X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=include%2Fir.h;h=c7b2f7bd7150235ae607e7ecbb4da8bfadd488a1;hb=b5857e74e5735455b5ef11cbea5044ae7b2e8a0d;hp=9c8f92e8dc5fe1b9d8379a2b505d9862094523c6;hpb=a62ba7c54d39fcf1e469c8df169018fa60ae7c3b;p=ctsim.git diff --git a/include/ir.h b/include/ir.h index 9c8f92e..c7b2f7b 100644 --- a/include/ir.h +++ b/include/ir.h @@ -9,7 +9,7 @@ ** This is part of the CTSim program ** Copyright (C) 1983-2000 Kevin Rosenberg ** -** $Id: ir.h,v 1.25 2000/06/10 22:33:11 kevin Exp $ +** $Id: ir.h,v 1.27 2000/06/15 19:07:10 kevin Exp $ ** ** ** This program is free software; you can redistribute it and/or modify @@ -30,57 +30,7 @@ #define IR_H -struct histo_st { - int *b; /* Histogram array (# of elements in each bin) */ - int nbin; /* Number of histogram bins */ - double xmin, xmax, xinc; /* Limits of histogram boundaries */ -}; - -typedef struct histo_st HISTOGRAM; - -/*---------------------------------------------------------------------------*/ - -static const int POINTS_PER_CIRCLE=90; -#define MAXREMARK 99 - -typedef enum { - RECTANGLE, - TRIANGLE, - ELLIPSE, - SECTOR, - SEGMENT -} PElmType; - -struct pelm_st { - PElmType type; /* pelm type (box, ellipse, etc) */ - double atten; /* X-ray attenuation coefficient */ - double cx,cy; /* center of pelm */ - double u,v; /* size of pelm */ - double rot; /* pelm rotation angle (in radians) */ - double *x, *y; /* ptr to array of points in obj world coord */ - int pts; /* number of points in outline arrays */ - double xmin, xmax, ymin, ymax; /* pelm limits */ - double radius; /* " */ - GRFMTX_2D p_to_o; /* map from phantom to standard pelm coords */ - GRFMTX_2D o_to_p; /* map from std pelm coords to phantom coords */ - struct pelm_st *next; /* pointer to next pelm in phantom */ -}; -typedef struct pelm_st PELM; - -typedef enum { - P_PELMS, /* Phantom made of Pelms */ - P_UNIT_PULSE, /* Special phantom, not made of pelms */ - P_FILTER /* defined only by this type */ -} PhmType; - -struct phm_st { /* Phantom structure */ - PELM *pelm_list; /* pelm linked-list */ - PhmType type; - int n_pelm; /* number of pelms in phantom */ - double xmin, xmax, ymin, ymax; /* extent of pelms in pelm coordinates */ - double radius; /* " " */ -}; -typedef struct phm_st PHANTOM; +#include "phantom.h" /*----------------------------------------------------------------------*/ @@ -93,12 +43,13 @@ typedef struct phm_st PHANTOM; typedef float DETECT_TYPE; -struct detarray_st { +struct DetectorArray +{ DETECT_TYPE *detval; /* Pointer to array of values recorded by detector */ int ndet; /* Number of detectors in array */ double view_angle; /* View angle in radians */ }; -typedef struct detarray_st DETARRAY; +typedef struct DetectorArray DETARRAY; typedef enum { @@ -107,7 +58,10 @@ typedef enum { DETECTOR_EQUILINEAR } ScannerGeometry; -struct detector_st { + +class Detector +{ + public: ScannerGeometry geometry; /* Geometry of detectory */ int ndet; /* Number of detectors in array */ int nview; /* Number of rotated views */ @@ -124,17 +78,23 @@ struct detector_st { double xs1,ys1,xs2,ys2; /* Coordinates of source endpoints */ double angle; /* Starting angle */ } init; + + Detector (const Phantom& phm, const ScannerGeometry geometry, int ndet, int nview, int nsample, const double rot_anglen); + ~Detector(); + }; -typedef struct detector_st DETECTOR; -struct raysum_st { + +class Projections +{ + public: int fd; /* Disk file descriptor */ int file_mode; /* Current file mode (read or write) */ int header_size; /* Size of disk file header */ int geometry; /* Geometry of scanner */ - struct detarray_st **view; /* Pointer to array of detarray_st pointers */ + struct DetectorArray **view; /* Pointer to array of detarray_st pointers */ - char remark[MAXREMARK+1]; /* description of raysum data */ + string remark; /* description of raysum data */ double calctime; /* time required to calculate raysums */ int ndet; /* number of detectors in array */ @@ -146,20 +106,12 @@ struct raysum_st { double det_inc; /* increment between detectors */ double phmlen; /* Length of PHANTOM edge (phm is square) */ }; -typedef struct raysum_st RAYSUM; +typedef class Projections RAYSUM; /*----------------------------------------------------------------------*/ /* USER SYMBOLS */ /*----------------------------------------------------------------------*/ -/* Codes for Coordinate Types */ -/* Defines coords for pelm_is_point_inside() */ - -typedef enum { - PELM_COORD, /* Normalized Pelm Coordinates */ - PHM_COORD /* User's phantom Coordinates */ -} CoordType; - /* Codes for Filter types */ typedef enum { /* filter types for filter_generate() */ @@ -204,9 +156,6 @@ typedef enum { /* Interpolation methods */ I_LINEAR /* Linear interpolation */ } InterpolationType; -/* Constants for sizing PHANTOM */ - -static const double PERCENT_PHM_SIZE_INCR=0.0; /* Fractional increase in phantom limits compared to pelm size */ static const int N_EXTRA_DETECTORS=4; /* Number of extra detectors widths when calculating detlen */ static const char O_TRACE_NONE_STR[]= "none"; @@ -279,21 +228,21 @@ const static int RAYSUM_TRACE_ROW_CURR_VIEW=17; const static int RAYSUM_TRACE_ROW_ATTEN=18; + /************************************************************************* * FUNCTION DECLARATIONS ************************************************************************/ -/* convolve.c */ +/* convolve.cpp */ double convolve (const double f1[], const double f2[], const double dx, const int n, const int np, const FunctionSymmetry func_type); -double convolve_both (const double f1[], const double f2[], const double dx, const int n, const int np); -/* dialogs.c */ -int phm_add_pelm_kb (PHANTOM *phm); -PHANTOM *phm_select (void); +/* dialogs.cpp */ +bool phm_add_pelem_kb (Phantom& phm); +const Phantom& phm_select (Phantom& phm); int interpolation_select (void); int filter_select (double *filter_param); -/* filter.c */ +/* filter.cpp */ double *filter_generate (const FilterType filt_type, double bw, double xmin, double xmax, int n, double param, const DomainType domain, int numint); double filter_spatial_response_calc (int filt_type, double x, double bw, double param, int n); double filter_spatial_response_analytic (int filt_type, double x, double bw, double param); @@ -301,7 +250,7 @@ double filter_frequency_response (int filt_type, double u, double bw, double par double sinc (double x, double mult); double integral_abscos(double u, double w); -/* options.c */ +/* options.cpp */ int opt_set_trace(const char *optarg); const char *name_of_phantom(const int phmid); int opt_set_phantom(const char *optarg); @@ -314,47 +263,16 @@ const char *name_of_filter_domain(const DomainType domain); BackprojType opt_set_backproj(const char *optarg); const char *name_of_backproj(const BackprojType backproj); -/* phm.c */ -PHANTOM *phm_create(const int phmid); -PHANTOM *phm_create_from_file(const char *fname); -PHANTOM *phm_init(void); -void phm_free (PHANTOM *phm); -int phm_add_pelm_file(PHANTOM *phm, const char *fname); -void phm_add_pelm (PHANTOM *phm, const char *type, const double cx, const double cy, - const double u, const double v, const double rot, const double atten); -int pelm_make_points(PELM *obj); -void pelm_make_xform (PELM *obj); -PELM *pelm_alloc(void); -void calc_arc(double x[], double y[], const int pts, const double xcent, const double ycent, - const double r, const double start, const double stop); -void calc_ellipse(double x[], double y[], const int pts, const double u, const double v); -int circle_pts(double theta); -void phm_print(PHANTOM *phm); -#if HAVE_SGP -void phm_show(const PHANTOM *phm); -void phm_draw(const PHANTOM *phm); -#endif - -/* phmstd.c */ -void phm_std_herman (PHANTOM *phm); -void phm_std_rowland (PHANTOM *phm); -void phm_std_rowland_bordered (PHANTOM *phm); - -/* raycollect.c */ -int raysum_collect(RAYSUM *rs, const DETECTOR *det, const PHANTOM *phm, const int start_view, const int trace, const int unit_pulse); -void rayview(const PHANTOM *phm, DETARRAY *darray, const DETECTOR *det, const double xd1, const double yd1, const double xd2, const double yd2, const double xs1, const double ys1, const double xs2, const double ys2, const int unit_pulse); -double phm_ray_attenuation (const PHANTOM *phm, const double x1, const double y1, const double x2, const double y2); -double pelm_ray_attenuation (PELM *pelm, const double x1, const double y1, const double x2, const double y2); -int pelm_clip_line (const PELM *pelm, double& x1, double& y1, double& x2, double& y2); +/* raycollect.cpp */ +int raysum_collect (RAYSUM *rs, const Detector& det, const Phantom& phm, const int start_view, const int trace, const int unit_pulse); +void rayview (const Phantom& phm, DETARRAY *darray, const Detector& det, const double xd1, const double yd1, const double xd2, const double yd2, const double xs1, const double ys1, const double xs2, const double ys2, const int unit_pulse); +double phm_ray_attenuation (const Phantom& phm, const double x1, const double y1, const double x2, const double y2); +double pelem_ray_attenuation (PhantomElement& pelem, const double x1, const double y1, const double x2, const double y2); void raysum_trace_show_param (const char *label, const char *fmt, int row, int color, ...); -/* scanner.c */ -DETECTOR *detector_create(const PHANTOM *phm, const ScannerGeometry geometry, int ndet, int nview, int nsample, const double rot_anglen); -void detector_free(DETECTOR *det); - -/* rayio.c */ +/* rayio.cpp */ RAYSUM *raysum_create(const char *fname, const int nview, const int ndet); -RAYSUM *raysum_create_from_det(const char *fname, const DETECTOR *det); +RAYSUM *raysum_create_from_det(const char *fname, const Detector& det); RAYSUM *raysum_open(const char *filename); void raysum_alloc_views(RAYSUM *rs); void raysum_free(RAYSUM *rs); @@ -372,8 +290,7 @@ int detarray_read(RAYSUM *rs, DETARRAY *darray, const int view_num); int detarray_write(RAYSUM *rs, const DETARRAY *darray, const int view_num); /* From phm2image.cpp */ -void phm_to_imagefile (const PHANTOM *phm, ImageFile& im, const int col_start, const int col_count, const int nsample, const int trace); -int pelm_is_point_inside(PELM *obj, const double x, const double y, const CoordType coord_type); +void phm_to_imagefile (const Phantom& phm, ImageFile& im, const int col_start, const int col_count, const int nsample, const int trace); /* image.cpp */ void image_filter_response(ImageFile& im, const DomainType domain, double bw, const FilterType filt_type, double filt_param, const int opt_trace);