1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2sdf.c,v 1.8 2000/05/11 01:06:30 kevin Exp $
7 ** Revision 1.8 2000/05/11 01:06:30 kevin
8 ** Changed sprintf to snprintf
10 ** Revision 1.7 2000/05/08 20:02:32 kevin
13 ** Revision 1.6 2000/05/03 08:49:50 kevin
16 ** Revision 1.5 2000/04/30 19:17:54 kevin
17 ** *** empty log message ***
19 ** Revision 1.4 2000/04/30 04:06:13 kevin
20 ** Update Raysum i/o routines
21 ** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
23 ** Revision 1.3 2000/04/28 18:19:01 kevin
24 ** removed unused files
26 ** Revision 1.2 2000/04/28 13:50:45 kevin
27 ** Removed Makefile Makefile.in that are automatically generated by autoconf
29 ** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
30 ** Initial CVS import for first public release
34 ** This program is free software; you can redistribute it and/or modify
35 ** it under the terms of the GNU General Public License (version 2) as
36 ** published by the Free Software Foundation.
38 ** This program is distributed in the hope that it will be useful,
39 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
40 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41 ** GNU General Public License for more details.
43 ** You should have received a copy of the GNU General Public License
44 ** along with this program; if not, write to the Free Software
45 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46 ******************************************************************************/
48 * phm2sdf.c Generate a SDF image from a phantom
51 * 1984 - Final DOS verion
52 * 1999 - First UNIX version
57 enum { O_PHANTOM, O_DESC, O_NSAMPLE, O_FILTER, O_TRACE, O_VERBOSE, O_HELP,
58 O_PHMFILE, O_FILTER_DOMAIN, O_FILTER_BW, O_FILTER_PARAM, O_DEBUG, O_VERSION };
60 static struct option my_options[] =
62 {"phantom", 1, 0, O_PHANTOM},
63 {"phmfile", 1, 0, O_PHMFILE},
64 {"desc", 1, 0, O_DESC},
65 {"nsample", 1, 0, O_NSAMPLE},
66 {"filter", 1, 0, O_FILTER},
67 {"filter-domain", 1, 0, O_FILTER_DOMAIN},
68 {"filter-bw", 1, 0, O_FILTER_BW},
69 {"filter-param", 1, 0, O_FILTER_PARAM},
70 {"trace", 1, 0, O_TRACE},
71 {"verbose", 0, 0, O_VERBOSE},
72 {"debug", 0, 0, O_DEBUG},
73 {"help", 0, 0, O_HELP},
74 {"version", 0, 0, O_VERSION},
79 usage (const char *program)
81 fprintf(stdout,"usage: %s outfile nx ny [--phantom phantom-name] [--phmfile filename] [--filter filter-name] [OPTIONS]\n",kbasename(program));
82 fprintf(stdout,"Generate phantom image from a predefined --phantom or a --phmfile\n");
84 fprintf(stdout," outfile Name of output file for image\n");
85 fprintf(stdout," nx Number of pixels X-axis\n");
86 fprintf(stdout," ny Number of pixels Y-axis\n");
87 fprintf(stdout," --phantom Phantom to use for projection\n");
88 fprintf(stdout," herman Herman head phantom\n");
89 fprintf(stdout," rowland Rowland head phantom\n");
90 fprintf(stdout," browland Bordered Rowland head phantom\n");
91 fprintf(stdout," unitpulse Unit pulse phantom\n");
92 fprintf(stdout," --phmfile Generate Phantom from phantom file\n");
93 fprintf(stdout," --filter Generate Phantom from a filter function\n");
94 fprintf(stdout," abs_bandlimit Abs * Bandlimiting\n");
95 fprintf(stdout," abs_sinc Abs * Sinc\n");
96 fprintf(stdout," abs_cos Abs * Cosine\n");
97 fprintf(stdout," abs_hamming Abs * Hamming\n");
98 fprintf(stdout," shepp Shepp-Logan\n");
99 fprintf(stdout," bandlimit Bandlimiting\n");
100 fprintf(stdout," sinc Sinc\n");
101 fprintf(stdout," cos Cosine\n");
102 fprintf(stdout," triangle Triangle\n");
103 fprintf(stdout," hamming Hamming\n");
104 fprintf(stdout," --filter-param Alpha level for Hamming filter\n");
105 fprintf(stdout," --filter-domain Set domain of filter\n");
106 fprintf(stdout," spatial Spatial domain (default)\n");
107 fprintf(stdout," freq Frequency domain\n");
108 fprintf(stdout," --filter-bw Filter bandwidth (default = 1)\n");
109 fprintf(stdout," --desc Description of raysum\n");
110 fprintf(stdout," --nsample Number of samples per axis per pixel (default = 1)\n");
111 fprintf(stdout," --trace Trace level to use\n");
112 fprintf(stdout," none No tracing (default)\n");
113 fprintf(stdout," text Trace text level\n");
114 fprintf(stdout," phm Trace phantom\n");
115 fprintf(stdout," rays Trace rays\n");
116 fprintf(stdout," plot Trace plot\n");
117 fprintf(stdout," clipping Trace clipping\n");
118 fprintf(stdout," --debug Debug mode\n");
119 fprintf(stdout," --verbose Verbose mode\n");
120 fprintf(stdout," --version Print version\n");
121 fprintf(stdout," --help Print this help message\n");
126 void mpi_gather_image (IMAGE *im_global, IMAGE *im_local, const int opt_debug);
130 main (const int argc, char *const argv[])
132 IMAGE *im_global = NULL;
134 int opt_nx = 0, opt_ny = 0;
138 int opt_filter_domain = D_SPATIAL;
139 char *opt_outfile = NULL;
142 char opt_desc[256], opt_phmfilename[256];
143 char *endstr, *endptr;
144 double opt_filter_param = 1;
145 double opt_filter_bw = 1.;
146 int opt_trace = TRACE_NONE;
148 double time_start=0, time_end=0;
150 IMAGE *im_local = NULL;
152 char **mpi_argv = (char **) argv;
153 double mpi_t1, mpi_t2, mpi_t, mpi_t_g;
155 MPI_Init(&mpi_argc, &mpi_argv);
156 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
157 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
158 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
160 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
161 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
162 mpi_ct.nproc, MPI_MAX_PROCESS);
168 time_start = MPI_Wtime();
170 time_start = td_current_sec();
174 if (mpi_ct.my_rank == 0) {
177 strcpy(opt_desc, "");
178 strcpy(opt_phmfilename, "");
180 int c = getopt_long(argc, argv, "", my_options, NULL);
189 opt_phmnum = opt_set_phantom(optarg, argv[0]);
192 strncpy(opt_phmfilename, optarg, sizeof(opt_phmfilename));
193 phm = phm_create_from_file(opt_phmfilename);
195 if (mpi_ct.my_rank == 0)
196 fprintf(stderr, "Can't use phantom from file in MPI mode\n");
207 opt_trace = opt_set_trace(optarg, argv[0]);
210 opt_filter = opt_set_filter(optarg, argv[0]);
212 case O_FILTER_DOMAIN:
213 opt_filter_domain = opt_set_filter_domain(optarg, argv[0]);
216 strncpy(opt_desc, optarg, sizeof(opt_desc));
219 opt_filter_bw = strtod(optarg, &endptr);
220 endstr = optarg + strlen(optarg);
221 if (endptr != endstr) {
222 fprintf(stderr,"Error setting --filter-bw to %s\n", optarg);
228 opt_filter_param = strtod(optarg, &endptr);
229 endstr = optarg + strlen(optarg);
230 if (endptr != endstr) {
231 fprintf(stderr,"Error setting --filter-param to %s\n", optarg);
237 opt_nsample = strtol(optarg, &endptr, 10);
238 endstr = optarg + strlen(optarg);
239 if (endptr != endstr) {
240 fprintf(stderr,"Error setting --nsample to %s\n", optarg);
247 fprintf(stdout, "Version %s\n", VERSION);
249 fprintf(stderr, "Unknown version number");
261 if (phm == NULL && opt_phmnum == -1 && opt_filter == -1) {
262 fprintf(stderr, "No phantom defined\n");
267 #if HAVE_INTERACTIVE_GRAPHICS
268 if (opt_trace >= TRACE_PHM)
272 if (optind + 3 != argc) {
276 opt_outfile = argv[optind];
277 opt_nx = strtol(argv[optind+1], &endptr, 10);
278 endstr = argv[optind+1] + strlen(argv[optind+1]);
279 if (endptr != endstr) {
280 fprintf(stderr,"Error setting nx to %s\n", argv[optind+1]);
284 opt_ny = strtol(argv[optind+2], &endptr, 10);
285 endstr = argv[optind+2] + strlen(argv[optind+2]);
286 if (endptr != endstr) {
287 fprintf(stderr,"Error setting ny to %s\n", argv[optind+2]);
292 snprintf(str, sizeof(str), "nx=%d, ny=%d, nsample=%d, ", opt_nx, opt_ny, opt_nsample);
293 if (opt_phmfilename[0]) {
294 strncat(str, "phantom=", sizeof(str));
295 strncat(str, opt_phmfilename, sizeof(str));
297 else if (opt_phmnum != -1) {
298 strncat(str, "phantom=", sizeof(str));
299 strncat(str, name_of_phantom(opt_phmnum), sizeof(str));
301 else if (opt_filter != -1) {
302 strncat(str, "filter=", sizeof(str));
303 strncat(str, name_of_filter(opt_filter), sizeof(str));
304 strncat(str, " - ", sizeof(str));
305 strncat(str, name_of_filter_domain(opt_filter_domain), sizeof(str));
308 strncat(str, ": ", sizeof(str));
309 strncat(str, opt_desc, sizeof(str));
311 strncpy(opt_desc, str, sizeof(opt_desc));
314 printf("Compile Phantom to Image\n\n");
320 mpi_t1 = MPI_Wtime();
321 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
322 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
323 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
324 MPI_Bcast(&opt_nx, 1, MPI_INT, 0, mpi_ct.comm);
325 MPI_Bcast(&opt_ny, 1, MPI_INT, 0, mpi_ct.comm);
326 MPI_Bcast(&opt_nsample, 1, MPI_INT, 0, mpi_ct.comm);
327 MPI_Bcast(&opt_phmnum, 1, MPI_INT, 0, mpi_ct.comm);
328 MPI_Bcast(&opt_filter, 1, MPI_INT, 0, mpi_ct.comm);
329 MPI_Bcast(&opt_filter_domain, 1, MPI_INT, 0, mpi_ct.comm);
330 MPI_Bcast(&opt_filter_param, 1, MPI_DOUBLE, 0, mpi_ct.comm);
331 MPI_Bcast(&opt_filter_bw, 1, MPI_DOUBLE, 0, mpi_ct.comm);
334 mpi_t2 = MPI_Wtime();
335 mpi_t = mpi_t2 - mpi_t1;
336 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
337 if (mpi_ct.my_rank == 0)
338 printf("Time to Bcast vars = %f secs, Max time = %f\n", mpi_t, mpi_t_g);
341 mpi_ct_calc_work_units(opt_nx);
343 if (mpi_ct.my_rank == 0)
344 im_global = image_create (opt_outfile, opt_nx, opt_ny);
346 im_local = image_create(NULL, opt_nx, opt_ny);
348 im_global = image_create (opt_outfile, opt_nx, opt_ny);
352 phm = phm_create (opt_phmnum);
356 if (mpi_ct.my_rank == 0)
357 fprintf(stderr, "phmnum < 0\n");
363 if (phm->type == P_UNIT_PULSE) {
364 if (mpi_ct.my_rank == 0) {
365 im_global->v[opt_nx/2][opt_ny/2] = 1.;
366 im_global->calctime = 0;
368 } else if (opt_filter != -1) {
369 if (mpi_ct.my_rank == 0) {
370 image_filter_response (im_global, opt_filter_domain, opt_filter_bw, opt_filter, opt_filter_param, opt_trace);
371 im_global->calctime = 0;
375 mpi_t1 = MPI_Wtime();
376 phm_to_image (phm, im_local, mpi_ct.start_work_unit[mpi_ct.my_rank],
377 mpi_ct.local_work_units[mpi_ct.my_rank], opt_nsample, opt_trace);
379 mpi_t2 = MPI_Wtime();
380 mpi_t = mpi_t2 - mpi_t1;
381 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
382 if (mpi_ct.my_rank == 0)
383 printf("Time to compile phm = %f secs, Max time = %f\n", mpi_t, mpi_t_g);
385 mpi_gather_image(im_global, im_local, opt_debug);
388 if (phm->type == P_UNIT_PULSE) {
389 im_global->v[opt_nx/2][opt_ny/2] = 1.;
390 im_global->calctime = 0;
391 } else if (opt_filter != -1) {
392 image_filter_response (im_global, opt_filter_domain, opt_filter_bw, opt_filter, opt_filter_param, opt_trace);
393 im_global->calctime = 0;
395 phm_to_image (phm, im_global, 0, opt_nx, opt_nsample, opt_trace);
400 time_end = MPI_Wtime();
401 if (mpi_ct.my_rank == 0) {
402 im_global->calctime = time_end - time_start;
403 strncpy (im_global->remark, opt_desc, sizeof(im_global->remark));
406 if (mpi_ct.my_rank == 0) {
407 image_save (im_global);
409 fprintf (stdout, "Time to compile image = %.2f sec\n\n", im_global->calctime);
412 time_end = td_current_sec();
413 im_global->calctime = time_end - time_start;
414 strncpy (im_global->remark, opt_desc, sizeof(im_global->remark));
415 image_save (im_global);
418 fprintf (stdout, "Time to compile image = %.2f sec\n\n", im_global->calctime);
421 if (opt_trace >= TRACE_PHM)
426 printf ("Enter size of cell (nx, ny): ");
427 scanf ("%d %d", &nx, &ny);
428 printf ("Enter minimum and maximum densities (min, max): ");
429 scanf ("%lf %lf", &dmin, &dmax);
430 // image_paint (CRTDEV, im_global, 0, 0, nx, ny, dmin, dmax, 0);
440 void mpi_gather_image (IMAGE *im_global, IMAGE *im_local, const int opt_debug)
446 end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
447 for (iw = 0; iw <= end_work_unit; iw++) {
448 MPI_Send(im_local->v[iw], im_local->ny, MPI_FLOAT, 0, 0, mpi_ct.comm);
451 if (mpi_ct.my_rank == 0) {
452 for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
453 end_work_unit = mpi_ct.start_work_unit[iproc]
454 + mpi_ct.local_work_units[iproc]
458 fprintf(stdout, "Recv rs data from process %d (%d-%d)\n", iproc,
459 mpi_ct.start_work_unit[iproc], end_work_unit);
464 for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
467 MPI_Recv(im_global->v[iw], im_global->ny, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);