1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986
|
/* This file, putcolk.c, contains routines that write data elements to */
/* a FITS image or table, with 'unsigned int' datatype. */
/* The FITSIO software was written by William Pence at the High Energy */
/* Astrophysic Science Archive Research Center (HEASARC) at the NASA */
/* Goddard Space Flight Center. */
#include <limits.h>
#include <string.h>
#include <stdlib.h>
#include "fitsio2.h"
/*--------------------------------------------------------------------------*/
int ffppruk(fitsfile *fptr, /* I - FITS file pointer */
long group, /* I - group to write(1 = 1st group) */
LONGLONG firstelem, /* I - first vector element to write(1 = 1st) */
LONGLONG nelem, /* I - number of values to write */
unsigned int *array, /* I - array of values that are written */
int *status) /* IO - error status */
/*
Write an array of values to the primary array. Data conversion
and scaling will be performed if necessary (e.g, if the datatype of
the FITS array is not the same as the array being written).
*/
{
long row;
unsigned int nullvalue;
/*
the primary array is represented as a binary table:
each group of the primary array is a row in the table,
where the first column contains the group parameters
and the second column contains the image itself.
*/
if (fits_is_compressed_image(fptr, status))
{
/* this is a compressed image in a binary table */
fits_write_compressed_pixels(fptr, TUINT, firstelem, nelem,
0, array, &nullvalue, status);
return(*status);
}
row=maxvalue(1,group);
ffpcluk(fptr, 2, row, firstelem, nelem, array, status);
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffppnuk(fitsfile *fptr, /* I - FITS file pointer */
long group, /* I - group to write(1 = 1st group) */
LONGLONG firstelem, /* I - first vector element to write(1 = 1st) */
LONGLONG nelem, /* I - number of values to write */
unsigned int *array, /* I - array of values that are written */
unsigned int nulval, /* I - undefined pixel value */
int *status) /* IO - error status */
/*
Write an array of values to the primary array. Data conversion
and scaling will be performed if necessary (e.g, if the datatype of the
FITS array is not the same as the array being written). Any array values
that are equal to the value of nulval will be replaced with the null
pixel value that is appropriate for this column.
*/
{
long row;
unsigned int nullvalue;
/*
the primary array is represented as a binary table:
each group of the primary array is a row in the table,
where the first column contains the group parameters
and the second column contains the image itself.
*/
if (fits_is_compressed_image(fptr, status))
{
/* this is a compressed image in a binary table */
nullvalue = nulval; /* set local variable */
fits_write_compressed_pixels(fptr, TUINT, firstelem, nelem,
1, array, &nullvalue, status);
return(*status);
}
row=maxvalue(1,group);
ffpcnuk(fptr, 2, row, firstelem, nelem, array, nulval, status);
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffp2duk(fitsfile *fptr, /* I - FITS file pointer */
long group, /* I - group to write(1 = 1st group) */
LONGLONG ncols, /* I - number of pixels in each row of array */
LONGLONG naxis1, /* I - FITS image NAXIS1 value */
LONGLONG naxis2, /* I - FITS image NAXIS2 value */
unsigned int *array, /* I - array to be written */
int *status) /* IO - error status */
/*
Write an entire 2-D array of values to the primary array. Data conversion
and scaling will be performed if necessary (e.g, if the datatype of the
FITS array is not the same as the array being written).
*/
{
/* call the 3D writing routine, with the 3rd dimension = 1 */
ffp3duk(fptr, group, ncols, naxis2, naxis1, naxis2, 1, array, status);
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffp3duk(fitsfile *fptr, /* I - FITS file pointer */
long group, /* I - group to write(1 = 1st group) */
LONGLONG ncols, /* I - number of pixels in each row of array */
LONGLONG nrows, /* I - number of rows in each plane of array */
LONGLONG naxis1, /* I - FITS image NAXIS1 value */
LONGLONG naxis2, /* I - FITS image NAXIS2 value */
LONGLONG naxis3, /* I - FITS image NAXIS3 value */
unsigned int *array, /* I - array to be written */
int *status) /* IO - error status */
/*
Write an entire 3-D cube of values to the primary array. Data conversion
and scaling will be performed if necessary (e.g, if the datatype of the
FITS array is not the same as the array being written).
*/
{
long tablerow, ii, jj;
long fpixel[3]= {1,1,1}, lpixel[3];
LONGLONG nfits, narray;
/*
the primary array is represented as a binary table:
each group of the primary array is a row in the table,
where the first column contains the group parameters
and the second column contains the image itself.
*/
if (fits_is_compressed_image(fptr, status))
{
/* this is a compressed image in a binary table */
lpixel[0] = (long) ncols;
lpixel[1] = (long) nrows;
lpixel[2] = (long) naxis3;
fits_write_compressed_img(fptr, TUINT, fpixel, lpixel,
0, array, NULL, status);
return(*status);
}
tablerow=maxvalue(1,group);
if (ncols == naxis1 && nrows == naxis2) /* arrays have same size? */
{
/* all the image pixels are contiguous, so write all at once */
ffpcluk(fptr, 2, tablerow, 1L, naxis1 * naxis2 * naxis3, array, status);
return(*status);
}
if (ncols < naxis1 || nrows < naxis2)
return(*status = BAD_DIMEN);
nfits = 1; /* next pixel in FITS image to write to */
narray = 0; /* next pixel in input array to be written */
/* loop over naxis3 planes in the data cube */
for (jj = 0; jj < naxis3; jj++)
{
/* loop over the naxis2 rows in the FITS image, */
/* writing naxis1 pixels to each row */
for (ii = 0; ii < naxis2; ii++)
{
if (ffpcluk(fptr, 2, tablerow, nfits, naxis1,&array[narray],status) > 0)
return(*status);
nfits += naxis1;
narray += ncols;
}
narray += (nrows - naxis2) * ncols;
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffpssuk(fitsfile *fptr, /* I - FITS file pointer */
long group, /* I - group to write(1 = 1st group) */
long naxis, /* I - number of data axes in array */
long *naxes, /* I - size of each FITS axis */
long *fpixel, /* I - 1st pixel in each axis to write (1=1st) */
long *lpixel, /* I - last pixel in each axis to write */
unsigned int *array, /* I - array to be written */
int *status) /* IO - error status */
/*
Write a subsection of pixels to the primary array or image.
A subsection is defined to be any contiguous rectangular
array of pixels within the n-dimensional FITS data file.
Data conversion and scaling will be performed if necessary
(e.g, if the datatype of the FITS array is not the same as
the array being written).
*/
{
long tablerow;
LONGLONG fpix[7], dimen[7], astart, pstart;
LONGLONG off2, off3, off4, off5, off6, off7;
LONGLONG st10, st20, st30, st40, st50, st60, st70;
LONGLONG st1, st2, st3, st4, st5, st6, st7;
long ii, i1, i2, i3, i4, i5, i6, i7, irange[7];
if (*status > 0)
return(*status);
if (fits_is_compressed_image(fptr, status))
{
/* this is a compressed image in a binary table */
fits_write_compressed_img(fptr, TUINT, fpixel, lpixel,
0, array, NULL, status);
return(*status);
}
if (naxis < 1 || naxis > 7)
return(*status = BAD_DIMEN);
tablerow=maxvalue(1,group);
/* calculate the size and number of loops to perform in each dimension */
for (ii = 0; ii < 7; ii++)
{
fpix[ii]=1;
irange[ii]=1;
dimen[ii]=1;
}
for (ii = 0; ii < naxis; ii++)
{
fpix[ii]=fpixel[ii];
irange[ii]=lpixel[ii]-fpixel[ii]+1;
dimen[ii]=naxes[ii];
}
i1=irange[0];
/* compute the pixel offset between each dimension */
off2 = dimen[0];
off3 = off2 * dimen[1];
off4 = off3 * dimen[2];
off5 = off4 * dimen[3];
off6 = off5 * dimen[4];
off7 = off6 * dimen[5];
st10 = fpix[0];
st20 = (fpix[1] - 1) * off2;
st30 = (fpix[2] - 1) * off3;
st40 = (fpix[3] - 1) * off4;
st50 = (fpix[4] - 1) * off5;
st60 = (fpix[5] - 1) * off6;
st70 = (fpix[6] - 1) * off7;
/* store the initial offset in each dimension */
st1 = st10;
st2 = st20;
st3 = st30;
st4 = st40;
st5 = st50;
st6 = st60;
st7 = st70;
astart = 0;
for (i7 = 0; i7 < irange[6]; i7++)
{
for (i6 = 0; i6 < irange[5]; i6++)
{
for (i5 = 0; i5 < irange[4]; i5++)
{
for (i4 = 0; i4 < irange[3]; i4++)
{
for (i3 = 0; i3 < irange[2]; i3++)
{
pstart = st1 + st2 + st3 + st4 + st5 + st6 + st7;
for (i2 = 0; i2 < irange[1]; i2++)
{
if (ffpcluk(fptr, 2, tablerow, pstart, i1, &array[astart],
status) > 0)
return(*status);
astart += i1;
pstart += off2;
}
st2 = st20;
st3 = st3+off3;
}
st3 = st30;
st4 = st4+off4;
}
st4 = st40;
st5 = st5+off5;
}
st5 = st50;
st6 = st6+off6;
}
st6 = st60;
st7 = st7+off7;
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffpgpuk(fitsfile *fptr, /* I - FITS file pointer */
long group, /* I - group to write(1 = 1st group) */
long firstelem, /* I - first vector element to write(1 = 1st) */
long nelem, /* I - number of values to write */
unsigned int *array, /* I - array of values that are written */
int *status) /* IO - error status */
/*
Write an array of group parameters to the primary array. Data conversion
and scaling will be performed if necessary (e.g, if the datatype of
the FITS array is not the same as the array being written).
*/
{
long row;
/*
the primary array is represented as a binary table:
each group of the primary array is a row in the table,
where the first column contains the group parameters
and the second column contains the image itself.
*/
row=maxvalue(1,group);
ffpcluk(fptr, 1L, row, firstelem, nelem, array, status);
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffpcluk(fitsfile *fptr, /* I - FITS file pointer */
int colnum, /* I - number of column to write (1 = 1st col) */
LONGLONG firstrow, /* I - first row to write (1 = 1st row) */
LONGLONG firstelem, /* I - first vector element to write (1 = 1st) */
LONGLONG nelem, /* I - number of values to write */
unsigned int *array, /* I - array of values to write */
int *status) /* IO - error status */
/*
Write an array of values to a column in the current FITS HDU.
The column number may refer to a real column in an ASCII or binary table,
or it may refer to a virtual column in a 1 or more grouped FITS primary
array. FITSIO treats a primary array as a binary table
with 2 vector columns: the first column contains the group parameters (often
with length = 0) and the second column contains the array of image pixels.
Each row of the table represents a group in the case of multigroup FITS
images.
The input array of values will be converted to the datatype of the column
and will be inverse-scaled by the FITS TSCALn and TZEROn values if necessary.
*/
{
int tcode, maxelem, hdutype;
long twidth, incre;
long ntodo;
LONGLONG repeat, startpos, elemnum, wrtptr, rowlen, rownum, remain, next, tnull;
double scale, zero;
char tform[20], cform[20];
char message[FLEN_ERRMSG];
char snull[20]; /* the FITS null value */
double cbuff[DBUFFSIZE / sizeof(double)]; /* align cbuff on word boundary */
void *buffer;
if (*status > 0) /* inherit input status value if > 0 */
return(*status);
/* call the 'short' or 'long' version of this routine, if possible */
if (sizeof(int) == sizeof(short))
ffpclui(fptr, colnum, firstrow, firstelem, nelem,
(unsigned short *) array, status);
else if (sizeof(int) == sizeof(long))
ffpcluj(fptr, colnum, firstrow, firstelem, nelem,
(unsigned long *) array, status);
else
{
/*
This is a special case: sizeof(int) is not equal to sizeof(short) or
sizeof(long). This occurs on Alpha OSF systems where short = 2 bytes,
int = 4 bytes, and long = 8 bytes.
*/
buffer = cbuff;
/*---------------------------------------------------*/
/* Check input and get parameters about the column: */
/*---------------------------------------------------*/
if (ffgcprll( fptr, colnum, firstrow, firstelem, nelem, 1, &scale, &zero,
tform, &twidth, &tcode, &maxelem, &startpos, &elemnum, &incre,
&repeat, &rowlen, &hdutype, &tnull, snull, status) > 0)
return(*status);
if (tcode == TSTRING)
ffcfmt(tform, cform); /* derive C format for writing strings */
/*---------------------------------------------------------------------*/
/* Now write the pixels to the FITS column. */
/* First call the ffXXfYY routine to (1) convert the datatype */
/* if necessary, and (2) scale the values by the FITS TSCALn and */
/* TZEROn linear scaling parameters into a temporary buffer. */
/*---------------------------------------------------------------------*/
remain = nelem; /* remaining number of values to write */
next = 0; /* next element in array to be written */
rownum = 0; /* row number, relative to firstrow */
while (remain)
{
/* limit the number of pixels to process a one time to the number that
will fit in the buffer space or to the number of pixels that remain
in the current vector, which ever is smaller.
*/
ntodo = (long) minvalue(remain, maxelem);
ntodo = (long) minvalue(ntodo, (repeat - elemnum));
wrtptr = startpos + ((LONGLONG)rownum * rowlen) + (elemnum * incre);
ffmbyt(fptr, wrtptr, IGNORE_EOF, status); /* move to write position */
switch (tcode)
{
case (TLONG):
/* convert the raw data before writing to FITS file */
ffuintfi4(&array[next], ntodo, scale, zero,
(INT32BIT *) buffer, status);
ffpi4b(fptr, ntodo, incre, (INT32BIT *) buffer, status);
break;
case (TLONGLONG):
ffuintfi8(&array[next], ntodo, scale, zero,
(LONGLONG *) buffer, status);
ffpi8b(fptr, ntodo, incre, (long *) buffer, status);
break;
case (TBYTE):
ffuintfi1(&array[next], ntodo, scale, zero,
(unsigned char *) buffer, status);
ffpi1b(fptr, ntodo, incre, (unsigned char *) buffer, status);
break;
case (TSHORT):
ffuintfi2(&array[next], ntodo, scale, zero,
(short *) buffer, status);
ffpi2b(fptr, ntodo, incre, (short *) buffer, status);
break;
case (TFLOAT):
ffuintfr4(&array[next], ntodo, scale, zero,
(float *) buffer, status);
ffpr4b(fptr, ntodo, incre, (float *) buffer, status);
break;
case (TDOUBLE):
ffuintfr8(&array[next], ntodo, scale, zero,
(double *) buffer, status);
ffpr8b(fptr, ntodo, incre, (double *) buffer, status);
break;
case (TSTRING): /* numerical column in an ASCII table */
if (cform[1] != 's') /* "%s" format is a string */
{
ffuintfstr(&array[next], ntodo, scale, zero, cform,
twidth, (char *) buffer, status);
if (incre == twidth) /* contiguous bytes */
ffpbyt(fptr, ntodo * twidth, buffer, status);
else
ffpbytoff(fptr, twidth, ntodo, incre - twidth, buffer,
status);
break;
}
/* can't write to string column, so fall thru to default: */
default: /* error trap */
sprintf(message,
"Cannot write numbers to column %d which has format %s",
colnum,tform);
ffpmsg(message);
if (hdutype == ASCII_TBL)
return(*status = BAD_ATABLE_FORMAT);
else
return(*status = BAD_BTABLE_FORMAT);
} /* End of switch block */
/*-------------------------*/
/* Check for fatal error */
/*-------------------------*/
if (*status > 0) /* test for error during previous write operation */
{
sprintf(message,
"Error writing elements %.0f thru %.0f of input data array (ffpcluk).",
(double) (next+1), (double) (next+ntodo));
ffpmsg(message);
return(*status);
}
/*--------------------------------------------*/
/* increment the counters for the next loop */
/*--------------------------------------------*/
remain -= ntodo;
if (remain)
{
next += ntodo;
elemnum += ntodo;
if (elemnum == repeat) /* completed a row; start on next row */
{
elemnum = 0;
rownum++;
}
}
} /* End of main while Loop */
/*--------------------------------*/
/* check for numerical overflow */
/*--------------------------------*/
if (*status == OVERFLOW_ERR)
{
ffpmsg(
"Numerical overflow during type conversion while writing FITS data.");
*status = NUM_OVERFLOW;
}
} /* end of Dec ALPHA special case */
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffpcnuk(fitsfile *fptr, /* I - FITS file pointer */
int colnum, /* I - number of column to write (1 = 1st col) */
LONGLONG firstrow, /* I - first row to write (1 = 1st row) */
LONGLONG firstelem, /* I - first vector element to write (1 = 1st) */
LONGLONG nelem, /* I - number of values to write */
unsigned int *array, /* I - array of values to write */
unsigned int nulvalue, /* I - value used to flag undefined pixels */
int *status) /* IO - error status */
/*
Write an array of elements to the specified column of a table. Any input
pixels equal to the value of nulvalue will be replaced by the appropriate
null value in the output FITS file.
The input array of values will be converted to the datatype of the column
and will be inverse-scaled by the FITS TSCALn and TZEROn values if necessary
*/
{
tcolumn *colptr;
long ngood = 0, nbad = 0, ii;
LONGLONG repeat, first, fstelm, fstrow;
int tcode, overflow = 0;
if (*status > 0)
return(*status);
/* reset position to the correct HDU if necessary */
if (fptr->HDUposition != (fptr->Fptr)->curhdu)
{
ffmahd(fptr, (fptr->HDUposition) + 1, NULL, status);
}
else if ((fptr->Fptr)->datastart == DATA_UNDEFINED)
{
if ( ffrdef(fptr, status) > 0) /* rescan header */
return(*status);
}
colptr = (fptr->Fptr)->tableptr; /* point to first column */
colptr += (colnum - 1); /* offset to correct column structure */
tcode = colptr->tdatatype;
if (tcode > 0)
repeat = colptr->trepeat; /* repeat count for this column */
else
repeat = firstelem -1 + nelem; /* variable length arrays */
/* if variable length array, first write the whole input vector,
then go back and fill in the nulls */
if (tcode < 0) {
if (ffpcluk(fptr, colnum, firstrow, firstelem, nelem, array, status) > 0) {
if (*status == NUM_OVERFLOW)
{
/* ignore overflows, which are possibly the null pixel values */
/* overflow = 1; */
*status = 0;
} else {
return(*status);
}
}
}
/* absolute element number in the column */
first = (firstrow - 1) * repeat + firstelem;
for (ii = 0; ii < nelem; ii++)
{
if (array[ii] != nulvalue) /* is this a good pixel? */
{
if (nbad) /* write previous string of bad pixels */
{
fstelm = ii - nbad + first; /* absolute element number */
fstrow = (fstelm - 1) / repeat + 1; /* starting row number */
fstelm = fstelm - (fstrow - 1) * repeat; /* relative number */
if (ffpclu(fptr, colnum, fstrow, fstelm, nbad, status) > 0)
return(*status);
nbad=0;
}
ngood = ngood +1; /* the consecutive number of good pixels */
}
else
{
if (ngood) /* write previous string of good pixels */
{
fstelm = ii - ngood + first; /* absolute element number */
fstrow = (fstelm - 1) / repeat + 1; /* starting row number */
fstelm = fstelm - (fstrow - 1) * repeat; /* relative number */
if (tcode > 0) { /* variable length arrays have already been written */
if (ffpcluk(fptr, colnum, fstrow, fstelm, ngood, &array[ii-ngood],
status) > 0) {
if (*status == NUM_OVERFLOW)
{
overflow = 1;
*status = 0;
} else {
return(*status);
}
}
}
ngood=0;
}
nbad = nbad +1; /* the consecutive number of bad pixels */
}
}
/* finished loop; now just write the last set of pixels */
if (ngood) /* write last string of good pixels */
{
fstelm = ii - ngood + first; /* absolute element number */
fstrow = (fstelm - 1) / repeat + 1; /* starting row number */
fstelm = fstelm - (fstrow - 1) * repeat; /* relative number */
if (tcode > 0) { /* variable length arrays have already been written */
ffpcluk(fptr, colnum, fstrow, fstelm, ngood, &array[ii-ngood], status);
}
}
else if (nbad) /* write last string of bad pixels */
{
fstelm = ii - nbad + first; /* absolute element number */
fstrow = (fstelm - 1) / repeat + 1; /* starting row number */
fstelm = fstelm - (fstrow - 1) * repeat; /* relative number */
ffpclu(fptr, colnum, fstrow, fstelm, nbad, status);
}
if (*status <= 0) {
if (overflow) {
*status = NUM_OVERFLOW;
}
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffuintfi1(unsigned int *input, /* I - array of values to be converted */
long ntodo, /* I - number of elements in the array */
double scale, /* I - FITS TSCALn or BSCALE value */
double zero, /* I - FITS TZEROn or BZERO value */
unsigned char *output, /* O - output array of converted values */
int *status) /* IO - error status */
/*
Copy input to output prior to writing output to a FITS file.
Do datatype conversion and scaling if required.
*/
{
long ii;
double dvalue;
if (scale == 1. && zero == 0.)
{
for (ii = 0; ii < ntodo; ii++)
{
if (input[ii] > UCHAR_MAX)
{
*status = OVERFLOW_ERR;
output[ii] = UCHAR_MAX;
}
else
output[ii] = input[ii];
}
}
else
{
for (ii = 0; ii < ntodo; ii++)
{
dvalue = (input[ii] - zero) / scale;
if (dvalue < DUCHAR_MIN)
{
*status = OVERFLOW_ERR;
output[ii] = 0;
}
else if (dvalue > DUCHAR_MAX)
{
*status = OVERFLOW_ERR;
output[ii] = UCHAR_MAX;
}
else
output[ii] = (unsigned char) (dvalue + .5);
}
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffuintfi2(unsigned int *input, /* I - array of values to be converted */
long ntodo, /* I - number of elements in the array */
double scale, /* I - FITS TSCALn or BSCALE value */
double zero, /* I - FITS TZEROn or BZERO value */
short *output, /* O - output array of converted values */
int *status) /* IO - error status */
/*
Copy input to output prior to writing output to a FITS file.
Do datatype conversion and scaling if required.
*/
{
long ii;
double dvalue;
if (scale == 1. && zero == 0.)
{
for (ii = 0; ii < ntodo; ii++)
{
if (input[ii] > SHRT_MAX)
{
*status = OVERFLOW_ERR;
output[ii] = SHRT_MAX;
}
else
output[ii] = input[ii];
}
}
else
{
for (ii = 0; ii < ntodo; ii++)
{
dvalue = (input[ii] - zero) / scale;
if (dvalue < DSHRT_MIN)
{
*status = OVERFLOW_ERR;
output[ii] = SHRT_MIN;
}
else if (dvalue > DSHRT_MAX)
{
*status = OVERFLOW_ERR;
output[ii] = SHRT_MAX;
}
else
{
if (dvalue >= 0)
output[ii] = (short) (dvalue + .5);
else
output[ii] = (short) (dvalue - .5);
}
}
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffuintfi4(unsigned int *input, /* I - array of values to be converted */
long ntodo, /* I - number of elements in the array */
double scale, /* I - FITS TSCALn or BSCALE value */
double zero, /* I - FITS TZEROn or BZERO value */
INT32BIT *output, /* O - output array of converted values */
int *status) /* IO - error status */
/*
Copy input to output prior to writing output to a FITS file.
Do datatype conversion and scaling if required
*/
{
long ii;
double dvalue;
if (scale == 1. && zero == 2147483648.)
{
/* Instead of subtracting 2147483648, it is more efficient */
/* to just flip the sign bit with the XOR operator */
for (ii = 0; ii < ntodo; ii++)
output[ii] = ( *(int *) &input[ii] ) ^ 0x80000000;
}
else if (scale == 1. && zero == 0.)
{
for (ii = 0; ii < ntodo; ii++)
{
if (input[ii] > INT32_MAX)
{
*status = OVERFLOW_ERR;
output[ii] = INT32_MAX;
}
else
output[ii] = input[ii];
}
}
else
{
for (ii = 0; ii < ntodo; ii++)
{
dvalue = (input[ii] - zero) / scale;
if (dvalue < DINT_MIN)
{
*status = OVERFLOW_ERR;
output[ii] = INT32_MIN;
}
else if (dvalue > DINT_MAX)
{
*status = OVERFLOW_ERR;
output[ii] = INT32_MAX;
}
else
{
if (dvalue >= 0)
output[ii] = (INT32BIT) (dvalue + .5);
else
output[ii] = (INT32BIT) (dvalue - .5);
}
}
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffuintfi8(unsigned int *input, /* I - array of values to be converted */
long ntodo, /* I - number of elements in the array */
double scale, /* I - FITS TSCALn or BSCALE value */
double zero, /* I - FITS TZEROn or BZERO value */
LONGLONG *output, /* O - output array of converted values */
int *status) /* IO - error status */
/*
Copy input to output prior to writing output to a FITS file.
Do datatype conversion and scaling if required
*/
{
long ii;
double dvalue;
if (scale == 1. && zero == 0.)
{
for (ii = 0; ii < ntodo; ii++)
output[ii] = input[ii];
}
else
{
for (ii = 0; ii < ntodo; ii++)
{
dvalue = (input[ii] - zero) / scale;
if (dvalue < DLONGLONG_MIN)
{
*status = OVERFLOW_ERR;
output[ii] = LONGLONG_MIN;
}
else if (dvalue > DLONGLONG_MAX)
{
*status = OVERFLOW_ERR;
output[ii] = LONGLONG_MAX;
}
else
{
if (dvalue >= 0)
output[ii] = (LONGLONG) (dvalue + .5);
else
output[ii] = (LONGLONG) (dvalue - .5);
}
}
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffuintfr4(unsigned int *input, /* I - array of values to be converted */
long ntodo, /* I - number of elements in the array */
double scale, /* I - FITS TSCALn or BSCALE value */
double zero, /* I - FITS TZEROn or BZERO value */
float *output, /* O - output array of converted values */
int *status) /* IO - error status */
/*
Copy input to output prior to writing output to a FITS file.
Do datatype conversion and scaling if required.
*/
{
long ii;
if (scale == 1. && zero == 0.)
{
for (ii = 0; ii < ntodo; ii++)
output[ii] = (float) input[ii];
}
else
{
for (ii = 0; ii < ntodo; ii++)
output[ii] = (float) ((input[ii] - zero) / scale);
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffuintfr8(unsigned int *input, /* I - array of values to be converted */
long ntodo, /* I - number of elements in the array */
double scale, /* I - FITS TSCALn or BSCALE value */
double zero, /* I - FITS TZEROn or BZERO value */
double *output, /* O - output array of converted values */
int *status) /* IO - error status */
/*
Copy input to output prior to writing output to a FITS file.
Do datatype conversion and scaling if required.
*/
{
long ii;
if (scale == 1. && zero == 0.)
{
for (ii = 0; ii < ntodo; ii++)
output[ii] = (double) input[ii];
}
else
{
for (ii = 0; ii < ntodo; ii++)
output[ii] = (input[ii] - zero) / scale;
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffuintfstr(unsigned int *input, /* I - array of values to be converted */
long ntodo, /* I - number of elements in the array */
double scale, /* I - FITS TSCALn or BSCALE value */
double zero, /* I - FITS TZEROn or BZERO value */
char *cform, /* I - format for output string values */
long twidth, /* I - width of each field, in chars */
char *output, /* O - output array of converted values */
int *status) /* IO - error status */
/*
Copy input to output prior to writing output to a FITS file.
Do scaling if required.
*/
{
long ii;
double dvalue;
if (scale == 1. && zero == 0.)
{
for (ii = 0; ii < ntodo; ii++)
{
sprintf(output, cform, (double) input[ii]);
output += twidth;
if (*output) /* if this char != \0, then overflow occurred */
*status = OVERFLOW_ERR;
}
}
else
{
for (ii = 0; ii < ntodo; ii++)
{
dvalue = (input[ii] - zero) / scale;
sprintf(output, cform, dvalue);
output += twidth;
if (*output) /* if this char != \0, then overflow occurred */
*status = OVERFLOW_ERR;
}
}
return(*status);
}
|