+++ /dev/null
-/*****************************************************************************
-** 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 1.28 2000/06/17 20:12:14 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
-
-
-#include "phantom.h"
-#include "scanner.h"
-#include "projections.h"
-
-/*----------------------------------------------------------------------*/
-/* USER SYMBOLS */
-/*----------------------------------------------------------------------*/
-
-/* Codes for Filter types */
-
-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 */
-
-static const char D_FREQ_STR[]= "freq";
-static const char D_SPATIAL_STR[]= "spatial";
-
-typedef enum {
- D_FREQ = 1,
- D_SPATIAL
-} DomainType;
-
-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 */
-#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;
-
-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 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 */
-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);
-
-/* 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);
-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);
-
-/* 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);
-
-/* 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, 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