X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Fir.h;h=ffa83fb63d156cb3891d212ae8091f860a31b578;hp=407b02b541a8447a70b85c6601b52609a476c4cd;hb=031437896d0dc6cac70c16e5604b10f5aa4d0767;hpb=13838bda88b63a2535b5baaf7197006767de4b8e diff --git a/include/ir.h b/include/ir.h index 407b02b..ffa83fb 100644 --- a/include/ir.h +++ b/include/ir.h @@ -1,92 +1,84 @@ -/* FILE IDENTIFICATION - * - * Name: ir.h Header File for Image Reconstruction System - * Programmer: Kevin Rosenberg - * Date Started: 7-1-84 - * Last Change: 1-20-85 - */ +/***************************************************************************** +** FILE IDENTIFICATION +** +** Name: ir.h +** Purpose: Master Image Reconstruction Header +** Programmer: Kevin Rosenberg +** Date Started: July 1, 1984 +** +** 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 $ +** +** +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License (version 2) as +** published by the Free Software Foundation. +** +** This program is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program; if not, write to the Free Software +** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +******************************************************************************/ #ifndef IR_H #define IR_H -#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 -#define POINTS_PER_CIRCLE 36 +typedef enum { + RECTANGLE, + TRIANGLE, + ELLIPSE, + SECTOR, + SEGMENT +} PElmType; -#define MAXREMARK 99 -#define LENREMARK (MAXREMARK+1) -#define IMAGE_VAL FMTX_2D /* use 2d floating point matrix */ -#define IMAGE_ELEM_TYPE DT_FLOAT /* use floats for images */ -typedef float IMAGE_ELEM_VAL; /* use floats for image storing */ -struct image_st { - IMAGE_VAL 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 pic coord */ - char remark[LENREMARK]; /* description of voxel data */ - float calctime; /* time to calculate voxels in seconds */ +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; -struct object_st { - int type; /* object type (box, ellipse, etc) */ - double atten; /* X-ray attenuation coefficient */ - double cx,cy; /* center of object */ - double u,v; /* size of object */ - double rot; /* object 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; /* object limits */ - double radius; /* " */ - struct { /* transform matrices */ - GRFMTX_2D p_to_o; /* map from pic to standard obj coords */ - GRFMTX_2D o_to_p; /* map from std object coords to pic coords */ - } xform; - struct object_st *next; /* pointer to next object in picture */ -}; +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; -typedef struct object_st OBJECT; -struct pic_st { /* Picture structure */ - OBJECT *objlist; /* object list */ - int type; - int numobj; /* number of objects in picture */ - double xmin, xmax, ymin, ymax; /* extent of objects in object coordinates */ - double radius; /* " " */ +/* 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; -typedef struct image_st IMAGE; -typedef struct pic_st PICTURE; - -#define P_OBJECTS 0 /* Picture made of objects */ -#define P_UNIT_PULSE 1 /* Special picture, not made of objects */ -#define P_FILTER 9 /* defined only by a type */ /*----------------------------------------------------------------------*/ /* RAYSUM SYMBOLS */ @@ -96,15 +88,28 @@ typedef struct pic_st PICTURE; * for these detectors is stored in the structure DETECTARRAY */ -#define DETECT_TYPE float +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 */ + int ndet; /* Number of detectors in array */ double view_angle; /* View angle in radians */ }; +typedef struct DetectorArray DETARRAY; + -struct detect_st { +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 */ @@ -113,22 +118,27 @@ struct detect_st { 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 pic to center of det */ - double piclen; /* Maximum Length of picture or area of interest */ + /* 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; -struct raysum_st { - int fd; - int file_mode; - int header_size; - struct detarray_st **view; /* Pointer to array of detarray_st pointers */ - char remark[LENREMARK]; /* description of raysum data */ +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 */ @@ -136,306 +146,220 @@ struct raysum_st { double rot_start; /* starting view rotation */ double rot_inc; /* angle between rotations */ double det_start; /* distance of beginning detector to center */ - /* of picture */ + /* of PHANTOM */ double det_inc; /* increment between detectors */ - double piclen; /* Length of picture edge (pic is square) */ + double phmlen; /* Length of PHANTOM edge (phm is square) */ }; +typedef class Projections RAYSUM; -typedef struct detarray_st DETARRAY; -typedef struct detect_st DETECTOR; -typedef struct raysum_st RAYSUM; /*----------------------------------------------------------------------*/ /* USER SYMBOLS */ /*----------------------------------------------------------------------*/ -/* codes for object types, passed to add_obj() */ - -#define O_RECTANGLE 1 -#define O_TRIANGLE 2 -#define O_ELLIPSE 3 -#define O_SECTOR 4 -#define O_SEGMENT 5 - /* Codes for Coordinate Types */ -/* Defines coords for inside_obj() */ +/* Defines coords for pelm_is_point_inside() */ -#define OBJ_COORD -1 /* Normalized Object Coordinates */ -#define PIC_COORD -2 /* User's Picture Coordinates */ +typedef enum { + PELM_COORD, /* Normalized Pelm Coordinates */ + PHM_COORD /* User's phantom Coordinates */ +} CoordType; /* Codes for Filter types */ -#define W_BANDLIMIT 1 /* filter types for genfilter() */ -#define W_SINC 2 -#define W_G_HAMMING 3 -#define W_COSINE 4 -#define W_TRIANGLE 5 - -#define W_A_BANDLIMIT 11 /* filters times abs() of function */ -#define W_A_SINC 12 -#define W_AG_HAMMING 13 -#define W_A_COSINE 14 - -#define W_SHEPP 21 +typedef enum { /* filter types for filter_generate() */ + 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 +} FilterType; /* function domains */ -#define O_FREQ_STR "freq" -#define O_SPATIAL_STR "spatial" +static const char D_FREQ_STR[]= "freq"; +static const char D_SPATIAL_STR[]= "spatial"; -#define D_FREQ 1 /* Domain names */ -#define D_SPATIAL 2 +typedef enum { + D_FREQ = 1, + D_SPATIAL +} DomainType; -/* function symmetry */ - -#define FUNC_EVEN 1 /* function types, f[-n] = f[n] */ -#define FUNC_ODD 2 /* f[-n] = -f[n] */ -#define FUNC_BOTH 3 /* function has both odd & even components */ +typedef enum { + 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 */ - -#define I_NEAREST 1 /* Interpolation methods */ -#define I_LINEAR 2 /* Linear interpolation */ -#define I_BSPLINE 3 -#define I_1BSPLINE 3 /* 1st order B-Spline */ -#define I_2BSPLINE 4 -#define I_3BSPLINE 5 - -/* Constants for sizing picture */ - -#define PERCENT_PIC_SIZE_INCR 0.0 /* Fractional increase in picture */ - /* limits compared to object size */ -#define N_EXTRA_DETECTORS 4 /* Number of extra detectors */ - /* widths when calculating detlen */ - -#define DET_PARALLEL 1 -#define DET_FAN 2 - -#define O_TRACE_NONE_STR "none" -#define O_TRACE_TEXT_STR "text" -#define O_TRACE_PIC_STR "pic" -#define O_TRACE_RAYS_STR "rays" -#define O_TRACE_PLOT_STR "plot" -#define O_TRACE_CLIPPING_STR "clipping" - - -#define TRACE_NONE 0 /* No tracing */ -#define TRACE_TEXT 1 /* Minimal status */ -#define TRACE_PIC 2 /* Show picture */ -#define TRACE_RAYS 3 /* Show all rays */ -#define TRACE_PLOT 4 /* Plot raysums */ -#define TRACE_CLIPPING 5 /* Plot clipping */ - -#define O_PIC_HERMAN 1 /* Herman head phantom */ -#define O_PIC_ROWLAND 2 /* Rowland head phantom */ -#define O_PIC_BROWLAND 3 /* Bordered Rowland head phantom */ -#define O_PIC_UNITPULSE 4 /* Unit pulse phantom */ - -#define O_PIC_HERMAN_STR "herman" -#define O_PIC_ROWLAND_STR "rowland" -#define O_PIC_BROWLAND_STR "browland" -#define O_PIC_UNITPULSE_STR "unitpulse" - -#define O_INTERP_NEAREST_STR "nearest" -#define O_INTERP_LINEAR_STR "linear" -#define O_INTERP_BSPLINE_STR "bspline" - -#define O_FILTER_ABS_BANDLIMIT_STR "abs_bandlimit" -#define O_FILTER_ABS_SINC_STR "abs_sinc" -#define O_FILTER_ABS_COS_STR "abs_cos" -#define O_FILTER_ABS_HAMMING_STR "abs_hamming" -#define O_FILTER_SHEPP_STR "shepp" -#define O_FILTER_BANDLIMIT_STR "bandlimit" -#define O_FILTER_SINC_STR "sinc" -#define O_FILTER_COS_STR "cos" -#define O_FILTER_HAMMING_STR "hamming" -#define O_FILTER_TRIANGLE_STR "triangle" - -#define O_BPROJ_TRIG 1 -#define O_BPROJ_TABLE 2 -#define O_BPROJ_DIFF 3 -#define O_BPROJ_DIFF2 4 -#define O_BPROJ_IDIFF2 5 - -#define O_BPROJ_TRIG_STR "trig" -#define O_BPROJ_TABLE_STR "table" -#define O_BPROJ_DIFF_STR "diff" -#define O_BPROJ_DIFF2_STR "diff2" -#define O_BPROJ_IDIFF2_STR "idiff2" - -#define RS_TRACE_ROW_TITLE 1 -#define RS_TRACE_ROW_TITLE2 2 -#define RS_TRACE_ROW_PHANT_ID 4 -#define RS_TRACE_ROW_CHROMATIC 7 -#define RS_TRACE_ROW_SCATTER 8 -#define RS_TRACE_ROW_PHOT_STAT 9 -#define RS_TRACE_ROW_NDET 12 -#define RS_TRACE_ROW_NVIEW 13 -#define RS_TRACE_ROW_SAMPLES 14 -#define RS_TRACE_ROW_CURR_VIEW 17 -#define RS_TRACE_ROW_ATTEN 18 - - -/*----------------------------------------------------------------------*/ -/* GRAY SCALE STRUCTURES */ -/*----------------------------------------------------------------------*/ - -#define GS_MAX_CELL_SIZE 4 - -typedef int GS_BITMASK[4][4]; - -struct greyscale_st { - int dev; /* Device to output to */ - int (*dotfunc)(int x, int y, int color); /* Pointer to dot function for device */ - int cur_x, cur_y; /* Current cell location */ - int nxcell, nycell; /* size of cell in pixels */ - int xmin, ymin; /* starting position of grey scale */ - int num_color; /* Number of primary colors available */ - int num_intens; /* Number of intensities available */ - int max_level; /* gs levels range from 0 to max_level */ - char *fg_color_tbl; /* Hold foreground color for each level */ - char *bg_color_tbl; /* Holds background color */ - char *level_sub_tbl; /* Holds value to subtract for level */ - /* before accessing bit mask */ - GS_BITMASK *bm; /* Holds grey-scale bit mask */ - struct greyscale_st *next_dev; /* Pointer to next open device */ - /* == NULL when no more devices */ +#undef HAVE_BSPLINE_INTERP +typedef enum { /* Interpolation methods */ + I_NEAREST = 1, /* Nearest neighbor */ +#if HAVE_BSPLINE_INTERP + I_BSPLINE, + I_1BSPLINE, /* 1st order B-Spline */ + I_2BSPLINE, + 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"; +static const char O_TRACE_RAYS_STR[]= "rays"; +static const char O_TRACE_PLOT_STR[]= "plot"; +static const char O_TRACE_CLIPPING_STR[]= "clipping"; + +enum { + TRACE_NONE, /* No tracing */ + TRACE_TEXT, /* Minimal status */ + TRACE_PHM, /* Show phantom */ + TRACE_RAYS, /* Show all rays */ + TRACE_PLOT, /* Plot raysums */ + TRACE_CLIPPING /* Plot clipping */ }; -typedef struct greyscale_st GREYSCALE; - - -/* From reconstr.c */ -IMAGE *image_reconst (IMAGE *im, RAYSUM *rs, int filt_type, double filt_param, int interp_type, int interp_param, const int backproj_type, int ir_trace); - -/* From bproj.c */ -void backproj_init (const RAYSUM *rs, IMAGE *im, const int 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); - -void usage (const char *program); -int main(const int argc, char * const argv[]); - - - -/* bspline.c */ -int bspline(int samples, int zoom_factor, int spline_order, double input[], double output[]); -/* clip.c */ -int inside_obj(const OBJECT *obj, double x, double y, const int coord_type); -int clipsegment(double *x1, double *y1, double *x2, double *y2, const double u, const double v); -int clipsector(double *x1, double *y1, double *x2, double *y2, const double u, const double v); -int clipcircle(double *x1, double *y1, double *x2, double *y2, const double cx, const double cy, const double radius, double t1, double t2); -int cliptriangle(double *x1, double *y1, double *x2, double *y2, const double u, const double v, const int clip_xaxis); -/* convolve.c */ -double convolve(const double f1[], const double f2[], const double dx, const int n, const int np, const int func_type); -double convolve_both(const double f1[], const double f2[], const double dx, const int n, const int np); -/* ctsub.c */ -OBJECT *alloc_obj(int n); -void dminmax(const double array[], const int pts, double *xmin, double *xmax); -void rotate2d(double x[], double y[], int pts, double angle); -void xlat2d(double x[], double y[], int pts, double xoffset, double yoffset); -void scale2d(double x[], double y[], int pts, double xfact, double yfact); -int circle_pts(double theta); -/* filt.c */ -const char *interp_name_of(int interp_type); -const char *filter_name_of(int filt_type); -int interp_select(void); -int filter_select(double *filt_param); -double d_filtfunc(int filt_type, double x, double bw, double param, int n); -double filter_freq(int filt_type, double u, double bw, double param); -double a_filtfunc(int filt_type, double x, double bw, double param); -double sinc(double x, double mult); -double abscos_int(double u, double w); -double *filter_generate(int filt_type, double bw, double xmin, double xmax, int n, double param, int domain, int numint); -void image_filter_init(IMAGE *im, int domain, double bw, int filt_type, double filt_param, int opt_trace); -/* im_draw.c */ -void image_show(IMAGE *im, int nxcell, int nycell, double densmin, double densmax, bool disp_scale); -int image_paint(int dev, IMAGE *im, int xmin, int ymin, int nxcell, int nycell, double densmin, double densmax, bool disp_scale); -int gs_image(GREYSCALE *gs, IMAGE *im, double densmin, double densmax, bool disp_scale); -void paint_cscale(GREYSCALE *gs, int nx, int ny); -GREYSCALE *gs_init(int dev, int xmin, int ymin, int nxcell, int nycell); -void gs_pixel(GREYSCALE *gs, int x, int y, int gs_level); -void gs_set_pos(GREYSCALE *gs, int x, int y); -void gs_set_at_addr(GREYSCALE *gs, int gs_level); -void gs_set_color_scale(void); -/* 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); -/* ir_vars.c */ -/* options.c */ -int opt_set_trace(const char *optarg, const char *program); -const char *name_of_picture(const int picnum); -int opt_set_picture(const char *optarg, const char *program); -int opt_set_interpolation(const char *optarg, const char *program); -int opt_set_filter(const char *optarg, const char *program); +typedef enum { + O_PHM_HERMAN, /* Herman head phantom */ + O_PHM_ROWLAND, /* Rowland head phantom */ + O_PHM_BROWLAND, /* Bordered Rowland head phantom */ + O_PHM_UNITPULSE /* Unit pulse phantom */ +} PhantomType; + +static const char O_PHM_HERMAN_STR[]= "herman"; +static const char O_PHM_ROWLAND_STR[]= "rowland"; +static const char O_PHM_BROWLAND_STR[]= "browland"; +static const char O_PHM_UNITPULSE_STR[]= "unitpulse"; + +static const char O_INTERP_NEAREST_STR[]= "nearest"; +static const char O_INTERP_LINEAR_STR[]= "linear"; +static const char O_INTERP_BSPLINE_STR[]= "bspline"; + +static const char O_FILTER_ABS_BANDLIMIT_STR[]= "abs_bandlimit"; +static const char O_FILTER_ABS_SINC_STR[]= "abs_sinc"; +static const char O_FILTER_ABS_COS_STR[]= "abs_cos"; +static const char O_FILTER_ABS_HAMMING_STR[]= "abs_hamming"; +static const char O_FILTER_SHEPP_STR[]= "shepp"; +static const char O_FILTER_BANDLIMIT_STR[]= "bandlimit"; +static const char O_FILTER_SINC_STR[]= "sinc"; +static const char O_FILTER_COS_STR[]= "cos"; +static const char O_FILTER_HAMMING_STR[]= "hamming"; +static const char O_FILTER_TRIANGLE_STR[]= "triangle"; + +typedef enum { + O_BPROJ_TRIG, + O_BPROJ_TABLE, + O_BPROJ_DIFF, + O_BPROJ_DIFF2, + O_BPROJ_IDIFF2 +} BackprojType; + +static const char O_BPROJ_TRIG_STR[]= "trig"; +static const char O_BPROJ_TABLE_STR[]= "table"; +static const char O_BPROJ_DIFF_STR[]= "diff"; +static const char O_BPROJ_DIFF2_STR[]= "diff2"; +static const char O_BPROJ_IDIFF2_STR[]= "idiff2"; + +const static int RAYSUM_TRACE_ROW_TITLE=1; +const static int RAYSUM_TRACE_ROW_TITLE2=2; +const static int RAYSUM_TRACE_ROW_PHANT_ID=4; +const static int RAYSUM_TRACE_ROW_CHROMATIC=7; +const static int RAYSUM_TRACE_ROW_SCATTER=8; +const static int RAYSUM_TRACE_ROW_PHOT_STAT=9; +const static int RAYSUM_TRACE_ROW_NDET=12; +const static int RAYSUM_TRACE_ROW_NVIEW=13; +const static int RAYSUM_TRACE_ROW_SAMPLES=14; +const static int RAYSUM_TRACE_ROW_CURR_VIEW=17; +const static int RAYSUM_TRACE_ROW_ATTEN=18; + + + +/************************************************************************* + * FUNCTION DECLARATIONS + ************************************************************************/ + +/* 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 */ +int phm_add_pelm_kb (PHANTOM *phm); +PHANTOM *phm_select (void); +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); + +/* options.cpp */ +int opt_set_trace(const char *optarg); +const char *name_of_phantom(const int phmid); +int opt_set_phantom(const char *optarg); +InterpolationType opt_set_interpolation(const char *optarg); +const char *name_of_interpolation(int interp_type); +FilterType opt_set_filter(const char *optarg); const char *name_of_filter(const int filter); -int opt_set_filter_domain(const char *optarg, const char *program); -const char *name_of_filter_domain(const int domain); -int opt_set_backproj(const char *optarg, const char *program); -const char *name_of_backproj(const int backproj); -/* pic.c */ -PICTURE *select_pic(void); -PICTURE *create_pic_from_file(const char *fname); -PICTURE *create_pic(const int picnum); -PICTURE *init_pic(void); -int add_objs_kb(PICTURE *pic); -int add_objs_file(PICTURE *pic, const char *fname); -void addobject(PICTURE *pic, const int type, const double cx, const double cy, +DomainType opt_set_filter_domain(const char *optarg); +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 makeobjpts(OBJECT *obj); -void makeobjxform(OBJECT *obj); +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); -void prt_pic(PICTURE *pic); -void show_pic(const PICTURE *pic); -void draw_pic(const PICTURE *pic); -/* pic2image.c */ -void pic_to_image(const PICTURE *pic, IMAGE *im, const int col_start, const int col_count, - const int nsample, const int trace); -/* ray.c */ -void rs_trace_showprm (const char *label, const char *fmt, int row, int color, ...); -DETECTOR *detect_create(const PICTURE *pic, int ndet, int nview, int nsample, const double rot_anglen); -void detect_free(DETECTOR *det); -int raysum_collect(RAYSUM *rs, const DETECTOR *det, const PICTURE *pic, const int start_view, - const int trace, const int unit_pulse); -void rayview(const PICTURE *pic, 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 calc_rsum(const PICTURE *pic, const double x1, const double y1, const double x2, const double y2); -double calc_objsum(const OBJECT *obj, const double x1, const double y1, const double x2, const double y2); -int clipobj(const OBJECT *obj, double *x1, double *y1, double *x2, double *y2); -/* rayio.c */ -RAYSUM *raysum_create(const char *fname, const int nview, const int ndet, const int in_memory); -RAYSUM *raysum_create_from_det(const char *fname, const DETECTOR *det, const int in_memory); +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); @@ -445,21 +369,53 @@ 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); -int raysum_print(const RAYSUM *rs); -/* phantom.c */ -void herm_head(PICTURE *pic); -void row_head(PICTURE *pic); -void row_bord_head(PICTURE *pic); -/* xform.c */ -void indent_mtx2(GRFMTX_2D m); -void xlat_mtx2(GRFMTX_2D m, const double x, const double y); -void scale_mtx2(GRFMTX_2D m, const double sx, const double sy); -void rot_mtx2(GRFMTX_2D m, const double theta); -void mult_mtx2(GRFMTX_2D m1, GRFMTX_2D m2, GRFMTX_2D result); -void xform_mtx2(GRFMTX_2D m, double *x, double *y); + +/* 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); + +/* 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); + +/* 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); #endif