1 /*****************************************************************************
5 ** Purpose: Convert an image file to a viewable image
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: April 2000
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2000 Kevin Rosenberg
12 ** $Id: if2img.cpp,v 1.2 2000/06/08 16:43:10 kevin Exp $
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License (version 2) as
16 ** published by the Free Software Foundation.
18 ** This program is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ** GNU General Public License for more details.
23 ** You should have received a copy of the GNU General Public License
24 ** along with this program; if not, write to the Free Software
25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 ******************************************************************************/
29 * if2img.c Convert an SDF file to a viewable format image
35 void sdf2d_to_png (ImageFile& im, char *outfile, int bitdepth, int nxcell, int nycell, double densmin, double densmax);
38 void sdf2d_to_gif (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax);
40 void sdf2d_to_pgm (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax);
41 void sdf2d_to_pgmasc (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax);
43 enum { O_SCALE, O_MIN, O_MAX, O_AUTO, O_CENTER, O_STATS, O_FORMAT, O_LABELS,
44 O_HELP, O_VERBOSE, O_VERSION, O_DEBUG };
46 static struct option my_options[] =
48 {"scale", 1, 0, O_SCALE},
51 {"auto", 1, 0, O_AUTO},
52 {"center", 1, 0, O_CENTER},
53 {"format", 1, 0, O_FORMAT},
54 {"labels", 0, 0, O_LABELS},
55 {"stats", 0, 0, O_STATS},
56 {"verbose", 0, 0, O_VERBOSE},
57 {"debug", 0, 0, O_DEBUG},
58 {"help", 0, 0, O_HELP},
59 {"version", 0, 0, O_VERSION},
63 enum { O_AUTO_FULL, O_AUTO_STD0_1, O_AUTO_STD0_5, O_AUTO_STD1, O_AUTO_STD2, O_AUTO_STD3 };
64 #define O_AUTO_FULL_STR "full"
65 #define O_AUTO_STD0_1_STR "std0.1"
66 #define O_AUTO_STD0_5_STR "std0.5"
67 #define O_AUTO_STD1_STR "std1"
68 #define O_AUTO_STD2_STR "std2"
69 #define O_AUTO_STD3_STR "std3"
71 enum { O_CENTER_MEAN, O_CENTER_MODE };
72 #define O_CENTER_MEAN_STR "mean"
73 #define O_CENTER_MODE_STR "mode"
75 enum { O_FORMAT_GIF, O_FORMAT_PNG, O_FORMAT_PNG16, O_FORMAT_PGM, O_FORMAT_PGMASC, O_FORMAT_DISP };
76 #define O_FORMAT_GIF_STR "gif"
77 #define O_FORMAT_PNG_STR "png"
78 #define O_FORMAT_PNG16_STR "png16"
79 #define O_FORMAT_PGM_STR "pgm"
80 #define O_FORMAT_PGMASC_STR "pgmasc"
81 #define O_FORMAT_DISP_STR "disp"
84 if2img_usage (const char *program)
86 fprintf(stdout, "usage: %s sdfname outfile [OPTIONS]\n", kbasename(program));
87 fprintf(stdout, "Convert IF file to an image file\n");
88 fprintf(stdout, "\n");
89 fprintf(stdout, " sdfname Name of input SDF file\n");
90 fprintf(stdout, " outfile Name of output file\n");
91 fprintf(stdout, " --format Output format\n");
92 fprintf(stdout, " pgm PGM (portable graymap) format (default)\n");
93 fprintf(stdout, " pgmasc PGM (portable graymap) ASCII format\n");
95 fprintf(stdout, " png PNG (8-bit) format\n");
96 fprintf(stdout, " png16 PNG (16-bit) format\n");
99 fprintf(stdout, " gif GIF format\n");
101 fprintf(stdout, " disp Display on screen\n");
102 fprintf(stdout, " --center Center of window\n");
103 fprintf(stdout, " mode Mode is center of window (default)\n");
104 fprintf(stdout, " mean Mean is center of window\n");
105 fprintf(stdout, " --auto Set auto window\n");
106 fprintf(stdout, " full Use full window (default)\n");
107 fprintf(stdout, " std0.1 Use 0.1 standard deviation about center\n");
108 fprintf(stdout, " std0.5 Use 0.5 standard deviation about center\n");
109 fprintf(stdout, " std1 Use one standard deviation about center\n");
110 fprintf(stdout, " std2 Use two standard deviations about center\n");
111 fprintf(stdout, " std3 Use three standard deviations about center\n");
112 fprintf(stdout, " --scale Scaling factor for output size\n");
113 fprintf(stdout, " --min Set minimum intensity\n");
114 fprintf(stdout, " --max Set maximum intensity\n");
115 fprintf(stdout, " --stats Print image statistics\n");
116 fprintf(stdout, " --labels Print image labels\n");
117 fprintf(stdout, " --debug Set debug mode\n");
118 fprintf(stdout, " --verbose Set verbose mode\n");
119 fprintf(stdout, " --version Print version\n");
120 fprintf(stdout, " --help Print this help message\n");
125 if2img_main (int argc, char *const argv[])
127 ImageFile* pim = NULL;
129 double densmin = HUGE_VAL, densmax = -HUGE_VAL;
130 char *in_file, *out_file;
133 int opt_auto = O_AUTO_FULL;
138 int opt_center = O_CENTER_MODE;
139 int opt_format = O_FORMAT_PGM;
144 int c = getopt_long (argc, argv, "", my_options, NULL);
155 densmin = strtod(optarg, &endptr);
156 endstr = optarg + strlen(optarg);
157 if (endptr != endstr)
159 fprintf(stderr, "Error setting --min to %s\n", optarg);
160 if2img_usage(argv[0]);
166 densmax = strtod(optarg, &endptr);
167 endstr = optarg + strlen(optarg);
168 if (endptr != endstr)
170 fprintf(stderr, "Error setting --max to %s\n", optarg);
171 if2img_usage(argv[0]);
176 opt_scale = strtol(optarg, &endptr, 10);
177 endstr = optarg + strlen(optarg);
178 if (endptr != endstr)
180 fprintf(stderr,"Error setting --scale to %s\n", optarg);
181 if2img_usage(argv[0]);
186 if (strcmp(optarg, O_AUTO_FULL_STR) == 0)
187 opt_auto = O_AUTO_FULL;
188 else if (strcmp(optarg, O_AUTO_STD1_STR) == 0)
189 opt_auto = O_AUTO_STD1;
190 else if (strcmp(optarg, O_AUTO_STD0_5_STR) == 0)
191 opt_auto = O_AUTO_STD0_5;
192 else if (strcmp(optarg, O_AUTO_STD0_1_STR) == 0)
193 opt_auto = O_AUTO_STD0_1;
194 else if (strcmp(optarg, O_AUTO_STD2_STR) == 0)
195 opt_auto = O_AUTO_STD2;
196 else if (strcmp(optarg, O_AUTO_STD3_STR) == 0)
197 opt_auto = O_AUTO_STD3;
200 fprintf(stderr, "Invalid auto mode %s\n", optarg);
201 if2img_usage(argv[0]);
206 if (strcmp(optarg, O_CENTER_MEAN_STR) == 0)
207 opt_center = O_CENTER_MEAN;
208 else if (strcmp(optarg, O_CENTER_MODE_STR) == 0)
209 opt_center = O_CENTER_MODE;
212 fprintf(stderr, "Invalid center mode %s\n", optarg);
213 if2img_usage(argv[0]);
218 if (strcmp(optarg, O_FORMAT_PGM_STR) == 0)
219 opt_format = O_FORMAT_PGM;
220 else if (strcmp(optarg, O_FORMAT_PGMASC_STR) == 0)
221 opt_format = O_FORMAT_PGMASC;
223 else if (strcmp(optarg, O_FORMAT_PNG_STR) == 0)
224 opt_format = O_FORMAT_PNG;
225 else if (strcmp(optarg, O_FORMAT_PNG16_STR) == 0)
226 opt_format = O_FORMAT_PNG16;
229 else if (strcmp(optarg, O_FORMAT_GIF_STR) == 0)
230 opt_format = O_FORMAT_GIF;
232 else if (strcmp(optarg, O_FORMAT_DISP_STR) == 0)
233 opt_format = O_FORMAT_DISP;
235 fprintf(stderr, "Invalid format mode %s\n", optarg);
236 if2img_usage(argv[0]);
254 fprintf(stdout, "Version %s\n", VERSION);
256 fprintf(stderr, "Unknown version number");
261 if2img_usage(argv[0]);
264 if2img_usage(argv[0]);
269 if ((opt_format == O_FORMAT_DISP && optind + 1 != argc)
270 || (opt_format != O_FORMAT_DISP && optind + 2 != argc))
272 if2img_usage(argv[0]);
276 in_file = argv[optind];
278 if (opt_format != O_FORMAT_DISP)
279 out_file = argv[optind+1];
280 else out_file = NULL;
282 pim = new ImageFile (in_file);
283 ImageFile& im = *pim;
284 if (! im.adf.fileRead()) {
285 fprintf(stderr, "File %s does not exist\n", in_file);
290 int nlabels = im.adf.getNumLabels();
292 for (int i = 0; i < nlabels; i++) {
293 Array2dFileLabel label;
294 im.adf.labelRead (label, i);
296 label.getDateString (str);
298 if (label.getLabelType() == Array2dFileLabel::L_HISTORY) {
299 cout << "History: " << label.getLabelString() << endl;
300 cout << " calc time = " << label.getCalcTime() << " secs" << endl;
301 cout << " Timestamp = " << str << endl;
302 } else if (label.getLabelType() == Array2dFileLabel::L_USER) {
303 cout << "Note: " << label.getLabelString() << endl;
304 cout << " Timestamp = %s" << str << endl;
309 if (opt_stats || (! (opt_set_max && opt_set_min))) {
310 double minfound = HUGE_VAL, maxfound = -HUGE_VAL;
311 double mode = 0, mean = 0, stddev = 0, window = 0;
314 int ibin, nbin = 256;
315 int max_bin, max_binindex;
319 ImageFileArray v = im.getArray();
322 for (int ix = 0; ix < nx; ix++) {
323 for (int iy = 0; iy < ny; iy++) {
324 if (v[ix][iy] > maxfound)
325 maxfound = v[ix][iy];
326 if (v[ix][iy] < minfound)
327 minfound = v[ix][iy];
331 spread = maxfound - minfound;
335 for (ibin = 0; ibin < nbin; ibin++)
337 for (int ix = 0; ix < nx; ix++) {
338 for (int iy = 0; iy < ny; iy++) {
339 int b = (int) ((((v[ix][iy] - minfound) / spread) * (double) maxbin) + 0.5);
345 for (ibin = 0; ibin < nbin; ibin++) {
346 if (hist[ibin] > max_bin) {
347 max_bin = hist[ibin];
351 mode = (((double) max_binindex) * spread / ((double) maxbin)) + minfound;
354 if (opt_auto == O_AUTO_FULL) {
360 if (opt_stats || opt_auto != O_AUTO_FULL) {
362 for (int ix = 0; ix < nx; ix++) {
363 for (int iy = 0; iy < ny; iy++) {
364 double diff = (v[ix][iy] - mean);
365 stddev += diff * diff;
368 stddev = sqrt(stddev / (nx * ny));
369 if (opt_auto == O_AUTO_FULL)
371 else if (opt_auto == O_AUTO_STD1)
373 else if (opt_auto == O_AUTO_STD0_1)
374 window = stddev * 0.1;
375 else if (opt_auto == O_AUTO_STD0_5)
376 window = stddev * 0.5;
377 else if (opt_auto == O_AUTO_STD2)
379 else if (opt_auto == O_AUTO_STD3)
382 fprintf(stderr, "Internal Error: Invalid auto mode %d\n", opt_auto);
387 fprintf(stdout,"nx=%d\n", nx);
388 fprintf(stdout,"ny=%d\n", ny);
389 fprintf(stdout,"min=%f\n", minfound);
390 fprintf(stdout,"max=%f\n", maxfound);
391 fprintf(stdout,"mean=%f\n", mean);
392 fprintf(stdout,"mode=%f\n", mode);
393 fprintf(stdout,"stddev=%f\n", stddev);
395 if (opt_auto != O_AUTO_FULL) {
398 if (opt_center == O_CENTER_MODE)
400 else if (opt_center == O_CENTER_MEAN)
403 fprintf(stderr, "Internal Error: Invalid center mode %d\n", opt_center);
407 densmax = center + window;
409 densmin = center - window;
414 fprintf(stdout,"min_disp=%f\n", densmin);
415 fprintf(stdout,"max_disp=%f\n", densmax);
418 if (opt_format == O_FORMAT_PGM)
419 sdf2d_to_pgm (im, out_file, opt_scale, opt_scale, densmin, densmax);
420 else if (opt_format == O_FORMAT_PGMASC)
421 sdf2d_to_pgmasc (im, out_file, opt_scale, opt_scale, densmin, densmax);
423 else if (opt_format == O_FORMAT_PNG)
424 sdf2d_to_png (im, out_file, 8, opt_scale, opt_scale, densmin, densmax);
425 else if (opt_format == O_FORMAT_PNG16)
426 sdf2d_to_png (im, out_file, 16, opt_scale, opt_scale, densmin, densmax);
429 else if (opt_format == O_FORMAT_GIF)
430 sdf2d_to_gif (im, out_file, opt_scale, opt_scale, densmin, densmax);
432 else if (opt_format == O_FORMAT_DISP) {
434 // image_display_scale (im, opt_scale, densmin, densmax);
436 sgp2_close(sgp2_get_active_win());
441 fprintf(stderr, "Internal Error: Invalid format mode %d\n", opt_format);
449 sdf2d_to_pgm (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax)
456 ImageFileArray v = im.getArray();
458 rowp = (unsigned char *) sys_alloc(nx * nxcell,"sdf2d_to_img");
462 if ((fp = fopen (outfile, "wb")) == NULL)
466 fprintf(fp, "%d %d\n", nx, ny);
467 fprintf(fp, "255\n");
469 for (irow = ny - 1; irow >= 0; irow--)
473 for (icol = 0; icol < nx; icol++)
477 int pos = icol * nxcell;
478 dens = (v[icol][irow] - densmin) / (densmax - densmin);
483 for (p = pos; p < pos + nxcell; p++)
485 rowp[p] = (unsigned int) (dens * 255.);
488 for (ir = 0; ir < nycell; ir++)
491 for (ic = 0; ic < nx * nxcell; ic++)
492 fprintf(fp, "%c ", rowp[ic]);
495 sys_free(rowp, "if2img");
501 sdf2d_to_pgmasc (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax)
508 ImageFileArray v = im.getArray();
510 rowp = (unsigned char *) sys_alloc(nx * nxcell,"sdf2d_to_img");
514 if ((fp = fopen (outfile, "wb")) == NULL)
518 fprintf(fp, "%d %d\n", nx, ny);
519 fprintf(fp, "255\n");
521 for (irow = ny - 1; irow >= 0; irow--)
525 for (icol = 0; icol < nx; icol++)
529 int pos = icol * nxcell;
530 dens = (v[icol][irow] - densmin) / (densmax - densmin);
535 for (p = pos; p < pos + nxcell; p++)
537 rowp[p] = (unsigned int) (dens * 255.);
540 for (ir = 0; ir < nycell; ir++)
543 for (ic = 0; ic < nx * nxcell; ic++)
544 fprintf(fp, "%d ", rowp[ic]);
548 sys_free(rowp, "if2img");
556 sdf2d_to_png (ImageFile& im, char *outfile, int bitdepth, int nxcell, int nycell, double densmin, double densmax)
563 double max_out_level = (1 << bitdepth) - 1;
566 ImageFileArray v = im.getArray();
568 rowp = (unsigned char *) sys_alloc(nx * nxcell * (bitdepth / 8),"sdf2d_to_img");
572 if ((fp = fopen (outfile, "wb")) == NULL)
575 png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
579 info_ptr = png_create_info_struct(png_ptr);
582 png_destroy_write_struct(&png_ptr, (png_infopp) NULL);
587 if (setjmp(png_ptr->jmpbuf))
589 png_destroy_write_struct(&png_ptr, &info_ptr);
594 png_init_io(png_ptr, fp);
596 png_set_IHDR(png_ptr, info_ptr, nx * nxcell, ny * nycell, bitdepth, PNG_COLOR_TYPE_GRAY, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_DEFAULT);
598 png_write_info(png_ptr, info_ptr);
599 for (irow = ny - 1; irow >= 0; irow--)
601 png_bytep row_pointer = rowp;
604 for (icol = 0; icol < nx; icol++)
609 int pos = icol * nxcell;
610 dens = (v[icol][irow] - densmin) / (densmax - densmin);
615 outval = (unsigned int) (dens * max_out_level);
616 for (p = pos; p < pos + nxcell; p++)
622 rowp[rowpos] = (outval >> 8) & 0xFF;
623 rowp[rowpos+1] = (outval & 0xFF);
627 for (ir = 0; ir < nycell; ir++)
629 png_write_rows (png_ptr, &row_pointer, 1);
632 sys_free(rowp, "if2img");
634 png_write_end(png_ptr, info_ptr);
635 png_destroy_write_struct(&png_ptr, &info_ptr);
643 #define N_GRAYSCALE 256
647 sdf2d_to_gif (ImageFile& im, char *outfile, int nxcell, int nycell, double densmin, double densmax)
652 int gs_indices[N_GRAYSCALE];
659 ImageFileArray v = im.getArray();
661 rowp = (unsigned char *) sys_alloc(nx * nxcell,"sdf2d_to_img");
665 gif = gdImageCreate(nx * nxcell, ny * nycell);
666 for (i = 0; i < N_GRAYSCALE; i++)
667 gs_indices[i] = gdImageColorAllocate(gif, i, i, i);
669 lastrow = ny * nycell - 1;
670 for (irow = 0; irow < ny; irow++)
673 int rpos = irow * nycell;
674 for (ir = rpos; ir < rpos + nycell; ir++)
676 for (icol = 0; icol < nx; icol++)
680 int cpos = icol * nxcell;
681 dens = (v[icol][irow] - densmin) / (densmax - densmin);
686 for (ic = cpos; ic < cpos + nxcell; ic++)
688 rowp[ic] = (unsigned int) (dens * (double) (N_GRAYSCALE - 1));
689 gdImageSetPixel(gif, ic, lastrow - ir, gs_indices[rowp[ic]]);
694 sys_free(rowp, "if2img");
696 if ((out = fopen(outfile,"w")) == NULL)
698 fprintf(stderr,"Error opening output file %s for writing\n", outfile);
705 fprintf(stderr, "This version does not support GIF");
711 main (int argc, char *const argv[])
713 return (if2img_main(argc, argv));