X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=include%2Fir.h;h=fbab3fc5d4d7450f52eafb5589166697f33d2fb5;hb=44ba0e9facc91003bf3ef32876f8b8ac5439c3c1;hp=3493e75ac90769500fdc2e448fa2622b64a78643;hpb=8fc6888d2599bb288f8ff7008994f2b66ecf6d93;p=ctsim.git diff --git a/include/ir.h b/include/ir.h index 3493e75..fbab3fc 100644 --- a/include/ir.h +++ b/include/ir.h @@ -2,8 +2,38 @@ ** This is part of the CTSim program ** Copyright (C) 1983-2000 Kevin Rosenberg ** -** $Id: ir.h,v 1.2 2000/04/28 14:14:16 kevin Exp $ +** $Id: ir.h,v 1.12 2000/05/07 12:46:19 kevin Exp $ ** $Log: ir.h,v $ +** 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 +** +** Revision 1.9 2000/05/04 04:29:18 kevin +** *** empty log message *** +** +** 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 *** ** @@ -36,6 +66,10 @@ #ifndef IR_H #define IR_H +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + #ifdef MPI_CT #define MPI_MAX_PROCESS 128 struct mpi_ct_st @@ -76,43 +110,43 @@ 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 */ + double xmin, xmax, ymin, ymax; /* extent of voxel matrix in phm coord */ char remark[LENREMARK]; /* description of voxel data */ float calctime; /* time to calculate voxels in seconds */ }; -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 */ +struct pelm_st { + int 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; /* " */ + struct { /* transform matrices */ + 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 */ } xform; - struct object_st *next; /* pointer to next object in picture */ + struct pelm_st *next; /* pointer to next pelm in phantom */ }; -typedef struct object_st OBJECT; +typedef struct pelm_st PELM; -struct pic_st { /* Picture structure */ - OBJECT *objlist; /* object list */ +struct phm_st { /* Phantom structure */ + PELM *pelm_list; /* pelm linked-list */ int type; - int numobj; /* number of objects in picture */ - double xmin, xmax, ymin, ymax; /* extent of objects in object coordinates */ - double radius; /* " " */ + int n_pelm; /* number of pelms in phantom */ + double xmin, xmax, ymin, ymax; /* extent of pelms in pelm coordinates */ + double radius; /* " " */ }; typedef struct image_st IMAGE; -typedef struct pic_st PICTURE; +typedef struct phm_st PHANTOM; -#define P_OBJECTS 0 /* Picture made of objects */ -#define P_UNIT_PULSE 1 /* Special picture, not made of objects */ +#define P_PELMS 0 /* Phantom made of pelms */ +#define P_UNIT_PULSE 1 /* Special PHANTOM, not made of pelms */ #define P_FILTER 9 /* defined only by a type */ /*----------------------------------------------------------------------*/ @@ -127,11 +161,16 @@ typedef struct pic_st PICTURE; struct detarray_st { 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 */ }; -struct detect_st { +#define DETECTOR_PARALLEL 1 +#define DETECTOR_EQUIANGLE 2 +#define DETECTOR_EQUILINEAR 3 + +struct detector_st { + int geometry; /* Geometry of detectory */ int ndet; /* Number of detectors in array */ int nview; /* Number of rotated views */ int nsample; /* Number of rays per detector */ @@ -140,8 +179,8 @@ 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 */ @@ -153,6 +192,7 @@ struct raysum_st { int fd; int file_mode; int header_size; + int geometry; struct detarray_st **view; /* Pointer to array of detarray_st pointers */ char remark[LENREMARK]; /* description of raysum data */ @@ -163,20 +203,20 @@ 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 struct detarray_st DETARRAY; -typedef struct detect_st DETECTOR; +typedef struct detector_st DETECTOR; typedef struct raysum_st RAYSUM; /*----------------------------------------------------------------------*/ /* USER SYMBOLS */ /*----------------------------------------------------------------------*/ -/* codes for object types, passed to add_obj() */ +/* codes for pelm types, passed to phm_add_pelm() */ #define O_RECTANGLE 1 #define O_TRIANGLE 2 @@ -185,25 +225,23 @@ typedef struct raysum_st RAYSUM; #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 */ +#define PELM_COORD -1 /* Normalized Pelm Coordinates */ +#define PHM_COORD -2 /* User's PHANTOM Coordinates */ /* 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 +#define FILTER_BANDLIMIT 1 /* filter types for genfilter() */ +#define FILTER_SINC 2 +#define FILTER_G_HAMMING 3 +#define FILTER_COSINE 4 +#define FILTER_TRIANGLE 5 +#define FILTER_ABS_BANDLIMIT 11 /* filters times abs() of function */ +#define FILTER_ABS_SINC 12 +#define FILTER_ABS_G_HAMMING 13 +#define FILTER_ABS_COSINE 14 +#define FILTER_SHEPP 21 /* function domains */ @@ -228,19 +266,16 @@ typedef struct raysum_st RAYSUM; #define I_2BSPLINE 4 #define I_3BSPLINE 5 -/* Constants for sizing picture */ +/* Constants for sizing PHANTOM */ -#define PERCENT_PIC_SIZE_INCR 0.0 /* Fractional increase in picture */ - /* limits compared to object size */ +#define PERCENT_PHM_SIZE_INCR 0.0 /* Fractional increase in PHANTOM */ + /* limits compared to pelm 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_PHM_STR "phm" #define O_TRACE_RAYS_STR "rays" #define O_TRACE_PLOT_STR "plot" #define O_TRACE_CLIPPING_STR "clipping" @@ -248,20 +283,20 @@ typedef struct raysum_st RAYSUM; #define TRACE_NONE 0 /* No tracing */ #define TRACE_TEXT 1 /* Minimal status */ -#define TRACE_PIC 2 /* Show picture */ +#define TRACE_PHM 2 /* Show PHANTOM */ #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_PHM_HERMAN 1 /* Herman head phantom */ +#define O_PHM_ROWLAND 2 /* Rowland head phantom */ +#define O_PHM_BROWLAND 3 /* Bordered Rowland head phantom */ +#define O_PHM_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_PHM_HERMAN_STR "herman" +#define O_PHM_ROWLAND_STR "rowland" +#define O_PHM_BROWLAND_STR "browland" +#define O_PHM_UNITPULSE_STR "unitpulse" #define O_INTERP_NEAREST_STR "nearest" #define O_INTERP_LINEAR_STR "linear" @@ -290,17 +325,17 @@ typedef struct raysum_st RAYSUM; #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 +#define RAYSUM_TRACE_ROW_TITLE 1 +#define RAYSUM_TRACE_ROW_TITLE2 2 +#define RAYSUM_TRACE_ROW_PHANT_ID 4 +#define RAYSUM_TRACE_ROW_CHROMATIC 7 +#define RAYSUM_TRACE_ROW_SCATTER 8 +#define RAYSUM_TRACE_ROW_PHOT_STAT 9 +#define RAYSUM_TRACE_ROW_NDET 12 +#define RAYSUM_TRACE_ROW_NVIEW 13 +#define RAYSUM_TRACE_ROW_SAMPLES 14 +#define RAYSUM_TRACE_ROW_CURR_VIEW 17 +#define RAYSUM_TRACE_ROW_ATTEN 18 /*----------------------------------------------------------------------*/ @@ -373,96 +408,90 @@ 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); + +/* 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(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); +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); -/* ir_vars.c */ +void image_filter_response(IMAGE *im, int domain, double bw, int filt_type, double filt_param, int opt_trace); + /* 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); +const char *name_of_phantom(const int phmid); +int opt_set_phantom(const char *optarg, const char *program); int opt_set_interpolation(const char *optarg, const char *program); +const char *name_of_interpolation(int interp_type); int opt_set_filter(const char *optarg, const char *program); 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, + +/* phm.c */ +PHANTOM *phm_create(const int phmid); +PHANTOM *phm_create_from_file(const char *fname); +PHANTOM *phm_init(void); +int phm_add_pelm_file(PHANTOM *phm, const char *fname); +void phm_add_pelm (PHANTOM *phm, const int 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, +int circle_pts(double theta); +void phm_print(PHANTOM *phm); +#if HAVE_INTERACTIVE_GRAPHICS +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); -/* 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); +int pelm_is_point_inside(const PELM *obj, double x, double y, const int 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 (const PELM *obj, const double x1, const double y1, const double x2, const double y2); +int pelm_clip_line (const PELM *obj, 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); + /* 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); +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); @@ -477,16 +506,9 @@ 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); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ #endif