X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Fir.h;h=8af85727a19a74f874b3874efcde449ae1038966;hp=ffa83fb63d156cb3891d212ae8091f860a31b578;hb=f4a23943110823118f35756dd41fbd6707f04511;hpb=031437896d0dc6cac70c16e5604b10f5aa4d0767 diff --git a/include/ir.h b/include/ir.h index ffa83fb..8af8572 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 1.26 2000/06/13 16:20:31 kevin Exp $ +** $Id: ir.h,v 1.28 2000/06/17 20:12:14 kevin Exp $ ** ** ** This program is free software; you can redistribute it and/or modify @@ -30,141 +30,14 @@ #define IR_H -static const int POINTS_PER_CIRCLE=90; -#define MAXREMARK 99 - -typedef enum { - RECTANGLE, - TRIANGLE, - ELLIPSE, - SECTOR, - SEGMENT -} PElmType; - - -class PhmElement -{ - public: - 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 */ - class PhmElement *next; /* pointer to next pelm in phantom */ -}; -typedef class PhmElement 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; - - -/* Phantom class */ -class Phantom -{ -public: - 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 class Phantom PHANTOM; - - -/*----------------------------------------------------------------------*/ -/* RAYSUM SYMBOLS */ -/*----------------------------------------------------------------------*/ - -/* Ray sums are collected along an array of ndet detectors. The data - * for these detectors is stored in the structure DETECTARRAY - */ - -typedef float DETECT_TYPE; - -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 DetectorArray DETARRAY; - - -typedef enum { - DETECTOR_PARALLEL, - DETECTOR_EQUIANGLE, - DETECTOR_EQUILINEAR -} ScannerGeometry; - - -class Detector -{ - public: - ScannerGeometry geometry; /* Geometry of detectory */ - int ndet; /* Number of detectors in array */ - int nview; /* Number of rotated views */ - int nsample; /* Number of rays per detector */ - double detlen; /* Total length of detector array */ - double rotlen; /* Rotation angle length in radians (norm 2PI) */ - double det_inc; /* Increment between centers of detectors */ - double rot_inc; /* Increment in rotation angle between views */ - double radius; /* Radius of rotation. Distance from */ - /* center of phm to center of det */ - double phmlen; /* Maximum Length of phantom or area of interest */ - struct { - double xd1,yd1,xd2,yd2; /* Coordinates of detector endpoints */ - double xs1,ys1,xs2,ys2; /* Coordinates of source endpoints */ - double angle; /* Starting angle */ - } init; -}; -typedef class Detector DETECTOR; - - -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 DetectorArray **view; /* Pointer to array of detarray_st pointers */ - - char remark[MAXREMARK+1]; /* description of raysum data */ - double calctime; /* time required to calculate raysums */ - - int ndet; /* number of detectors in array */ - int nview; /* number of rotated views */ - double rot_start; /* starting view rotation */ - double rot_inc; /* angle between rotations */ - double det_start; /* distance of beginning detector to center */ - /* of PHANTOM */ - double det_inc; /* increment between detectors */ - double phmlen; /* Length of PHANTOM edge (phm is square) */ -}; -typedef class Projections RAYSUM; - +#include "phantom.h" +#include "scanner.h" +#include "projections.h" /*----------------------------------------------------------------------*/ /* 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() */ @@ -209,11 +82,6 @@ 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"; static const char O_TRACE_TEXT_STR[]= "text"; static const char O_TRACE_PHM_STR[]= "phm"; @@ -293,8 +161,8 @@ const static int RAYSUM_TRACE_ROW_ATTEN=18; double convolve (const double f1[], const double f2[], const double dx, const int n, const int np, const FunctionSymmetry func_type); /* dialogs.cpp */ -int phm_add_pelm_kb (PHANTOM *phm); -PHANTOM *phm_select (void); +bool phm_add_pelem_kb (Phantom& phm); +const Phantom& phm_select (Phantom& phm); int interpolation_select (void); int filter_select (double *filter_param); @@ -319,66 +187,8 @@ 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.cpp */ -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.cpp */ -void phm_std_herman (PHANTOM *phm); -void phm_std_rowland (PHANTOM *phm); -void phm_std_rowland_bordered (PHANTOM *phm); - -/* 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 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); -void raysum_trace_show_param (const char *label, const char *fmt, int row, int color, ...); - -/* scanner.cpp */ -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.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_open(const char *filename); -void raysum_alloc_views(RAYSUM *rs); -void raysum_free(RAYSUM *rs); -int raysum_is_open(RAYSUM *rs); -int raysum_close(RAYSUM *rs); -int raysum_read_header(RAYSUM *rs); -int raysum_write_header(RAYSUM *rs); -int raysum_read(RAYSUM *rs); -int raysum_write(RAYSUM *rs); -void raysum_print(const RAYSUM *rs); -void raysum_print_info(const RAYSUM *rs); -DETARRAY *detarray_alloc(const int n); -void detarray_free(DETARRAY *darray); -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); @@ -386,36 +196,6 @@ int image_display (const ImageFile& im); int image_display_scale (const ImageFile& im, const int scale, const double pmin, const double pmax); /* From reconstr.cpp */ -ImageFile& proj_reconst (ImageFile& im, RAYSUM *rs, const FilterType filt_type, double filt_param, InterpolationType interp_type, int interp_param, const BackprojType backproj_type, int const ir_trace); - -/* From bproj.cpp */ -void backproj_init (const RAYSUM *rs, ImageFile& im, const BackprojType bproj_method); -int backproj_calc (const RAYSUM *rs, ImageFile& im, const double *t, const double view_angle, const int interp_type, const int bproj_method); -void backproj_term (const RAYSUM *rs, ImageFile& im, const int bproj_method); - -void backproj_init_trig (const RAYSUM *rs, ImageFile& im); -int backproj_calc_trig (const RAYSUM *rs, ImageFile& im, const double *t, - const double view_angle, const int interp_type); -void backproj_term_trig (const RAYSUM *rs, ImageFile& im); -void backproj_init_table (const RAYSUM *rs, ImageFile& im); -int backproj_calc_table (const RAYSUM *rs, ImageFile& im, const double *t, - const double view_angle, const int interp_type); -void backproj_term_table (const RAYSUM *rs, ImageFile& im); -void backproj_init_d (const RAYSUM *rs, ImageFile& im); -int backproj_calc_d (const RAYSUM *rs, ImageFile& im, const double *t, - const double view_angle, const int interp_type); -void backproj_term_d (const RAYSUM *rs, ImageFile& im); -void backproj_init_d2 (const RAYSUM *rs, ImageFile& im); -int backproj_calc_d2 (const RAYSUM *rs, ImageFile& im, const double *t, - const double view_angle, const int interp_type); -void backproj_term_d2 (const RAYSUM *rs, ImageFile& im); -void backproj_init_id (const RAYSUM *rs, ImageFile& im); -int backproj_calc_id (const RAYSUM *rs, ImageFile& im, const double *t, - const double view_angle, const int interp_type); -void backproj_term_id (const RAYSUM *rs, ImageFile& im); -void backproj_init_id2 (const RAYSUM *rs, ImageFile& im); -int backproj_calc_id2 (const RAYSUM *rs, ImageFile& im, const double *t, - const double view_angle, const int interp_type); -void backproj_term_id2 (const RAYSUM *rs, ImageFile& im); +ImageFile& proj_reconst (ImageFile& im, Projections& rs, const FilterType filt_type, double filt_param, InterpolationType interp_type, int interp_param, const BackprojType backproj_type, int const ir_trace); #endif