFilterPoints; i++)
+ for (i = 0; i < m_nFilterPoints; i++)
adSpatialFilter[i] *= 0.5;
} else if (m_idGeometry == Scanner::GEOMETRY_EQUIANGULAR) {
- for (int i = 0; i < m_nFilterPoints; i++) {
+ for (i = 0; i < m_nFilterPoints; i++) {
int iDetFromZero = i - ((m_nFilterPoints - 1) / 2);
double sinScale = sin (iDetFromZero * m_dSignalInc);
if (fabs(sinScale) < 1E-7)
adSpatialFilter[i] *= dScale;
}
}\r
- int i;
for (i = nSpatialPoints; i < m_nFilterPoints; i++)
adSpatialFilter[i] = 0;
m_adFourierCosTable = new double[ nFourier ];
m_adFourierSinTable = new double[ nFourier ];
double angle = 0;
- for (int i = 0; i < nFourier; i++) {
+ for (i = 0; i < nFourier; i++) {
m_adFourierCosTable[i] = cos (angle);
m_adFourierSinTable[i] = sin (angle);
angle += angleIncrement;
#if HAVE_FFTW
if (m_idFilterMethod == FILTER_METHOD_FFTW || m_idFilterMethod == FILTER_METHOD_RFFTW) {
- for (int i = 0; i < m_nFilterPoints; i++) //fftw uses unnormalized fft
+ for (i = 0; i < m_nFilterPoints; i++) //fftw uses unnormalized fft
m_adFilter[i] /= m_nFilterPoints;
}
m_realPlanBackward = rfftw_create_plan (m_nOutputPoints, FFTW_COMPLEX_TO_REAL, FFTW_ESTIMATE);
m_adRealFftInput = new fftw_real [ m_nFilterPoints ];
m_adRealFftSignal = new fftw_real [ m_nOutputPoints ];
- for (int i = 0; i < m_nFilterPoints; i++)
+ for (i = 0; i < m_nFilterPoints; i++)
m_adRealFftInput[i] = 0;
} else if (m_idFilterMethod == FILTER_METHOD_FFTW) {
m_complexPlanForward = fftw_create_plan (m_nFilterPoints, FFTW_FORWARD, FFTW_ESTIMATE);
m_complexPlanBackward = fftw_create_plan (m_nOutputPoints, FFTW_BACKWARD, FFTW_ESTIMATE);
m_adComplexFftInput = new fftw_complex [ m_nFilterPoints ];
m_adComplexFftSignal = new fftw_complex [ m_nOutputPoints ];
- for (int i = 0; i < m_nFilterPoints; i++)
+ for (i = 0; i < m_nFilterPoints; i++)
m_adComplexFftInput[i].re = m_adComplexFftInput[i].im = 0;
- for (int i = 0; i < m_nOutputPoints; i++)
+ for (i = 0; i < m_nOutputPoints; i++)
m_adComplexFftSignal[i].re = m_adComplexFftSignal[i].im = 0;
}
#endif
}
#if HAVE_FFTW
else if (m_idFilterMethod == FILTER_METHOD_RFFTW) {
- for (int i = 0; i < m_nSignalPoints; i++)
+ for (i = 0; i < m_nSignalPoints; i++)
m_adRealFftInput[i] = input[i];
- fftw_real fftOutput [ m_nFilterPoints ];
+ fftw_real* fftOutput = new fftw_real [ m_nFilterPoints ];
rfftw_one (m_realPlanForward, m_adRealFftInput, fftOutput);
- for (int i = 0; i < m_nFilterPoints; i++)
- m_adRealFftSignal[i] = m_adFilter[i] * fftOutput[i];
- for (int i = m_nFilterPoints; i < m_nOutputPoints; i++)
- m_adRealFftSignal[i] = 0;
+ for (i = 0; i < m_nFilterPoints; i++)
+ m_adRealFftSignal[i] = m_adFilter[i] * fftOutput[i];\r
+ delete [] fftOutput;
+ for (i = m_nFilterPoints; i < m_nOutputPoints; i++)
+ m_adRealFftSignal[i] = 0;
- fftw_real ifftOutput [ m_nOutputPoints ];
+ fftw_real* ifftOutput = new fftw_real [ m_nOutputPoints ];
rfftw_one (m_realPlanBackward, m_adRealFftSignal, ifftOutput);
- for (int i = 0; i < m_nSignalPoints * m_iPreinterpolationFactor; i++)
- output[i] = ifftOutput[i];
+ for (i = 0; i < m_nSignalPoints * m_iPreinterpolationFactor; i++)
+ output[i] = ifftOutput[i];\r
+ delete [] ifftOutput;
} else if (m_idFilterMethod == FILTER_METHOD_FFTW) {
- for (int i = 0; i < m_nSignalPoints; i++)
+ for (i = 0; i < m_nSignalPoints; i++)
m_adComplexFftInput[i].re = input[i];
- fftw_complex fftOutput [ m_nFilterPoints ];
+ fftw_complex* fftOutput = new fftw_complex [ m_nFilterPoints ];
fftw_one (m_complexPlanForward, m_adComplexFftInput, fftOutput);
- for (int i = 0; i < m_nFilterPoints; i++) {
+ for (i = 0; i < m_nFilterPoints; i++) {
m_adComplexFftSignal[i].re = m_adFilter[i] * fftOutput[i].re;
m_adComplexFftSignal[i].im = m_adFilter[i] * fftOutput[i].im;
- }
- fftw_complex ifftOutput [ m_nOutputPoints ];
+ }\r
+ delete [] fftOutput;
+ fftw_complex* ifftOutput = new fftw_complex [ m_nOutputPoints ];
fftw_one (m_complexPlanBackward, m_adComplexFftSignal, ifftOutput);
- for (int i = 0; i < m_nSignalPoints * m_iPreinterpolationFactor; i++)
- output[i] = ifftOutput[i].re;
+ for (i = 0; i < m_nSignalPoints * m_iPreinterpolationFactor; i++)
+ output[i] = ifftOutput[i].re;\r
+ delete [] ifftOutput;
}
#endif\r
delete input;