X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Fir.h;h=0a04c795d74bb149107c832af9b31cbf329711a5;hp=7a3ab95ed581d5ce41e349179dedba2341d98c49;hb=07b93dbf2b66fa23c5378ab0fa42f9a7f0083380;hpb=0ed0b45e2292346f54ea196825135ccc35536bfe diff --git a/include/ir.h b/include/ir.h index 7a3ab95..0a04c79 100644 --- a/include/ir.h +++ b/include/ir.h @@ -2,8 +2,44 @@ ** This is part of the CTSim program ** Copyright (C) 1983-2000 Kevin Rosenberg ** -** $Id: ir.h,v 1.7 2000/05/03 19:51:41 kevin Exp $ +** $Id: ir.h,v 1.19 2000/06/07 00:59:38 kevin Exp $ ** $Log: ir.h,v $ +** Revision 1.19 2000/06/07 00:59:38 kevin +** added imagefiles +** +** Revision 1.18 2000/06/05 01:32:45 kevin +** Added C++ compatibility +** +** 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 +** +** 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 ** @@ -40,19 +76,17 @@ ** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ******************************************************************************/ -/* FILE IDENTIFICATION - * - * Name: ir.h Header File for Image Reconstruction System + +/* ir.h Header File for Image Reconstruction System * Programmer: Kevin Rosenberg * Date Started: 7-1-84 - * Last Change: 1-20-85 */ #ifndef IR_H #define IR_H #ifdef MPI_CT -#define MPI_MAX_PROCESS 128 +#define MPI_MAX_PROCESS 128 struct mpi_ct_st { int my_rank; @@ -79,56 +113,61 @@ typedef struct histo_st HISTOGRAM; /*---------------------------------------------------------------------------*/ -#define POINTS_PER_CIRCLE 36 +static const int POINTS_PER_CIRCLE=90; +#define MAXREMARK 99 -#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 */ +typedef FMTX_2D IMAGE_ARRAY; /* use 2d floating point matrix */ +typedef float IMAGE_ELEM_VAL; /* use floats for image storing */ struct image_st { - IMAGE_VAL v; /* values of voxels in matrix form */ + 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[LENREMARK]; /* description of voxel data */ + char remark[MAXREMARK+1]; /* description of voxel data */ float calctime; /* time to calculate voxels in seconds */ }; +typedef struct image_st IMAGE; -struct phmelem_st { - int type; /* phmelem type (box, ellipse, etc) */ - double atten; /* X-ray attenuation coefficient */ - double cx,cy; /* center of phmelem */ - double u,v; /* size of phmelem */ - double rot; /* phmelem 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; /* phmelem limits */ - double radius; /* " */ - struct { /* transform matrices */ - GRFMTX_2D p_to_o; /* map from phantom to standard phmelem coords */ - GRFMTX_2D o_to_p; /* map from std phmelem coords to phantom coords */ - } xform; - struct phmelem_st *next; /* pointer to next phmelem in phantom */ +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 phmelem_st PHMELEM; - -struct phm_st { /* Phantom structure */ - PHMELEM *objlist; /* phmelem list */ - int type; - int n_pelem; /* number of phmelems in phantom */ - double xmin, xmax, ymin, ymax; /* extent of phmelems in phmelem coordinates */ - double radius; /* " " */ +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 image_st IMAGE; typedef struct phm_st PHANTOM; -#define P_PHMELEMS 0 /* PHANTOM made of phmelems */ -#define P_UNIT_PULSE 1 /* Special PHANTOM, not made of phmelems */ -#define P_FILTER 9 /* defined only by a type */ /*----------------------------------------------------------------------*/ /* RAYSUM SYMBOLS */ @@ -138,20 +177,24 @@ typedef struct phm_st PHANTOM; * for these detectors is stored in the structure DETECTARRAY */ -#define DETECT_TYPE float +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; -#define DETECTOR_PARALLEL 1 -#define DETECTOR_EQUIANGLE 2 -#define DETECTOR_EQUILINEAR 3 -struct detect_st { - int geometry; /* Geometry of detectory */ +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 */ @@ -161,21 +204,23 @@ struct detect_st { 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 */ + 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; - int file_mode; - int header_size; + 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[LENREMARK]; /* description of raysum data */ + char remark[MAXREMARK+1]; /* description of raysum data */ double calctime; /* time required to calculate raysums */ int ndet; /* number of detectors in array */ @@ -187,173 +232,154 @@ struct raysum_st { double det_inc; /* increment between detectors */ double phmlen; /* Length of PHANTOM edge (phm is square) */ }; - -typedef struct detarray_st DETARRAY; -typedef struct detect_st DETECTOR; typedef struct raysum_st RAYSUM; /*----------------------------------------------------------------------*/ /* USER SYMBOLS */ /*----------------------------------------------------------------------*/ -/* codes for phmelem 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 Phmelem Coordinates */ -#define PHM_COORD -2 /* User's PHANTOM 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 +#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 */ -#define PERCENT_PHM_SIZE_INCR 0.0 /* Fractional increase in PHANTOM */ - /* limits compared to phmelem size */ -#define N_EXTRA_DETECTORS 4 /* Number of extra detectors */ - /* widths when calculating detlen */ - -#define O_TRACE_NONE_STR "none" -#define O_TRACE_TEXT_STR "text" -#define O_TRACE_PHM_STR "phm" -#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_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_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_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" -#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 */ +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; +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 + ************************************************************************/ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ +void usage (const char *program); /* 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); +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 int bproj_method); +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); @@ -383,89 +409,92 @@ 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[]); + /* 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(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); -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); + /* dialogs.c */ -int phm_add_pelem_kb(PHANTOM *phm); +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); +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 abscos_int(double u, double w); +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, int domain, double bw, int filt_type, double filt_param, int opt_trace); +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 */ -int opt_set_trace(const char *optarg, const char *program); +int opt_set_trace(const char *optarg); 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); +int opt_set_phantom(const char *optarg); +int opt_set_interpolation(const char *optarg); const char *name_of_interpolation(int interp_type); -int opt_set_filter(const char *optarg, const char *program); +int 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); +DomainType opt_set_filter_domain(const char *optarg); +const char *name_of_filter_domain(const DomainType domain); +int 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); -int phm_add_pelem_file(PHANTOM *phm, const char *fname); -void phm_add_pelem (PHANTOM *phm, const int type, const double cx, const double cy, +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 pelem_make_points(PHMELEM *obj); -void pelem_make_xform (PHMELEM *obj); -PHMELEM *pelem_alloc(void); +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_INTERACTIVE_GRAPHICS +#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 inside_obj(const PHMELEM *obj, double x, double y, const int coord_type); +int pelm_is_point_inside(PELM *obj, const double x, const double y, const CoordType coord_type); + /* phmstd.c */ -void herm_head(PHANTOM *phm); -void row_head(PHANTOM *phm); -void row_bord_head(PHANTOM *phm); -/* ray.c */ -DETECTOR *detect_create(const PHANTOM *phm, int ndet, int nview, int nsample, const double rot_anglen); -void detect_free(DETECTOR *det); -double calc_rsum(const PHANTOM *phm, const double x1, const double y1, const double x2, const double y2); -double calc_objsum(const PHMELEM *obj, const double x1, const double y1, const double x2, const double y2); -int clipobj(const PHMELEM *obj, double *x1, double *y1, double *x2, double *y2); +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); -void rs_trace_showprm (const char *label, const char *fmt, int row, int color, ...); +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); + /* 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); @@ -484,5 +513,8 @@ 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); +#ifdef __cplusplus +} +#endif /* __cplusplus */ #endif