X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Ffilter.h;h=b544a1f2132ac16671cbab6bde3e6c320cebcbbf;hp=274d7920443ec1f7b5a8e7d67db607eab0ac1042;hb=2d39e823ba389fc68e5317c422b55be006094252;hpb=a95e41ac40cd2f3a4401d921618604cf33f2a904 diff --git a/include/filter.h b/include/filter.h index 274d792..b544a1f 100644 --- a/include/filter.h +++ b/include/filter.h @@ -1,29 +1,92 @@ +#ifndef FILTER_H +#define FILTER_H + + class SignalFilter { public: - SignalFilter (const FilterType filt_type, double bw, double xmin, double xmax, int n, double param, const DomainType domain, const int numInt); + typedef enum { + FILTER_INVALID, + FILTER_BANDLIMIT, + FILTER_SINC, + FILTER_G_HAMMING, + FILTER_COSINE, + FILTER_TRIANGLE, + FILTER_ABS_BANDLIMIT, // filter times |x| + FILTER_ABS_SINC, + FILTER_ABS_G_HAMMING, + FILTER_ABS_COSINE, + FILTER_SHEPP + } FilterID; + + typedef enum { + DOMAIN_INVALID, + DOMAIN_FREQ, + DOMAIN_SPATIAL + } DomainID; + + + SignalFilter (const char* filterName, double bw, double xmin, double xmax, int n, double param, const char* domainName, const int numInt); + + SignalFilter (const FilterID filt_type, double bw, double xmin, double xmax, int n, double param, const DomainID domain, const int numInt); ~SignalFilter (void); double* getFilter (void) const { return m_vecFilter; } - double convolve (const double f[], const double dx, const int n, const int np, const FunctionSymmetry func_type) 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; - double convolve (const float f[], const double dx, const int n, const int np, const FunctionSymmetry func_type) const; + bool fail(void) const {return m_fail;} + const string& nameFilter(void) const { return m_nameFilter;} + const string& nameDomain(void) const { return m_nameDomain;} + const FilterID idFilter(void) const { return m_idFilter;} + const DomainID idDomain(void) const { return m_idDomain;} - static double spatialResponseCalc (FilterType fType, double bw, double x, double param, int n); + static double response (const char* const FilterName, const char* const DomainName, double bw, double x, double param); - static double spatialResponseAnalytic (FilterType fType, double bw, double x, double param); + static double spatialResponseCalc (FilterID fType, double bw, double x, double param, int n); - static double frequencyResponse (FilterType fType, double bw, double u, double param); + static double spatialResponseAnalytic (FilterID fType, double bw, double x, double param); + + static double frequencyResponse (FilterID fType, double bw, double u, double param); private: - double *m_vecFilter; double m_bw; - FilterType m_filterType; - - double spatialResponseCalc (double x, double param, int n) const; + int m_nPoints; + double m_xmin; + double m_xmax; + double* m_vecFilter; + bool m_fail; + string m_nameFilter; + string m_nameDomain; + FilterID m_idFilter; + DomainID m_idDomain; + + 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"; + + static const char DOMAIN_FREQ_STR[]= "freq"; + static const char DOMAIN_SPATIAL_STR[]= "spatial"; + + static FilterID convertFilterNameToID (const char* filterName); + static const char* convertFilterIDToName (const FilterID filterID); + static const DomainID convertDomainNameToID (const char* domainName); + static const char* convertDomainIDToName (const DomainID domainID); + + void init (const FilterID filt_type, double bw, double xmin, double xmax, int n, double param, const DomainID domain, const int numInt); + +double spatialResponseCalc (double x, double param, int n) const; double spatialResponseAnalytic (double x, double param) const; @@ -36,3 +99,5 @@ class SignalFilter { }; + +#endif