示例#1
0
int main(int argc, char *argv[])
{
  fitsfile *infptr = 0, *outfptr = 0;  /* FITS file pointers */
  int status = 0;   /* CFITSIO status value MUST be initialized to zero! */
  int icol = 0, incols = 0, outcols = 0, intype = 0, outtype = 0, check = 1;
  long inrep = 0, outrep = 0, width = 0, inrows = 0, outrows = 0, ii = 0, jj = 0;
  unsigned char *buffer = 0;

  int printhelp = (argc == 2 && (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0));

  if (printhelp || argc != 3) {
    fprintf(stderr, "Usage:  %s infile1[ext][filter] outfile[ext]\n", argv[0]);
    fprintf(stderr, "\n");
    fprintf(stderr, "Merge 2 tables by copying all the rows from the 1st table\n");
    fprintf(stderr, "into the 2nd table.  The  2 tables must have identical\n");
    fprintf(stderr, "structure, with the same number of columns with the same\n");
    fprintf(stderr, "datatypes.  This program modifies the output file in place,\n");
    fprintf(stderr, "rather than creating a whole new output file.\n");
    fprintf(stderr, "\n");
    fprintf(stderr, "Examples: \n");
    fprintf(stderr, "\n");
    fprintf(stderr, "1. %s intab.fit+1 outtab.fit+2\n", argv[0]);
    fprintf(stderr, "\n");
    fprintf(stderr, "    merge the table in the 1st extension of intab.fit with\n");
    fprintf(stderr, "    the table in the 2nd extension of outtab.fit.\n");
    fprintf(stderr, "\n");
    fprintf(stderr, "2. %s 'intab.fit+1[PI > 45]' outab.fits+2\n", argv[0]);
    fprintf(stderr, "\n");
    fprintf(stderr, "    Same as the 1st example, except only rows that have a PI\n");
    fprintf(stderr, "    column value > 45 will be merged into the output table.\n");
    fprintf(stderr, "\n");
    return (0);
  }

  /* open both input and output files and perform validity checks */
  if (fits_open_file(&infptr,  argv[1], READONLY,  &status) ||
      fits_open_file(&outfptr, argv[2], READWRITE, &status)) {
    fprintf(stderr, " Couldn't open both files\n");
  }

  else if (fits_get_hdu_type(infptr,  &intype,  &status) ||
           fits_get_hdu_type(outfptr, &outtype, &status)) {
    fprintf(stderr, "couldn't get the type of HDU for the files\n");
  }

  else if (intype == IMAGE_HDU) {
    fprintf(stderr, "The input HDU is an image, not a table\n");
  }

  else if (outtype == IMAGE_HDU) {
    fprintf(stderr, "The output HDU is an image, not a table\n");
  }

  else if (outtype != intype) {
    fprintf(stderr, "Input and output HDUs are not the same type of table.\n");
  }

  else if (fits_get_num_cols(infptr,  &incols,  &status) ||
           fits_get_num_cols(outfptr, &outcols, &status)) {
    fprintf(stderr, "Couldn't get number of columns in the tables\n");
  }

  else if (incols != outcols) {
    fprintf(stderr, "Input and output HDUs don't have same # of columns.\n");
  }

  else if (fits_read_key(infptr, TLONG, "NAXIS1", &width, NULL, &status)) {
    fprintf(stderr, "Couldn't get width of input table\n");
  }

  else if (!(buffer = (unsigned char *) malloc(width))) {
    fprintf(stderr, "memory allocation error\n");
  }

  else if (fits_get_num_rows(infptr,  &inrows,  &status) ||
           fits_get_num_rows(outfptr, &outrows, &status)) {
    fprintf(stderr, "Couldn't get the number of rows in the tables\n");
  }

  else  {
    /* check that the corresponding columns have the same datatypes */
    for (icol = 1; icol <= incols; icol++) {
      fits_get_coltype(infptr,  icol, &intype,  &inrep,  NULL, &status);
      fits_get_coltype(outfptr, icol, &outtype, &outrep, NULL, &status);
      if (intype != outtype || inrep != outrep) {
        fprintf(stderr, "Column %d is not the same in both tables\n", icol);
        check = 0;
      }
    }

    if (check && !status) {
      /* insert 'inrows' empty rows at the end of the output table */
      fits_insert_rows(outfptr, outrows, inrows, &status);

      for (ii = 1, jj = outrows +1; ii <= inrows; ii++, jj++) {
        /* read row from input and write it to the output table */
        fits_read_tblbytes(infptr,  ii, 1, width, buffer, &status);
        fits_write_tblbytes(outfptr, jj, 1, width, buffer, &status);
        if (status) {
          break;  /* jump out of loop if error occurred */
        }
      }

      /* all done; now free memory and close files */
      fits_close_file(outfptr, &status);
      fits_close_file(infptr,  &status);
    }
  }

  if (buffer) {
    free(buffer);
  }

  if (status) {
    fits_report_error(stderr, status);  /* print any error message */
  }
  return (status);
}
示例#2
0
int main(int argc, char *argv[])
{

    static struct option long_opts[] = {
        {"start",  1, NULL, 's'},
        {"end",    1, NULL, 'e'},
	{0,0,0,0}
    };	

    fitsfile *infptr, *outfptr;   /* FITS file pointers defined in fitsio.h */
    int opt, opti;
    int i, status = 0, ii = 1, jj=1;       /* status must always be initialized = 0  */
    int lo_row, hi_row;
    unsigned char *buffer = 0;

    long nrows;
    int ncols;
    int tfields;
    long  pcount;
    char  extname[FLEN_VALUE];
    char  *ttype[NFIELDS_I];
    char  *tform[NFIELDS_I];
    char  *tunit[NFIELDS_I];
    char  *tcomm[NFIELDS_I];

    float start=0.0, end=1.0;
    while ((opt=getopt_long(argc,argv,"s:e:h",long_opts,&opti))!=-1) {
        switch (opt) {
	    case 's':
	        start = atof(optarg);
		break;
	    case 'e':
	        end = atof(optarg);
		break;
	    case 'h':
	    default:
	        usage();
		exit(0);
		break;
	}	

    }

    if (argc < 3)
    {
      usage();
      return(0);
    }

    //printf("> %s %s\n", argv[1], argv[2]);
    //printf("> %s %s\n", argv[optind], argv[2]);


   /* Allocate space for the table parameters and initialize */
   for (i=0; i<NFIELDS_I; i++)
   {
      ttype[i] = (char *) malloc(FLEN_VALUE*sizeof(char));
      tform[i] = (char *) malloc(FLEN_VALUE*sizeof(char));
      tunit[i] = (char *) malloc(FLEN_VALUE*sizeof(char));
      tcomm[i] = (char *) malloc(FLEN_CARD*sizeof(char));
      strcpy(ttype[i], " ");
   }


    /* Open the input file */
    if ( !fits_open_file(&infptr, argv[optind], READONLY, &status) )
    {
      /* Create the output file */
      if ( !fits_create_file(&outfptr, argv[optind+1], &status) )
      {
        /* Copy every HDU until we get an error */
        //while( !fits_movabs_hdu(infptr, ii++, NULL, &status) )
	
	/* Copy first HDU */
        fits_copy_hdu(infptr, outfptr, 0, &status);

	fits_movnam_hdu(infptr, BINARY_TBL, "SUBINT", 0, &status);

	fits_get_num_rows(infptr, &nrows, &status);
	printf("Number of rows = %ld\n", nrows);
	
	fits_get_num_cols(infptr, &ncols, &status);
	printf("Number of cols = %d\n", ncols);
		
	long width;
	fits_read_key(infptr, TLONG, "NAXIS1", &width, NULL, &status);
	printf("Width = %ld\n", width);
	buffer = (unsigned char *) malloc(width);
	
	/* Copy the fits header */
	fits_copy_header(infptr, outfptr, &status);

//#if 0
	/* Determine low and high row number ot copy */
	lo_row = 1 + start * nrows;
	hi_row = end * nrows;
	printf("lo_row=%d hi_row=%d\n", lo_row, hi_row);

	for (ii=lo_row, jj=1; ii<=hi_row; ii++, jj++) {
	    printf("\rRead %d/%ld", ii, nrows);
	    fits_read_tblbytes( infptr,  ii, 1, width, buffer, &status);

	    fits_write_tblbytes(outfptr, jj, 1, width, buffer, &status);
	}
	nrows = (hi_row-lo_row)+1;
	fits_update_key(outfptr, TLONG, "NAXIS2", &nrows, 0, &status);
	printf("\nDone\n");
//#endif
        /* Reset status after normal error */
        //if (status == END_OF_FILE) status = 0;

        fits_close_file(outfptr,  &status);
      }
      fits_close_file(infptr, &status);
    }

    /* if error occured, print out error message */
    if (status) fits_report_error(stderr, status);
    return(status);
}