** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: filter.h,v 1.13 2000/07/11 10:32:44 kevin Exp $
+** $Id: filter.h,v 1.15 2000/07/20 11:17:31 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
#define FILTER_H
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef HAVE_FFTW
+#include <fftw.h>
+#include <rfftw.h>
+#endif
+
+#include <complex>
+
+
class SignalFilter {
public:
DOMAIN_SPATIAL
} DomainID;
- static const char FILTER_ABS_BANDLIMIT_STR[]= "abs_bandlimit";
- static const char FILTER_ABS_SINC_STR[]= "abs_sinc";
- static const char FILTER_ABS_COS_STR[]= "abs_cos";
- static const char FILTER_ABS_HAMMING_STR[]= "abs_hamming";
- static const char FILTER_SHEPP_STR[]= "shepp";
- static const char FILTER_BANDLIMIT_STR[]= "bandlimit";
- static const char FILTER_SINC_STR[]= "sinc";
- static const char FILTER_COS_STR[]= "cos";
- static const char FILTER_HAMMING_STR[]= "hamming";
- static const char FILTER_TRIANGLE_STR[]= "triangle";
+ // Filters
+ static const char FILTER_ABS_BANDLIMIT_STR[];
+ static const char FILTER_ABS_SINC_STR[];
+ static const char FILTER_ABS_COS_STR[];
+ static const char FILTER_ABS_HAMMING_STR[];
+ static const char FILTER_SHEPP_STR[];
+ static const char FILTER_BANDLIMIT_STR[];
+ static const char FILTER_SINC_STR[];
+ static const char FILTER_COS_STR[];
+ static const char FILTER_HAMMING_STR[];
+ static const char FILTER_TRIANGLE_STR[];
+
+ static const char FILTER_ABS_BANDLIMIT_TITLE_STR[];
+ static const char FILTER_ABS_SINC_TITLE_STR[];
+ static const char FILTER_ABS_COS_TITLE_STR[];
+ static const char FILTER_ABS_HAMMING_TITLE_STR[];
+ static const char FILTER_SHEPP_TITLE_STR[];
+ static const char FILTER_BANDLIMIT_TITLE_STR[];
+ static const char FILTER_SINC_TITLE_STR[];
+ static const char FILTER_COS_TITLE_STR[];
+ static const char FILTER_HAMMING_TITLE_STR[];
+ static const char FILTER_TRIANGLE_TITLE_STR[];
- static const char FILTER_METHOD_CONVOLUTION_STR[]= "convolution";
- static const char FILTER_METHOD_FOURIER_STR[]= "fourier";
- static const char FILTER_METHOD_FOURIER_TABLE_STR[]="fourier_table";
- static const char FILTER_METHOD_FFT_STR[]= "fft";
+ // Filter Methods
+ static const char FILTER_METHOD_CONVOLUTION_STR[];
+ static const char FILTER_METHOD_FOURIER_STR[];
+ static const char FILTER_METHOD_FOURIER_TABLE_STR[];
+ static const char FILTER_METHOD_FFT_STR[];
#if HAVE_FFTW
- static const char FILTER_METHOD_FFTW_STR[]= "fftw";
- static const char FILTER_METHOD_RFFTW_STR[]= "rfftw";
+ static const char FILTER_METHOD_FFTW_STR[];
+ static const char FILTER_METHOD_RFFTW_STR[];
#endif
- static const char DOMAIN_FREQUENCY_STR[]="frequency";
- static const char DOMAIN_SPATIAL_STR[]="spatial";
+ static const char FILTER_METHOD_CONVOLUTION_TITLE_STR[];
+ static const char FILTER_METHOD_FOURIER_TITLE_STR[];
+ static const char FILTER_METHOD_FOURIER_TABLE_TITLE_STR[];
+ static const char FILTER_METHOD_FFT_TITLE_STR[];
+#if HAVE_FFTW
+ static const char FILTER_METHOD_FFTW_TITLESTR[];
+ static const char FILTER_METHOD_RFFTW_TITLE_STR[];
+#endif
+
+ // Domains
+ static const char DOMAIN_FREQUENCY_STR[];
+ static const char DOMAIN_SPATIAL_STR[];
+
+ static const char DOMAIN_FREQUENCY_TITLE_STR[];
+ static const char DOMAIN_SPATIAL_TITLE_STR[];
SignalFilter (const char* filterName, const char* filterMethodName,double bw, double signalIncrement, int n, double param, const char* domainName, const int zeropad = 0, const int preinterpolationFactor = 1);