/*****************************************************************************
-** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
-**
-** $Id: ir.h,v 1.17 2000/06/03 06:29:08 kevin Exp $
-** $Log: ir.h,v $
-** Revision 1.17 2000/06/03 06:29:08 kevin
-** *** empty log message ***
-**
-** Revision 1.16 2000/05/24 22:48:17 kevin
-** First functional version of SDF library for X-window
-**
-** Revision 1.15 2000/05/16 04:33:17 kevin
-** Updated documentation
-**
-** Revision 1.14 2000/05/11 14:07:00 kevin
-** Added support for Windows NT
-**
-** Revision 1.13 2000/05/08 20:00:48 kevin
-** ANSI C changes
-**
-** Revision 1.12 2000/05/07 12:46:19 kevin
-** made c++ compatible
-**
-** Revision 1.11 2000/05/05 02:37:31 kevin
-** renamed phmelm to pelm
-**
-** Revision 1.10 2000/05/04 18:16:34 kevin
-** renamed filter definitions
+** FILE IDENTIFICATION
**
-** Revision 1.9 2000/05/04 04:29:18 kevin
-** *** empty log message ***
+** Name: ir.h
+** Purpose: Master Image Reconstruction Header
+** Programmer: Kevin Rosenberg
+** Date Started: July 1, 1984
**
-** Revision 1.8 2000/05/04 04:25:55 kevin
-** Renamed phantom and phantom-element functions/variables
-**
-** Revision 1.7 2000/05/03 19:51:41 kevin
-** function renaming for phantoms and phantom elements
-**
-** Revision 1.6 2000/05/03 08:49:49 kevin
-** Code cleanup
-**
-** Revision 1.5 2000/05/02 20:00:25 kevin
-** *** empty log message ***
-**
-** Revision 1.4 2000/05/02 15:31:39 kevin
-** code cleaning
-**
-** Revision 1.3 2000/04/29 23:24:29 kevin
-** *** empty log message ***
-**
-** Revision 1.2 2000/04/28 14:14:16 kevin
-** *** empty log message ***
-**
-** Revision 1.1.1.1 2000/04/28 13:02:43 kevin
-** Initial CVS import for first public release
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
**
+** $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
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
******************************************************************************/
-/* ir.h Header File for Image Reconstruction System
- * Programmer: Kevin Rosenberg
- * Date Started: 7-1-84
- */
-
#ifndef IR_H
#define IR_H
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#ifdef MPI_CT
-#define MPI_MAX_PROCESS 128
-struct mpi_ct_st
-{
- int my_rank;
- int nproc;
- int base_local_work_units;
- int remainder_work_units;
- int local_work_units[MPI_MAX_PROCESS];
- int start_work_unit[MPI_MAX_PROCESS];
- MPI_Comm comm;
-};
-
-extern struct mpi_ct_st mpi_ct;
-void mpi_ct_calc_work_units(const unsigned int global_work_units);
-#endif
-
-
-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 FMTX_2D IMAGE_ARRAY; /* use 2d floating point matrix */
-typedef float IMAGE_ELEM_VAL; /* use floats for image storing */
-
-struct image_st {
- IMAGE_ARRAY v; /* values of voxels in matrix form */
- SDF_2D *dfp_2d; /* Pointer to disk image file */
- int nx, ny; /* size of voxel matrix */
- double xmin, xmax, ymin, ymax; /* extent of voxel matrix in phm coord */
- char remark[MAXREMARK+1]; /* description of voxel data */
- float calctime; /* time to calculate voxels in seconds */
-};
-typedef struct image_st IMAGE;
-
-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;
-
-/*----------------------------------------------------------------------*/
-/* 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 detarray_st {
- 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 enum {
- DETECTOR_PARALLEL,
- DETECTOR_EQUIANGLE,
- DETECTOR_EQUILINEAR
-} ScannerGeometry;
-
-struct detector_st {
- 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 struct detector_st DETECTOR;
-
-struct raysum_st {
- 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 */
-
- 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 struct raysum_st 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() */
static const char D_SPATIAL_STR[]= "spatial";
typedef enum {
- D_FREQ,
+ D_FREQ = 1,
D_SPATIAL
} DomainType;
typedef enum {
- FUNC_EVEN, /* function types, f[-n] = f[n] */
+ FUNC_EVEN = 1, /* function types, f[-n] = f[n] */
FUNC_ODD, /* f[-n] = -f[n] */
FUNC_BOTH /* function has both odd & even components */
} FunctionSymmetry;
/* interpolation methods */
+#undef HAVE_BSPLINE_INTERP
typedef enum { /* Interpolation methods */
- I_NEAREST, /* Nearest neighbor */
- I_LINEAR, /* Linear interpolation */
+ I_NEAREST = 1, /* Nearest neighbor */
+#if HAVE_BSPLINE_INTERP
I_BSPLINE,
I_1BSPLINE, /* 1st order B-Spline */
I_2BSPLINE,
- I_3BSPLINE
+ I_3BSPLINE,
+#endif
+ 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";
const static int RAYSUM_TRACE_ROW_ATTEN=18;
+
/*************************************************************************
* FUNCTION DECLARATIONS
************************************************************************/
-
-void usage (const char *program);
-
-/* From reconstr.c */
-IMAGE *image_reconst (IMAGE *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.c */
-void backproj_init (const RAYSUM *rs, IMAGE *im, const BackprojType bproj_method);
-int backproj_calc (const RAYSUM *rs, IMAGE *im, const double *t, const double view_angle,
- const int interp_type, const int bproj_method);
-void backproj_term (const RAYSUM *rs, IMAGE *im, const int bproj_method);
-
-void backproj_init_trig (const RAYSUM *rs, IMAGE *im);
-int backproj_calc_trig (const RAYSUM *rs, IMAGE *im, const double *t,
- const double view_angle, const int interp_type);
-void backproj_term_trig (const RAYSUM *rs, IMAGE *im);
-void backproj_init_table (const RAYSUM *rs, IMAGE *im);
-int backproj_calc_table (const RAYSUM *rs, IMAGE *im, const double *t,
- const double view_angle, const int interp_type);
-void backproj_term_table (const RAYSUM *rs, IMAGE *im);
-void backproj_init_d (const RAYSUM *rs, IMAGE *im);
-int backproj_calc_d (const RAYSUM *rs, IMAGE *im, const double *t,
- const double view_angle, const int interp_type);
-void backproj_term_d (const RAYSUM *rs, IMAGE *im);
-void backproj_init_d2 (const RAYSUM *rs, IMAGE *im);
-int backproj_calc_d2 (const RAYSUM *rs, IMAGE *im, const double *t,
- const double view_angle, const int interp_type);
-void backproj_term_d2 (const RAYSUM *rs, IMAGE *im);
-void backproj_init_id (const RAYSUM *rs, IMAGE *im);
-int backproj_calc_id (const RAYSUM *rs, IMAGE *im, const double *t,
- const double view_angle, const int interp_type);
-void backproj_term_id (const RAYSUM *rs, IMAGE *im);
-void backproj_init_id2 (const RAYSUM *rs, IMAGE *im);
-int backproj_calc_id2 (const RAYSUM *rs, IMAGE *im, const double *t,
- const double view_angle, const int interp_type);
-void backproj_term_id2 (const RAYSUM *rs, IMAGE *im);
-/* bspline.c */
-int bspline(int samples, int zoom_factor, int spline_order, double input[], double output[]);
-
-/* convolve.c */
-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);
-int interpolation_select(void);
-int filter_select(double *filter_param);
-
-/* filter.c */
-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);
-double filter_frequency_response(int filt_type, double u, double bw, double param);
-double sinc(double x, double mult);
+/* convolve.cpp */
+double convolve (const double f1[], const double f2[], const double dx, const int n, const int np, const FunctionSymmetry func_type);
+
+/* 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.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);
+double filter_frequency_response (int filt_type, double u, double bw, double param);
+double sinc (double x, double mult);
double integral_abscos(double u, double w);
-/* image.c */
-IMAGE *image_create(const char *fname, const int nx, const int ny);
-int image_clear(IMAGE *im);
-int image_save(IMAGE *im);
-IMAGE *image_load(const char *fname);
-void image_filter_response(IMAGE *im, const DomainType domain, double bw, const FilterType filt_type, double filt_param, const int opt_trace);
-int image_display (const IMAGE *im);
-int image_display_scale (const IMAGE *im, const int scale, const double pmin, const double pmax);
-
-/* 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);
-int opt_set_interpolation(const char *optarg);
+InterpolationType opt_set_interpolation(const char *optarg);
const char *name_of_interpolation(int interp_type);
-int opt_set_filter(const char *optarg);
+FilterType opt_set_filter(const char *optarg);
const char *name_of_filter(const int filter);
DomainType opt_set_filter_domain(const char *optarg);
const char *name_of_filter_domain(const DomainType domain);
-int opt_set_backproj(const char *optarg);
+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
-
-/* phm2image.c */
-void phm_to_image(const PHANTOM *phm, IMAGE *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);
-
-/* 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);
-void raysum_trace_show_param (const char *label, const char *fmt, int row, int color, ...);
-
-/* scanner.c */
-DETECTOR *detector_create(const PHANTOM *phm, int geometry, int ndet, int nview, int nsample, const double rot_anglen);
-void detector_free(DETECTOR *det);
+/* 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);
-/* rayio.c */
-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);
-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);
-int raysum_print(const RAYSUM *rs);
+/* 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 (const ImageFile& im);
+int image_display_scale (const ImageFile& im, const int scale, const double pmin, const double pmax);
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+/* From reconstr.cpp */
+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
projects / ctsim.git / blobdiff