** 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
#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() */
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";
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);
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);
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