1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2sdf.c,v 1.4 2000/04/30 04:06:13 kevin Exp $
7 ** Revision 1.4 2000/04/30 04:06:13 kevin
8 ** Update Raysum i/o routines
9 ** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
11 ** Revision 1.3 2000/04/28 18:19:01 kevin
12 ** removed unused files
14 ** Revision 1.2 2000/04/28 13:50:45 kevin
15 ** Removed Makefile Makefile.in that are automatically generated by autoconf
17 ** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
18 ** Initial CVS import for first public release
22 ** This program is free software; you can redistribute it and/or modify
23 ** it under the terms of the GNU General Public License (version 2) as
24 ** published by the Free Software Foundation.
26 ** This program is distributed in the hope that it will be useful,
27 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
28 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 ** GNU General Public License for more details.
31 ** You should have received a copy of the GNU General Public License
32 ** along with this program; if not, write to the Free Software
33 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 ******************************************************************************/
36 * phm2sdf.c Generate a SDF image from a phantom
39 * 1984 - Final DOS verion
40 * 1999 - First UNIX version
53 #define O_FILTER_DOMAIN 9
54 #define O_FILTER_BW 10
55 #define O_FILTER_PARAM 11
59 static struct option my_options[] =
61 {"phantom", 1, 0, O_PHANTOM},
62 {"picfile", 1, 0, O_PICFILE},
63 {"desc", 1, 0, O_DESC},
64 {"nsample", 1, 0, O_NSAMPLE},
65 {"filter", 1, 0, O_FILTER},
66 {"filter-domain", 1, 0, O_FILTER_DOMAIN},
67 {"filter-bw", 1, 0, O_FILTER_BW},
68 {"filter-param", 1, 0, O_FILTER_PARAM},
69 {"trace", 1, 0, O_TRACE},
70 {"verbose", 0, 0, O_VERBOSE},
71 {"debug", 0, 0, O_DEBUG},
72 {"help", 0, 0, O_HELP},
73 {"version", 0, 0, O_VERSION},
78 usage (const char *program)
80 fprintf(stdout,"usage: %s outfile nx ny [--phantom phantom-name] [--picfile filename] [--filter filter-name] [OPTIONS]\n",kbasename(program));
81 fprintf(stdout,"Generate phantom image from a predefined --phantom or a --picfile\n");
83 fprintf(stdout," outfile Name of output file for image\n");
84 fprintf(stdout," nx Number of pixels X-axis\n");
85 fprintf(stdout," ny Number of pixels Y-axis\n");
86 fprintf(stdout," --phantom Phantom to use for projection\n");
87 fprintf(stdout," herman Herman head phantom\n");
88 fprintf(stdout," rowland Rowland head phantom\n");
89 fprintf(stdout," browland Bordered Rowland head phantom\n");
90 fprintf(stdout," unitpulse Unit pulse phantom\n");
91 fprintf(stdout," --picfile Generate Phantom from picture file\n");
92 fprintf(stdout," --filter Generate Phantom from a filter function\n");
93 fprintf(stdout," abs_bandlimit Abs * Bandlimiting\n");
94 fprintf(stdout," abs_sinc Abs * Sinc\n");
95 fprintf(stdout," abs_cos Abs * Cosine\n");
96 fprintf(stdout," abs_hamming Abs * Hamming\n");
97 fprintf(stdout," shepp Shepp-Logan\n");
98 fprintf(stdout," bandlimit Bandlimiting\n");
99 fprintf(stdout," sinc Sinc\n");
100 fprintf(stdout," cos Cosine\n");
101 fprintf(stdout," triangle Triangle\n");
102 fprintf(stdout," hamming Hamming\n");
103 fprintf(stdout," --filter-param Alpha level for Hamming filter\n");
104 fprintf(stdout," --filter-domain Set domain of filter\n");
105 fprintf(stdout," spatial Spatial domain (default)\n");
106 fprintf(stdout," freq Frequency domain\n");
107 fprintf(stdout," --filter-bw Filter bandwidth (default = 1)\n");
108 fprintf(stdout," --desc Description of raysum\n");
109 fprintf(stdout," --nsample Number of samples per axis per pixel (default = 1)\n");
110 fprintf(stdout," --trace Trace level to use\n");
111 fprintf(stdout," none No tracing (default)\n");
112 fprintf(stdout," text Trace text level\n");
113 fprintf(stdout," pic Trace picture\n");
114 fprintf(stdout," rays Trace rays\n");
115 fprintf(stdout," plot Trace plot\n");
116 fprintf(stdout," clipping Trace clipping\n");
117 fprintf(stdout," --debug Debug mode\n");
118 fprintf(stdout," --verbose Verbose mode\n");
119 fprintf(stdout," --version Print version\n");
120 fprintf(stdout," --help Print this help message\n");
125 void mpi_gather_image (IMAGE *im_global, IMAGE *im_local, const int opt_debug);
129 main (const int argc, char *const argv[])
131 IMAGE *im_global = NULL;
133 int opt_nx = 0, opt_ny = 0;
137 int opt_filter_domain = D_SPATIAL;
138 char *opt_outfile = NULL;
141 char opt_desc[256], opt_picfilename[256];
142 char *endstr, *endptr;
143 double opt_filter_param = 1;
144 double opt_filter_bw = 1.;
145 int opt_trace = TRACE_NONE;
147 double time_start, time_end;
149 IMAGE *im_local = NULL;
151 char **mpi_argv = (char **) argv;
152 double mpi_t1, mpi_t2, mpi_t, mpi_t_g;
154 MPI_Init(&mpi_argc, &mpi_argv);
155 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
156 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
157 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
159 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
160 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
161 mpi_ct.nproc, MPI_MAX_PROCESS);
167 time_start = MPI_Wtime();
169 time_start = td_current_sec();
173 if (mpi_ct.my_rank == 0) {
176 strcpy(opt_desc, "");
177 strcpy(opt_picfilename, "");
179 int c = getopt_long(argc, argv, "", my_options, NULL);
188 opt_picnum = opt_set_picture(optarg, argv[0]);
191 strncpy(opt_picfilename, optarg, sizeof(opt_picfilename));
192 pic = create_pic_from_file(opt_picfilename);
194 if (mpi_ct.my_rank == 0)
195 fprintf(stderr, "Can't use picture from file in MPI mode\n");
206 opt_trace = opt_set_trace(optarg, argv[0]);
209 opt_filter = opt_set_filter(optarg, argv[0]);
211 case O_FILTER_DOMAIN:
212 opt_filter_domain = opt_set_filter_domain(optarg, argv[0]);
215 strncpy(opt_desc, optarg, sizeof(opt_desc));
218 opt_filter_bw = strtod(optarg, &endptr);
219 endstr = optarg + strlen(optarg);
220 if (endptr != endstr) {
221 fprintf(stderr,"Error setting --filter-bw to %s\n", optarg);
227 opt_filter_param = strtod(optarg, &endptr);
228 endstr = optarg + strlen(optarg);
229 if (endptr != endstr) {
230 fprintf(stderr,"Error setting --filter-param to %s\n", optarg);
236 opt_nsample = strtol(optarg, &endptr, 10);
237 endstr = optarg + strlen(optarg);
238 if (endptr != endstr) {
239 fprintf(stderr,"Error setting --nsample to %s\n", optarg);
246 fprintf(stdout, "Version %s\n", VERSION);
248 fprintf(stderr, "Unknown version number");
260 if (pic == NULL && opt_picnum == -1 && opt_filter == -1) {
261 fprintf(stderr, "No phantom defined\n");
266 if (opt_trace >= TRACE_PIC)
269 if (optind + 3 != argc) {
273 opt_outfile = argv[optind];
274 opt_nx = strtol(argv[optind+1], &endptr, 10);
275 endstr = argv[optind+1] + strlen(argv[optind+1]);
276 if (endptr != endstr) {
277 fprintf(stderr,"Error setting nx to %s\n", argv[optind+1]);
281 opt_ny = strtol(argv[optind+2], &endptr, 10);
282 endstr = argv[optind+2] + strlen(argv[optind+2]);
283 if (endptr != endstr) {
284 fprintf(stderr,"Error setting ny to %s\n", argv[optind+2]);
289 snprintf(str, sizeof(str), "nx=%d, ny=%d, nsample=%d, ", opt_nx, opt_ny, opt_nsample);
290 if (opt_picfilename[0]) {
291 strncat(str, "phantom=", sizeof(str));
292 strncat(str, opt_picfilename, sizeof(str));
294 else if (opt_picnum != -1) {
295 strncat(str, "phantom=", sizeof(str));
296 strncat(str, name_of_picture(opt_picnum), sizeof(str));
298 else if (opt_filter != -1) {
299 strncat(str, "filter=", sizeof(str));
300 strncat(str, name_of_filter(opt_filter), sizeof(str));
301 strncat(str, " - ", sizeof(str));
302 strncat(str, name_of_filter_domain(opt_filter_domain), sizeof(str));
305 strncat(str, ": ", sizeof(str));
306 strncat(str, opt_desc, sizeof(str));
308 strncpy(opt_desc, str, sizeof(opt_desc));
311 printf("Compile Phantom to Image\n\n");
317 mpi_t1 = MPI_Wtime();
318 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
319 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
320 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
321 MPI_Bcast(&opt_nx, 1, MPI_INT, 0, mpi_ct.comm);
322 MPI_Bcast(&opt_ny, 1, MPI_INT, 0, mpi_ct.comm);
323 MPI_Bcast(&opt_nsample, 1, MPI_INT, 0, mpi_ct.comm);
324 MPI_Bcast(&opt_picnum, 1, MPI_INT, 0, mpi_ct.comm);
325 MPI_Bcast(&opt_filter, 1, MPI_INT, 0, mpi_ct.comm);
326 MPI_Bcast(&opt_filter_domain, 1, MPI_INT, 0, mpi_ct.comm);
327 MPI_Bcast(&opt_filter_param, 1, MPI_DOUBLE, 0, mpi_ct.comm);
328 MPI_Bcast(&opt_filter_bw, 1, MPI_DOUBLE, 0, mpi_ct.comm);
331 mpi_t2 = MPI_Wtime();
332 mpi_t = mpi_t2 - mpi_t1;
333 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
334 if (mpi_ct.my_rank == 0)
335 printf("Time to Bcast vars = %f secs, Max time = %f\n", mpi_t, mpi_t_g);
338 mpi_ct_calc_work_units(opt_nx);
340 if (mpi_ct.my_rank == 0)
341 im_global = image_create (opt_outfile, opt_nx, opt_ny);
343 im_local = image_create(NULL, opt_nx, opt_ny);
345 im_global = image_create (opt_outfile, opt_nx, opt_ny);
349 pic = create_pic(opt_picnum);
352 if (mpi_ct.my_rank == 0)
353 fprintf(stderr, "picnum < 0\n");
359 if (pic->type == P_UNIT_PULSE) {
360 if (mpi_ct.my_rank == 0) {
361 im_global->v[opt_nx/2][opt_ny/2] = 1.;
362 im_global->calctime = 0;
364 } else if (opt_filter != -1) {
365 if (mpi_ct.my_rank == 0) {
366 image_filter_init (im_global, opt_filter_domain, opt_filter_bw, opt_filter, opt_filter_param, opt_trace);
367 im_global->calctime = 0;
371 mpi_t1 = MPI_Wtime();
372 pic_to_image (pic, im_local, mpi_ct.start_work_unit[mpi_ct.my_rank],
373 mpi_ct.local_work_units[mpi_ct.my_rank], opt_nsample, opt_trace);
375 mpi_t2 = MPI_Wtime();
376 mpi_t = mpi_t2 - mpi_t1;
377 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
378 if (mpi_ct.my_rank == 0)
379 printf("Time to compile pic = %f secs, Max time = %f\n", mpi_t, mpi_t_g);
381 mpi_gather_image(im_global, im_local, opt_debug);
384 if (pic->type == P_UNIT_PULSE) {
385 im_global->v[opt_nx/2][opt_ny/2] = 1.;
386 im_global->calctime = 0;
387 } else if (opt_filter != -1) {
388 image_filter_init (im_global, opt_filter_domain, opt_filter_bw, opt_filter, opt_filter_param, opt_trace);
389 im_global->calctime = 0;
391 pic_to_image (pic, im_global, 0, opt_nx, opt_nsample, opt_trace);
396 time_end = MPI_Wtime();
397 if (mpi_ct.my_rank == 0) {
398 im_global->calctime = time_end - time_start;
399 strncpy (im_global->remark, opt_desc, sizeof(im_global->remark));
402 if (mpi_ct.my_rank == 0) {
403 image_save (im_global);
405 fprintf (stdout, "Time to compile image = %.2f sec\n\n", im_global->calctime);
408 time_end = td_current_sec();
409 im_global->calctime = time_end - time_start;
410 strncpy (im_global->remark, opt_desc, sizeof(im_global->remark));
411 image_save (im_global);
413 if (opt_trace >= TRACE_PIC)
419 fprintf (stdout, "Time to compile image = %.2f sec\n\n", im_global->calctime);
422 if (opt_trace >= TRACE_PIC)
427 printf ("Enter size of cell (nx, ny): ");
428 scanf ("%d %d", &nx, &ny);
429 printf ("Enter minimum and maximum densities (min, max): ");
430 scanf ("%lf %lf", &dmin, &dmax);
431 // image_paint (CRTDEV, im_global, 0, 0, nx, ny, dmin, dmax, 0);
434 crt_put_stra ("Finished", 8 + C_WHITE);
444 void mpi_gather_image (IMAGE *im_global, IMAGE *im_local, const int opt_debug)
450 end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
451 for (iw = 0; iw <= end_work_unit; iw++) {
452 MPI_Send(im_local->v[iw], im_local->ny, MPI_FLOAT, 0, 0, mpi_ct.comm);
455 if (mpi_ct.my_rank == 0) {
456 for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
457 end_work_unit = mpi_ct.start_work_unit[iproc]
458 + mpi_ct.local_work_units[iproc]
462 fprintf(stdout, "Recv rs data from process %d (%d-%d)\n", iproc,
463 mpi_ct.start_work_unit[iproc], end_work_unit);
468 for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
471 MPI_Recv(im_global->v[iw], im_global->ny, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);