head	8.7;
access;
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desc
@tdis2 tests wcssub()'s handling of distortion functions.
@


8.7
log
@WCSLIB 8.7
@
text
@/*============================================================================
  WCSLIB 8.7 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2026, Mark Calabretta

  This file is part of WCSLIB.

  WCSLIB is free software: you can redistribute it and/or modify it under the
  terms of the GNU Lesser General Public License as published by the Free
  Software Foundation, either version 3 of the License, or (at your option)
  any later version.

  WCSLIB 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 Lesser General Public License for
  more details.

  You should have received a copy of the GNU Lesser General Public License
  along with WCSLIB.  If not, see http://www.gnu.org/licenses.

  Author: Mark Calabretta, Australia Telescope National Facility, CSIRO.
  http://www.atnf.csiro.au/computing/software/wcs
  $Id: tdis2.c,v 8.6.1.2 2026/04/25 08:01:44 mcalabre Exp mcalabre $
*=============================================================================
*
* tdis2 tests wcssub()'s handling of distortion functions.  Input comes from
* the FITS file specified as an argument, or else from SIP.fits.
*
*---------------------------------------------------------------------------*/

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <wcserr.h>
#include <wcshdr.h>
#include <wcsprintf.h>
#include <lin.h>
#include <wcs.h>

#define HEADER_SIZE 36000

int main(int argc, char *argv[])

{
  // Set line buffering in case stdout is redirected to a file, otherwise
  // stdout and stderr messages will be jumbled (stderr is unbuffered).
  setvbuf(stdout, NULL, _IOLBF, 0);

  wcserr_enable(1);
  wcsprintf_set(stdout);

  wcsprintf("Testing wcssub() with distortions (tdis2.c)\n"
            "-------------------------------------------\n");

  // Optional file name specified?
  const char *infile = "SIP.fits";
  if (1 < argc) {
    infile = argv[1];
  }


  // Read in the FITS header, excluding COMMENT and HISTORY keyrecords.
  FILE *fptr;
  if ((fptr = fopen(infile, "r")) == 0) {
    wcsprintf("ERROR opening %s\n", infile);
    return 1;
  }

  int naxis[4];
  memset(naxis, 0, 2*sizeof(int));

  char header[288001];
  int hp = 0;
  int nkeyrec = 0;
  int gotend = 0;
  for (int iblock = 0; iblock < 100; iblock++) {
    for (int ikeyrec = 0; ikeyrec < 36; ikeyrec++) {
      char keyrec[81];
      if (fgets(keyrec, 81, fptr) == 0) {
        break;
      }

      if (strncmp(keyrec, "        ", 8) == 0) continue;
      if (strncmp(keyrec, "COMMENT ", 8) == 0) continue;
      if (strncmp(keyrec, "HISTORY ", 8) == 0) continue;

      if (strncmp(keyrec, "NAXIS", 5) == 0) {
        if (keyrec[5] == ' ') {
          int n;
          sscanf(keyrec+10, "%d", &n);
          if (4 < n) {
            wcsprintf("ERROR, can't handle more than 4 axes.\n");
            return 1;
          }
          continue;
        }

        int j, n;
        sscanf(keyrec+5, "%d = %d", &j, &n);
        naxis[j-1] = n;
        continue;
      }

      memcpy(header+hp, keyrec, 80);
      hp += 80;
      nkeyrec++;

      if (strncmp(keyrec, "END       ", 10) == 0) {
        // An END keyrecord was read, but read the rest of the block.
        gotend = 1;
      }
    }

    if (gotend) break;
  }
  fclose(fptr);


  // Parse the header.
  int nreject, nwcs;
  struct wcsprm *wcs;
  if ((wcspih(header, nkeyrec, WCSHDR_none, 2, &nreject, &nwcs, &wcs))) {
    wcsperr(wcs, 0x0);
    return 1;
  }

  // Extract the coordinate description for a transposed subimage and prepend
  // a new axis.  Also tests wcssub() on a struct that hasn't been set up.
  int nsub = 3;
  int axes[4];
  axes[0] = 0;
  axes[1] = WCSSUB_LATITUDE;
  axes[2] = WCSSUB_LONGITUDE;

  int status;
  struct wcsprm wcsext;
  wcsext.flag = -1;
  if ((status = wcssub(1, wcs, &nsub, axes, &wcsext))) {
    wcsperr(&wcsext, "");
    goto cleanup;
  } else if (nsub == 0) {
    printf("None of the requested subimage axes were found.\n");
    goto cleanup;
  }


  // Print the original and extracted structs.
  printf("\nInitial contents of wcsprm struct:\n");
  if ((status = wcsset(wcs))) {
    wcsperr(wcs, "");
    goto cleanup;
  };

  wcsprt(wcs);

  printf("\n\nExtracted contents of wcsprm struct:\n");
  if ((status = wcsset(&wcsext))) {
    wcsperr(&wcsext, "");
    goto cleanup;
  }

  wcsprt(&wcsext);


  // Compute distortion statistics in the initial struct.
  double pixblc[]  = {  1.0,   1.0, 1.0, 1.0};
  double pixtrc[]  = {256.0, 256.0, 1.0, 1.0};
  double pixsamp[] = {  1.0,   1.0, 1.0, 1.0};

  int nsamp;

  double stats[15];
  double *maxdis = stats;
  double *maxtot = maxdis + 4;
  double *avgdis = maxtot + 1;
  double *avgtot = avgdis + 4;
  double *rmsdis = avgtot + 1;
  double *rmstot = rmsdis + 4;

  struct linprm *lin = &(wcs->lin);
  if (linwarp(lin, pixblc, pixtrc, pixsamp, &nsamp,
              maxdis, maxtot, avgdis, avgtot, rmsdis, rmstot)) {
    linperr(lin, 0x0);
    return 1;
  }

  for (int k = 0; k < 12; k++) {
    if (fabs(stats[k]) < 0.0005) stats[k] = 0.0;
  }

  wcsprintf("\n\n"
    "Initial linwarp() statistics computed over %d sample points:\n"
    "  Max distortion, axis 1: %10.5f pixels\n"
    "                  axis 2: %10.5f pixels\n"
    "                  axis 3: %10.5f pixels\n"
    "                  axis 4: %10.5f pixels\n"
    "                   total: %10.5f pixels\n"
    " Mean distortion, axis 1: %10.5f pixels\n"
    "                  axis 2: %10.5f pixels\n"
    "                  axis 3: %10.5f pixels\n"
    "                  axis 4: %10.5f pixels\n"
    "                   total: %10.5f pixels\n"
    "  RMS distortion, axis 1: %10.5f pixels\n"
    "                  axis 2: %10.5f pixels\n"
    "                  axis 3: %10.5f pixels\n"
    "                  axis 4: %10.5f pixels\n"
    "                   total: %10.5f pixels\n",
    nsamp, maxdis[0], maxdis[1], maxdis[2], maxdis[3], *maxtot,
           avgdis[0], avgdis[1], avgdis[2], avgdis[3], *avgtot,
           rmsdis[0], rmsdis[1], rmsdis[2], rmsdis[3], *rmstot);


  // Compute distortion statistics in the extracted struct.
  pixtrc[0]  =   1.0;
  pixtrc[1]  = 256.0;
  pixtrc[2]  = 256.0;

  lin = &(wcsext.lin);
  if (linwarp(lin, pixblc, pixtrc, pixsamp, &nsamp,
              maxdis, maxtot, avgdis, avgtot, rmsdis, rmstot)) {
    linperr(lin, 0x0);
    return 1;
  }

  for (int k = 0; k < 12; k++) {
    if (fabs(stats[k]) < 0.0005) stats[k] = 0.0;
  }

  wcsprintf("\n"
    "linwarp() statistics for extract computed over the same %d points:\n"
    "  Max distortion, axis 1: %10.5f pixels\n"
    "                  axis 2: %10.5f pixels\n"
    "                  axis 3: %10.5f pixels\n"
    "                   total: %10.5f pixels\n"
    " Mean distortion, axis 1: %10.5f pixels\n"
    "                  axis 2: %10.5f pixels\n"
    "                  axis 3: %10.5f pixels\n"
    "                   total: %10.5f pixels\n"
    "  RMS distortion, axis 1: %10.5f pixels\n"
    "                  axis 2: %10.5f pixels\n"
    "                  axis 3: %10.5f pixels\n"
    "                   total: %10.5f pixels\n",
    nsamp, maxdis[0], maxdis[1], maxdis[2], *maxtot,
           avgdis[0], avgdis[1], avgdis[2], *avgtot,
           rmsdis[0], rmsdis[1], rmsdis[2], *rmstot);


cleanup:
  wcsvfree(&nwcs, &wcs);
  wcsfree(&wcsext);

  return status;
}
@


8.6
log
@WCSLIB 8.6
@
text
@d2 1
a2 1
  WCSLIB 8.6 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 8.5.1.2 2026/03/29 13:36:17 mcalabre Exp mcalabre $
d46 3
a48 11
  char *infile = "SIP.fits";

  char keyrec[81], header[288001];
  int  axes[4], gotend, iblock, ikeyrec, j, k, n, naxis[4], nkeyrec, nreject,
       nsamp, nsub, nwcs, status;
  double pixblc[4], pixsamp[4], pixtrc[4];
  double *avgdis, *avgtot, *maxdis, *maxtot, *rmsdis, *rmstot, stats[15];
  FILE   *fptr;
  struct linprm *lin;
  struct wcsprm *wcs, wcsext;

a52 4
  // Set line buffering in case stdout is redirected to a file, otherwise
  // stdout and stderr messages will be jumbled (stderr is unbuffered).
  setvbuf(stdout, NULL, _IOLBF, 0);

d57 1
d64 1
d70 1
d73 7
a79 5
  k = 0;
  nkeyrec = 0;
  gotend = 0;
  for (iblock = 0; iblock < 100; iblock++) {
    for (ikeyrec = 0; ikeyrec < 36; ikeyrec++) {
d90 1
d99 1
d105 2
a106 2
      memcpy(header+k, keyrec, 80);
      k += 80;
d121 2
d130 2
a131 1
  nsub = 3;
d136 2
d167 13
a179 19
  maxdis = stats;
  maxtot = maxdis + 4;
  avgdis = maxtot + 1;
  avgtot = avgdis + 4;
  rmsdis = avgtot + 1;
  rmstot = rmsdis + 4;

  pixblc[0]  =   1.0;
  pixblc[1]  =   1.0;
  pixblc[2]  =   1.0;
  pixblc[3]  =   1.0;
  pixtrc[0]  = 256.0;
  pixtrc[1]  = 256.0;
  pixtrc[2]  =   1.0;
  pixtrc[3]  =   1.0;
  pixsamp[0] =   1.0;
  pixsamp[1] =   1.0;
  pixsamp[2] =   1.0;
  pixsamp[3] =   1.0;
d181 1
a181 1
  lin = &(wcs->lin);
d188 1
a188 1
  for (k = 0; k < 12; k++) {
d226 1
a226 1
  for (k = 0; k < 12; k++) {
@


8.6.1.1
log
@WCSLIB 8.6 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.6 2026/03/29 13:53:56 mcalabre Exp $
@


8.6.1.2
log
@Converted to C99-style intermingled variable declarations.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.6.1.1 2026/03/29 14:19:27 mcalabre Exp mcalabre $
d46 15
a64 3
  wcserr_enable(1);
  wcsprintf_set(stdout);

a68 1
  const char *infile = "SIP.fits";
a74 1
  FILE *fptr;
a79 1
  int naxis[4];
d82 5
a86 7
  char header[288001];
  int hp = 0;
  int nkeyrec = 0;
  int gotend = 0;
  for (int iblock = 0; iblock < 100; iblock++) {
    for (int ikeyrec = 0; ikeyrec < 36; ikeyrec++) {
      char keyrec[81];
a96 1
          int n;
a104 1
        int j, n;
d110 2
a111 2
      memcpy(header+hp, keyrec, 80);
      hp += 80;
a125 2
  int nreject, nwcs;
  struct wcsprm *wcs;
d133 1
a133 2
  int nsub = 3;
  int axes[4];
a137 2
  int status;
  struct wcsprm wcsext;
d167 19
a185 13
  double pixblc[]  = {  1.0,   1.0, 1.0, 1.0};
  double pixtrc[]  = {256.0, 256.0, 1.0, 1.0};
  double pixsamp[] = {  1.0,   1.0, 1.0, 1.0};

  int nsamp;

  double stats[15];
  double *maxdis = stats;
  double *maxtot = maxdis + 4;
  double *avgdis = maxtot + 1;
  double *avgtot = avgdis + 4;
  double *rmsdis = avgtot + 1;
  double *rmstot = rmsdis + 4;
d187 1
a187 1
  struct linprm *lin = &(wcs->lin);
d194 1
a194 1
  for (int k = 0; k < 12; k++) {
d232 1
a232 1
  for (int k = 0; k < 12; k++) {
@


8.5
log
@WCSLIB 8.5
@
text
@d2 2
a3 2
  WCSLIB 8.5 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2025, Mark Calabretta
d21 2
a22 2
  http://www.atnf.csiro.au/people/Mark.Calabretta
  $Id: tdis2.c,v 8.4.1.2 2025/12/06 13:37:17 mcalabre Exp mcalabre $
@


8.5.1.1
log
@WCSLIB 8.5 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.5 2025/12/06 13:47:41 mcalabre Exp $
@


8.5.1.2
log
@Updated date in copyright notice.
@
text
@d3 1
a3 1
  Copyright (C) 1995-2026, Mark Calabretta
d21 2
a22 2
  http://www.atnf.csiro.au/computing/software/wcs
  $Id: tdis2.c,v 8.5.1.1 2025/12/06 14:05:16 mcalabre Exp mcalabre $
@


8.4
log
@WCSLIB 8.4
@
text
@d2 2
a3 2
  WCSLIB 8.4 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2024, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 8.3.1.1 2024/05/13 16:35:40 mcalabre Exp mcalabre $
@


8.4.1.1
log
@WCSLIB 8.4 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.4 2024/10/28 13:56:17 mcalabre Exp $
@


8.4.1.2
log
@Updated date in copyright notice.
@
text
@d3 1
a3 1
  Copyright (C) 1995-2025, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 8.4.1.1 2024/10/28 13:58:41 mcalabre Exp mcalabre $
@


8.3
log
@WCSLIB 8.3
@
text
@d2 1
a2 1
  WCSLIB 8.3 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 8.2.1.2 2024/04/02 14:06:10 mcalabre Exp mcalabre $
@


8.3.1.1
log
@WCSLIB 8.3 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.3 2024/05/13 16:33:00 mcalabre Exp $
@


8.2
log
@WCSLIB 8.2
@
text
@d2 2
a3 2
  WCSLIB 8.2 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2023, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 8.1.1.1 2023/07/05 17:15:00 mcalabre Exp mcalabre $
@


8.2.1.1
log
@WCSLIB 8.2 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.2 2023/11/16 10:00:30 mcalabre Exp $
@


8.2.1.2
log
@Updated date in copyright notice.
@
text
@d3 1
a3 1
  Copyright (C) 1995-2024, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 8.2.1.1 2023/11/16 10:05:58 mcalabre Exp mcalabre $
@


8.1
log
@WCSLIB 8.1
@
text
@d2 1
a2 1
  WCSLIB 8.1 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 8.0.1.1 2023/07/01 06:22:44 mcalabre Exp mcalabre $
@


8.1.1.1
log
@WCSLIB 8.1 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.1 2023/07/05 17:12:07 mcalabre Exp $
@


8.0
log
@WCSLIB 8.0
@
text
@d2 1
a2 1
  WCSLIB 8.0 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.13.1.2 2023/06/15 04:17:20 mcalabre Exp mcalabre $
@


8.0.1.1
log
@WCSLIB 8.0 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 8.0 2023/07/01 06:15:05 mcalabre Exp $
@


7.13
log
@WCSLIB 7.13
@
text
@d2 2
a3 2
  WCSLIB 7.13 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2022, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 7.12.1.1 2022/09/09 05:00:36 mcalabre Exp mcalabre $
@


7.13.1.1
log
@WCSLIB 7.13 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.13 2022/10/07 03:43:35 mcalabre Exp $
@


7.13.1.2
log
@Updated date in copyright notice.
@
text
@d3 1
a3 1
  Copyright (C) 1995-2023, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 7.13.1.1 2022/10/07 03:45:47 mcalabre Exp mcalabre $
@


7.12
log
@WCSLIB 7.12
@
text
@d2 1
a2 1
  WCSLIB 7.12 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.11.1.1 2022/04/26 06:15:32 mcalabre Exp mcalabre $
@


7.12.1.1
log
@WCSLIB 7.12 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.12 2022/09/09 04:57:58 mcalabre Exp $
@


7.11
log
@WCSLIB 7.11
@
text
@d2 1
a2 1
  WCSLIB 7.11 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.10.1.1 2022/04/23 14:26:54 mcalabre Exp mcalabre $
@


7.11.1.1
log
@WCSLIB 7.11 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.11 2022/04/26 06:13:52 mcalabre Exp $
@


7.10
log
@WCSLIB 7.10
@
text
@d2 1
a2 1
  WCSLIB 7.10 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.9.1.1 2022/03/25 15:16:40 mcalabre Exp mcalabre $
@


7.10.1.1
log
@WCSLIB 7.10 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.10 2022/04/23 14:25:15 mcalabre Exp $
@


7.9
log
@WCSLIB 7.9
@
text
@d2 1
a2 1
  WCSLIB 7.9 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.8.1.1 2022/03/25 06:14:15 mcalabre Exp mcalabre $
@


7.9.1.1
log
@WCSLIB 7.9 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.9 2022/03/25 15:14:49 mcalabre Exp $
@


7.8
log
@WCSLIB 7.8
@
text
@d2 1
a2 1
  WCSLIB 7.8 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.7.1.2 2022/03/25 06:05:59 mcalabre Exp mcalabre $
@


7.8.1.1
log
@WCSLIB 7.8 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.8 2022/03/25 06:11:49 mcalabre Exp $
@


7.7
log
@WCSLIB 7.7
@
text
@d2 2
a3 2
  WCSLIB 7.7 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2021, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 7.6.1.1 2021/04/13 13:00:36 mcalabre Exp mcalabre $
@


7.7.1.1
log
@WCSLIB 7.7 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.7 2021/07/12 06:36:49 mcalabre Exp $
@


7.7.1.2
log
@Updated date in copyright notice.
@
text
@d3 1
a3 1
  Copyright (C) 1995-2022, Mark Calabretta
d22 1
a22 1
  $Id: tdis2.c,v 7.7.1.1 2021/07/12 06:38:27 mcalabre Exp mcalabre $
@


7.6
log
@WCSLIB 7.6
@
text
@d2 1
a2 1
  WCSLIB 7.6 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.5.1.1 2021/03/20 05:56:42 mcalabre Exp mcalabre $
@


7.6.1.1
log
@WCSLIB 7.6 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.6 2021/04/13 12:57:01 mcalabre Exp $
@


7.5
log
@WCSLIB 7.5
@
text
@d2 1
a2 1
  WCSLIB 7.5 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.4.1.1 2021/01/31 02:26:24 mcalabre Exp mcalabre $
@


7.5.1.1
log
@WCSLIB 7.5 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.5 2021/03/20 05:54:58 mcalabre Exp $
@


7.4
log
@WCSLIB 7.4
@
text
@d2 1
a2 1
  WCSLIB 7.4 - an implementation of the FITS WCS standard.
d22 1
a22 1
  $Id: tdis2.c,v 7.3.1.4 2021/01/28 12:31:20 mcalabre Exp mcalabre $
@


7.4.1.1
log
@WCSLIB 7.4 development branch.
@
text
@d22 1
a22 1
  $Id: tdis2.c,v 7.4 2021/01/31 02:24:52 mcalabre Exp $
@


7.3
log
@WCSLIB 7.3
@
text
@d2 2
a3 3

  WCSLIB 7.3 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2020, Mark Calabretta
a19 2
  Direct correspondence concerning WCSLIB to mark@@calabretta.id.au

d22 1
a22 1
  $Id: tdis2.c,v 7.2.1.1 2020/03/09 07:34:50 mcalabre Exp mcalabre $
d61 2
a62 2
  /* Set line buffering in case stdout is redirected to a file, otherwise
   * stdout and stderr messages will be jumbled (stderr is unbuffered). */
d68 1
a68 1
  /* Optional file name specified? */
d74 1
a74 1
  /* Read in the FITS header, excluding COMMENT and HISTORY keyrecords. */
d115 1
a115 1
        /* An END keyrecord was read, but read the rest of the block. */
d125 1
a125 1
  /* Parse the header. */
d131 2
a132 2
  /* Extract the coordinate description for a transposed subimage and prepend
     a new axis.  Also tests wcssub() on a struct that hasn't been set up. */
d148 1
a148 1
  /* Print the original and extracted structs. */
d166 1
a166 1
  /* Compute distortion statistics in the initial struct. */
d220 1
a220 1
  /* Compute distortion statistics in the extracted struct. */
@


7.3.1.1
log
@WCSLIB 7.3 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 7.3 2020/06/03 03:37:03 mcalabre Exp $
@


7.3.1.2
log
@Switched to C99 style commenting (i.e. using //) within the code.
@
text
@d2 1
d25 1
a25 1
  $Id: tdis2.c,v 7.3.1.1 2020/06/03 03:38:11 mcalabre Exp mcalabre $
d64 2
a65 2
  // Set line buffering in case stdout is redirected to a file, otherwise
  // stdout and stderr messages will be jumbled (stderr is unbuffered).
d71 1
a71 1
  // Optional file name specified?
d77 1
a77 1
  // Read in the FITS header, excluding COMMENT and HISTORY keyrecords.
d118 1
a118 1
        // An END keyrecord was read, but read the rest of the block.
d128 1
a128 1
  // Parse the header.
d134 2
a135 2
  // Extract the coordinate description for a transposed subimage and prepend
  // a new axis.  Also tests wcssub() on a struct that hasn't been set up.
d151 1
a151 1
  // Print the original and extracted structs.
d169 1
a169 1
  // Compute distortion statistics in the initial struct.
d223 1
a223 1
  // Compute distortion statistics in the extracted struct.
@


7.3.1.3
log
@Updated date in copyright notice.
@
text
@d3 1
a3 1
  Copyright (C) 1995-2021, Mark Calabretta
d24 1
a24 1
  $Id: tdis2.c,v 7.3.1.2 2020/08/17 11:20:48 mcalabre Exp mcalabre $
@


7.3.1.4
log
@Removed my email address from the copyright notice.
@
text
@d20 2
d24 1
a24 1
  $Id: tdis2.c,v 7.3.1.3 2021/01/19 14:10:01 mcalabre Exp mcalabre $
@


7.2
log
@WCSLIB 7.2
@
text
@d3 1
a3 1
  WCSLIB 7.2 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 7.1.1.1 2019/12/31 13:28:19 mcalabre Exp mcalabre $
@


7.2.1.1
log
@WCSLIB 7.2 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 7.2 2020/03/09 07:31:23 mcalabre Exp $
@


7.1
log
@WCSLIB 7.1
@
text
@d3 1
a3 1
  WCSLIB 7.1 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 6.4.1.3 2019/12/31 03:28:29 mcalabre Exp mcalabre $
@


7.1.1.1
log
@WCSLIB 7.1 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 7.1 2019/12/31 13:25:19 mcalabre Exp $
@


6.4
log
@WCSLIB 6.4
@
text
@d3 2
a4 2
  WCSLIB 6.4 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2019, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 6.3.1.1 2019/07/12 07:34:37 mcalabre Exp mcalabre $
d113 1
a113 1
      strncpy(header+k, keyrec, 80);
@


6.4.1.1
log
@WCSLIB 6.4 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 6.4 2019/08/15 09:30:18 mcalabre Exp $
@


6.4.1.2
log
@Consequent on warnings from gcc 9.2.0 with -Wstringop-truncation (via -Wall),
replaced use of strncpy() with memcpy().
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 6.4.1.1 2019/08/15 09:31:29 mcalabre Exp mcalabre $
d113 1
a113 1
      memcpy(header+k, keyrec, 80);
@


6.4.1.3
log
@Updated date in copyright notice.
@
text
@d4 1
a4 1
  Copyright (C) 1995-2020, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 6.4.1.2 2019/12/03 06:14:52 mcalabre Exp mcalabre $
@


6.3
log
@WCSLIB 6.3
@
text
@d3 1
a3 1
  WCSLIB 6.3 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 6.2.1.2 2019/05/10 02:01:28 mcalabre Exp mcalabre $
@


6.3.1.1
log
@WCSLIB 6.3 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 6.3 2019/07/12 07:33:39 mcalabre Exp $
@


6.2
log
@WCSLIB 6.2
@
text
@d3 2
a4 2
  WCSLIB 6.2 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2018, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 6.1.1.1 2018/10/19 08:36:15 mcalabre Exp mcalabre $
@


6.2.1.1
log
@WCSLIB 6.2 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 6.2 2018/10/20 10:03:14 mcalabre Exp $
@


6.2.1.2
log
@Updated date in copyright notice.
@
text
@d4 1
a4 1
  Copyright (C) 1995-2019, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 6.2.1.1 2018/10/20 10:04:15 mcalabre Exp mcalabre $
@


6.1
log
@WCSLIB 6.1
@
text
@d3 1
a3 1
  WCSLIB 6.1 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.20.1.1 2018/10/05 05:33:33 mcalabre Exp mcalabre $
@


6.1.1.1
log
@WCSLIB 6.1 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 6.1 2018/10/19 08:35:17 mcalabre Exp $
@


5.20
log
@WCSLIB 5.20
@
text
@d3 1
a3 1
  WCSLIB 5.20 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.19.1.1 2018/07/26 15:41:41 mcalabre Exp mcalabre $
@


5.20.1.1
log
@WCSLIB 5.20 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.20 2018/10/05 05:32:41 mcalabre Exp $
@


5.19
log
@WCSLIB 5.19
@
text
@d3 1
a3 1
  WCSLIB 5.19 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.18.1.1 2018/01/10 08:33:04 mcalabre Exp mcalabre $
@


5.19.1.1
log
@WCSLIB 5.19 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.19 2018/07/26 15:37:05 mcalabre Exp $
@


5.18
log
@WCSLIB 5.18
@
text
@d3 1
a3 1
  WCSLIB 5.18 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.17.1.2 2018/01/10 08:26:04 mcalabre Exp mcalabre $
@


5.18.1.1
log
@WCSLIB 5.18 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.18 2018/01/10 08:32:14 mcalabre Exp $
@


5.17
log
@WCSLIB 5.17
@
text
@d3 2
a4 2
  WCSLIB 5.17 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2017, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 5.16.1.1 2017/01/15 04:29:01 mcalabre Exp mcalabre $
@


5.17.1.1
log
@WCSLIB 5.17 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.17 2017/09/18 08:44:24 mcalabre Exp $
@


5.17.1.2
log
@Updated date in copyright notice.
@
text
@d4 1
a4 1
  Copyright (C) 1995-2018, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 5.17.1.1 2017/09/18 08:46:00 mcalabre Exp mcalabre $
@


5.16
log
@WCSLIB 5.16
@
text
@d3 1
a3 1
  WCSLIB 5.16 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.15.1.2 2017/01/15 04:14:22 mcalabre Exp mcalabre $
@


5.16.1.1
log
@WCSLIB 5.16 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.16 2017/01/15 04:25:02 mcalabre Exp $
@


5.15
log
@WCSLIB 5.15
@
text
@d3 2
a4 2
  WCSLIB 5.15 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2016, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 5.14.1.1 2016/02/07 10:52:46 mcalabre Exp mcalabre $
@


5.15.1.1
log
@WCSLIB 5.15 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.15 2016/04/05 12:55:11 mcalabre Exp $
@


5.15.1.2
log
@Updated date in copyright notice.
@
text
@d4 1
a4 1
  Copyright (C) 1995-2017, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 5.15.1.1 2016/04/05 12:58:37 mcalabre Exp mcalabre $
@


5.14
log
@WCSLIB 5.14
@
text
@d3 1
a3 1
  WCSLIB 5.14 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.13.1.1 2016/01/26 08:54:34 mcalabre Exp mcalabre $
@


5.14.1.1
log
@WCSLIB 5.14 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.14 2016/02/07 10:49:32 mcalabre Exp $
@


5.13
log
@WCSLIB 5.13
@
text
@d3 1
a3 1
  WCSLIB 5.13 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.12.1.2 2016/01/25 05:17:40 mcalabre Exp mcalabre $
@


5.13.1.1
log
@WCSLIB 5.13 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.13 2016/01/26 08:51:15 mcalabre Exp $
@


5.12
log
@WCSLIB 5.12
@
text
@d3 2
a4 2
  WCSLIB 5.12 - an implementation of the FITS WCS standard.
  Copyright (C) 1995-2015, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 5.11.1.1 2015/10/18 09:16:29 mcalabre Exp mcalabre $
@


5.12.1.1
log
@WCSLIB 5.12 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.12 2015/11/15 02:13:01 mcalabre Exp $
@


5.12.1.2
log
@Updated date in copyright notice.
@
text
@d4 1
a4 1
  Copyright (C) 1995-2016, Mark Calabretta
d25 1
a25 1
  $Id: tdis2.c,v 5.12.1.1 2015/11/15 02:16:16 mcalabre Exp mcalabre $
@


5.11
log
@WCSLIB 5.11
@
text
@d3 1
a3 1
  WCSLIB 5.11 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.10.1.1 2015/10/09 08:22:37 mcalabre Exp mcalabre $
@


5.11.1.1
log
@WCSLIB 5.11 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.11 2015/10/18 09:13:06 mcalabre Exp $
@


5.10
log
@WCSLIB 5.10
@
text
@d3 1
a3 1
  WCSLIB 5.10 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.9.1.1 2015/07/21 09:28:10 mcalabre Exp mcalabre $
@


5.10.1.1
log
@WCSLIB 5.10 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.10 2015/10/09 08:19:16 mcalabre Exp $
@


5.9
log
@WCSLIB 5.9
@
text
@d3 1
a3 1
  WCSLIB 5.9 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.8.1.1 2015/07/08 11:07:20 mcalabre Exp mcalabre $
@


5.9.1.1
log
@WCSLIB 5.9 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.9 2015/07/21 09:20:03 mcalabre Exp $
@


5.8
log
@WCSLIB 5.8
@
text
@d3 1
a3 1
  WCSLIB 5.8 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id: tdis2.c,v 5.7.1.1 2015/06/29 02:47:25 mcalabre Exp mcalabre $
@


5.8.1.1
log
@WCSLIB 5.8 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.8 2015/07/08 11:04:01 mcalabre Exp $
@


5.7
log
@WCSLIB 5.7
@
text
@d3 1
a3 1
  WCSLIB 5.7 - an implementation of the FITS WCS standard.
d25 1
a25 1
  $Id$
@


5.7.1.1
log
@WCSLIB 5.7 development branch.
@
text
@d25 1
a25 1
  $Id: tdis2.c,v 5.7 2015/06/29 02:44:17 mcalabre Exp $
@


1.0
log
@Empty revision.
@
text
@d1 263
@
