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Version 3.8.1 (December 14, 2009)
scat,imcat: Fix magnitude memory allocation for UCAC2 and UCAC3 catalogs imsetwcs.c: Fix magnitude memory allocation for UCAC2 and UCAC3 catalogs Version 3.8.0 (November 13, 2009) getcol: Drop parentheses around single column imcat: Move array allocation to subroutine as suggested by Douglas Burke imextract: Fix bug which caused command line extension lists to be ignored scat, imcat, imwcs, immatch: Add UCAC3 astrometric catalog scat: Print errors in UCAC2 and UCAC3 positions and proper motions in -t mode scat,imcat,immatch,imwcs: Fix bug so the HST Guide Star Catalog works again scat: Fix output of GSC2 without tabs binread.c, catutil.c: Change moveb() to movebuff() fitsfile.c: Fix binary table reading; add local moveb() gscread.c: Fix bug reading region limit table; initialize lengths of FITS table columns tabread.c: Fix memory leaks found by Douglas Burke ucac3read.c: Add UCAC3 catalog and add errors to UCAC2 catalog webread.c: Free allocated pointers before returning webread.c: Use movebuff() in catutil.c; reverse source/destination pointers and offsets imsetwcs.c: Print catalog magnitude name in residual header Version 3.7.9 (September 18, 2009) sethead, keyhead, cphead, delhead: Fix bug so more images can be processed from the command line sethead: Allow writing to files extracted from multi-extension files if XTENSION keyword is still present xy2sky: Add line of documentation for -h catutil.c: In RefLim(), set RA range to 360 degrees if a pole is included Version 3.7.8 (August 17, 2009) imwcs: Fix bugs when matched stars wrap around RA=0:00 or have the same image position nedpos: Do not print name unless asked to scat: Print four magnitudes for GSC2 catalog; they have dropped Tycho B skycoor: Fix sign error in RA difference in -a position angle computation skybotread.c: Add flag to skip comets and save time getpix: Assume floating point coordinates to be x,y instead of RA,Dec Version 3.7.7 (April 9, 2009) simpos: Put back -i option which seemed to have disappeared simpos: Use webbuff() modification below to get to temporary URL imsize: Set dimensions from IMAGEW and IMAGEH if NAXIS=0 and WCSAXIS>0 imextract: Fix but so it doesn't crash if no line/image specified imrot: Add -n option to force extension number in output file name scat,imcat,imwcs,immatch: Upgrade web access to SDSS catalog from DR6 to DR7 scat: Add degrees=[yes|no] to CGI interface gethead: Increase default multi-line IRAF keyword value buffer to 20000 webread.c: Add handling of 30* URL forwarding to webbuff() wcsinit.c: Fix bug setting dimensions of image if NAXISi not present imgetwcs.c: Set dimensions from IMAGEW and IMAGEH if NAXIS=0 and WCSAXIS>0 sdssread.c: Upgrade web access to SDSS catalog to DR7 from DR6 Version 3.7.6 (December 1, 2008) skycoor: Add -t command to subtract times getdate: fix local sidereal time (*2lst, *2mst) imhead: Do not output extra block if length is exact number of 2880-byte blocks (2008-12-01) dateutil.c: Use IAU 2006 nutation for sidereal time computations dateutil.c: Add ang2hr(), ang2deg(), deg2ang(), and ang2hr() to convert betweem decimal floating point degrees and vigesimal hours or degrees dateutil.c: Fix local sidereal time computation (2008-10-08) tnxpos.c: Fix image to world coordinate system transformation and WCS to image transformation tnxpos.c: Fix tnxpos() for null correction case (2008-09-17) gsc2read.c: Read GSC2 catalog from STScI CASB instead of GALEX fitsfile.c: In fitswhead(), do not write error if correct number of bytes written Version 3.7.5 (July 1, 2008) getcol: Fix bug so columns are compared if both conditions are integer imrot: Fix bug so x and y shifts occur even if one is zero; fix WCS modification fitsfile.c: Do not append primary header if it is the only one Version 3.7.4 (May 28, 2008) cphead: Clean up code to make sure numeric variables for formatted correctly getfits: Make TNX WCS of extracted file dependent on PLATE WCS imsize: Add option to print the FITS format date of the image; drop quotes isfits: New program to detect whehter or not a string is the name of a FITS file fitsfile.c: Allow FITS files without FITS or FTS in name to have extensions wcsinit.c: Call tnxinit() before any projection calls are made Version 3.7.3 (March 20, 2008) sethead: Return error code =0 normally, 1 and printed message if problem filename: Add -n option to keep directory with "." and allow more than one -r command sethead: Add -x and -d options to specify extensions and root directory gethead: Fix handling of filenames in list with -x extensions Version 3.7.2 (December 31, 2007) getdate: Fix bug so the -t time-only flag works with all 2fd options gethead,imsize,wcshead: Allow range of extensions or "all" after comma in filename getpix: Read list of pixel coordinates using @filename scat: Fix bug so limit flag(s) match appropriate magnitude(s) fitsfile.c: Skip over binary tables in multiextension FITS files tmcread.c: Shift position of magnitude flags in 2MASS catalog with errors by one ubcread.c: Expand zone searches by one star at each end webread.c: Fix chunk reading code which worked in Solaris but failed in Linux Version 3.7.1 (November 9, 2007) fixpix: Fix bug reading coordinates from file found by Saurabh Jha keyhead: Rewrite code implementing -r value assignment so it always works nedpos,nedname: Programs from NED for retrieving positions for objects and names for positions which were modified to work with WCSTools several years ago have now been rewritten for portability and added to the WCSTools release. nedpos works like simpos, but has more options. simpos,nedpos: Options for input file of object names and output tab-separated tables have been added. findstar.c: Trim section parsing fixed imgetwcs.c: Return NULL wcs pointer if no wcs in header Version 3.7.0 (August 30, 2007) imcat,scat: Add option to list minor planets in field using SkyBot service scat: Add mrad=search radius in arcminutes to cgi-bin parameters scat: Add number checking to cgi-bin parameter parsing skycoor: Fix bugs computing position angles with -a gethead: Fix bug which screwed up sexigesimal data when -ndec was used imstack: Add -m option to make IRAf multispec file headers imstack: Fix bug so output on PCs is in correct byte order skybotread.c: New subroutines to access SkyBot over the web ucacread.c: Improve byte-swap check so it works in all cases, not all but one hput.c: Fix bug which could drop quote when adding comment to string value hput.c, hget.c: Deal with missing quotes in header without crashing webread.c: Add space2tab() to use scat-based catalog server at NOAO Set TMC_PATH or UB1_PATH to http://archive.tuc.noao.edu/cgi-bin/scat to use it. Version 3.6.9 (July 9, 2007) cphead: Add -a option to copy entire header from first file to second and others imstar: Fix magnitude offset so it works if 20 < offset < 90 scat: Fix GSC2 and other formats xy2sky: Fix headings for radecsys and epoch columns in tab table output delhead: Add -c option to delete blank COMMENTs and -o to overwrite files Delete IRAF-style multi-line keywords wcsinit.c: Ignore axes with TAB WCS for rotation matrix ty2read.c: Skip stars with no positions, only magnitudes; print error message Version 3.6.8 (April 11, 2007) getcol: Fix arithmetic combination of columns imrotate, immatch: Add -w to not rotate WCS keywords with image imrotate: Add -e to delete WCS keywords in output imstar: Add -g to not rotate WCS keywords if image is rotated imwcs: Add -q w to not rotate initial WCS keywords if image is rotated using -r wcshead: Add -d argument to use a single root directory and deal with incomplete WCS, especially for spectra gsc2read.c: Read catalog from STScI MAST GALEX archive if gsc2, CASB if gsc22,23 hget.c: Initial header length to zero in hlength() if lhead argument <= 0 tnxpos.c: Fix bug so it doesn't crash wcs.c: In wcstype(), set to WCS_PIX if CTYPEi starts with "DET" wcs.c: In wcspset(), use correct cdelts when converting PC matrix to CD matrix wcsinit.c: Fix bug so RA, DEC, SECPIX can be used to set a WCS Version 3.6.7 (January 18, 2007) bincat: Make catalog binning finally work right sethead: Allow multiple keywords to be set from single line input file wcshead: Add -n argument to set number of decimal points in CRVALi simpos: Fix parsing problem which returned erroneous results for low-RA objects wcs.h: Fix and add ANSI C prototypes fitsfile.h, fitshead.h, wcscat.h: Add ANSI C prototypes wcsinit.c: Change WCS letter argument from char to char* in wcsinitc(),wcsninitc() findstar.c, imrotate.c: Include fitsfile.h instead of fitshead.h and imio.h hget.c: Change WCS letter argument from char to char* in hget*c() hget.c: Declare header and keyword const char in most subroutines hput.c: Declare keyword and value const in most subroutines hput.c: Fix to return integer seconds from ra2str() and dec2str() when requested imio.c: Include fitsfile.h instead of imio.h catutil.c,fileutil.c: Move token parsing subroutines from catutil.c to fileutil.c imio.h: Drop because all declarations are in fitsfile.h wcslib.h: Drop semicolon at end of c++ ifdef wcslib.h: Drop second declaration of SZP subroutines polfit.c: Move into catutil.c Many smaller fixes were made so that standard C profiles work Version 3.6.6 (November 6, 2006) getdate: Add sidereal time conversions imcat,scat: Fix SDSS returned data and ID number output imwcs: Add -q b option to speed up star matching remap: Check for output image off-scale as well as input image remap: Fix bug setting scale sethead: Do not read image unless header size in 2880-byte blocks is increased sethead: Increase header buffer size when next keyword exceeds current length skycoor: No longer print " degrees" if output in degrees Allow right ascension and declination strings up to 31 characters everywhere In wcsinit.c and wcscon.c, set projection to XY if units are pixels ubcread.c: Fix header for nstarmax<1 output from ubcread() Version 3.6.5 (July 5, 2006) conpix: Add option to take base 10 log of entire image edhead: Use mkstemp() instead of compiler-maligned tempnam() scat: Print catalog object name if no number in single line search responses imcat,immatch,imwcs,scat: Add support for SKYMAP 2000 catalog for wide fields imcat,immatch,imwcs: Print catalog object name if no number imsmooth,imresize: Write summary of operation to header gethead: Fix bug which dropped trailing zeroes from strings imrot,imsmooth: Deal with .ms.fits as a single extension remap: Fix bug when adding to existing images wcsinit: initialize 9x9 PC matrices; handle up to 9 axes for PC matrix delwcs,delhead: Add -b option to leave blank lines in place of deleted keywords hput.c: Fix alignment of comments in hputc() and hputcom(); add strfix() ctgread.c,tabread.c: Add match argument to tabrnum() for sequential reads Initialize uninitialized variables throughout package Version 3.6.4 (May 8, 2006) cphead: Fix bug so WCS headers copy correctly gethead: Always underscore-pad not-tab null returns; make -a work correctly gethead: Keep quoted strings as single value when reading free-format files getcol: Count tokens on first line with -k even if no columns are specified imcat: Add second argument to -r to vary radii of PROS regions with magnitude imcat,imwcs,immatch: Set image epoch from DATE-OBS or MJD-OBS, not EPOCH scat,imcat,imwcs,immatch: Update SDSS access to DR4 scat,imcat: Add option to sort by ID number scat: Fix bug so Hipparcos Catalog search returns magnitudes and parallax scat: Clean up VOTable reporting sethead: Fix _ substitution in COMMENT and HISTORY setting imfill: New program to fill in bad pixels in an image; add IMFILL keyword imsmooth: New program to smooth an image imhead,imrot: Add +i to force appending of primary header keywords to FITS extension headers. imwcs,immatch: Set output image coordinate decimal places using nxydec=n imhead, imsize, xy2sky, sky2xy, gethead: Read from fITS headers appended to GIF, JPEG, or TIFF image files sky2xy: Use -n number of decimal places when reading from file, too binread.c: Fix bug so magnitudes are read when J2000 is set by negating the number of magnitudes catutil.c: Clean up VOTable code catutil.c: Return number of fields from vothead() dateutil.c: Drop declarations of unused variables fileutil.c: Add istiff(), isjpeg(), isgif() to check TIFF, JPEG, GIF files filter.c: Add subroutines to shrink an image filter.c: Add subroutines for Gaussian smoothing/filling findstar.c: Add nxydec=num. decimal places in image coordinates to setparm() minpeak=num now sets minimum star counts above background fitsfile.c: Add fitsrtail() to read FITS headers from end of non-FITS image files. In fitsrhead(), add file name to all error messages Drop declarations of unused variables imio.c: Fix bug of occasional double application of bscale in getvec() Clean up arithmetic and increment in addpix() and multpix() imsetwcs.c: Allow number of decimal places in image coordinates to be set imutil.c: Add subroutines to filter, fill, or resize an image and reset its header lwcs.h: Add NXYDEC to set default number of decimal places in image coordinates sdssread.c: Change default URL's to search to SDSS DR4 site sortstar.c: Add subroutines to sort by ID number wcs.c Drop declarations of unused variables wcsinit.c: Get Epoch of observation from MJD-OBS or DATE-OBS/UT unless DSS Set wcs->naxes to actual number of image WCS axes, usually 2 webread.c: Make changes so SDSS DR4 is processed correctly Multiply max stars for ESO search by fudge factor to get all; stars outside of box are returned (but not by scat in the end) Version 3.6.3 (January 6, 2006) scat: Fix bug reading sequence from catalog. Clean up alignment of epoch and velocity columns. Search correctly with precessed center scat, imcat: add 2MASS and Tycho-2 with magnitude errors. imrot: Add option to flip image around horizontal axis imrot: Add -p option to turn a negative image into a positive one imstack: Fix bug which caused extra linefeeds delhead: Fix bug which incorrectly padded with spaces when head is shrunk getcol: Put line count on same line as mean or median values; add range of lines wcscon.c: Fix bugs in rotation matrix computation for precession Version 3.6.2 (July 29, 2005) gethead, delhead: Deal correctly with large numbers of keywords gethead: format one-per-line output to be read as input by sethead getcol: Fix calls to gettoken() so they work in Linux imextract: Fix bug to extract 1 dimension from 2D files imsize: Fix recent bug which reversed size in height and width imsize: Make -d option give center and size in degrees getpix: Add -d for range and -m for mean value of pixels scat: Add dateform command line parameter to set output epoch format imgetwcs.c: Set limits correctly around RA=0 wcs.c: In wcsrange(), compute limits correctly around RA=0 Clean up unused variables everywhere using lint Version 3.6.1 (May 31, 2005) imwcs, imcat, immatch: Exit with error message if no catalog is specified isrange, isnum: Improve self-documentation of these existing programs and add them to the official "wcstools" command list of programs skycoor: Fix bug which infinitely looped on header in verbose mode and fix bug found by Daniela Doneve which failed to convert correctly from non-1950 B and non 200 J coordinates in files. Also add -f argument to avoid @ in windows command lines. imextract: Fix bug which prevented 2D extraction from data cubes. All programs: Add "WCSTools" to version/help heading wcscon.c: Replace all sla_lib subroutines with local ones Version 3.6.0 (March 17, 2005) sethead: Fix bug when number of keywords set from file exceeded 50 sethead: Add -m num command to reset max number of keywords changed imhead: Don't do anything if not FITS or IRAF file wcs.c: Fix bug in wcsrotset() so angles > 360 are set to angle - 360, not 360 fitsfile.c: Make isfits() more robust by using unbuffered I/O Version 3.5.9 (January 20, 2005) delhead: Fix bug which occurred when large number of keywords deleted imsize: Fix bug which crashed program if filename extension was uppercase ucacread.c: Fix bug in ucacrnum() imgetwcs.c: Fix bug in GetFITSWCS() which gave bad answers for reversed axes Version 3.5.8 (December 3, 2004) scat.c: Fix main loop so it works correctly for one-line output scat.c: Fix main loop so it works correctly for multiple-line output wcs.c: Keep wcs->rot between 0 and 360 degrees tmcread.c: Fix 2MASS problem when searching across north pole tabread.c: Accept SpT and spt as spectral types before *type* Version 3.5.7 (October 20, 2004) imwcs, immatch, imcat: Fix catalog search problems when working around RA=0:00 imwcs, immatch, imstar: Add 0 shift arguments to RotFITS call newfits: Add -w option to transfer WCS from one FITS file to a new one remap: Fix (now) verbose mode message if writing, not overwriting, to named file scat: do not print anything if no stars are found unless in verbose mode or providing VOTable output. webread.c: Do not print server messages unless in verbose mode imrotate.c: Fix bug when reading CRPIX from header to reset WCS hput.c: Avoid writing negative zero values into image headers wcs.c: Keep RA/Long between 0 and 360 in pix2wcs() and fix bug in wcsfull() fitsutil.c: Drop next_token() to avoid name conflict gsc2read.c: Fix bug converting search box to search radius for web query Version 3.5.6 (September 3, 2004) remap: Add -t num option to split each output pixel in num in each dimension, taking mean of num x num samples from input image scat: Print error message and exit if no catalog found (instead of hanging). sethead: Add option to add, subtract, multiply, or divide a constant to or from a keyword value. Clean up code in libwcs subroutines (mostly declaring undeclared subroutines) fitsfile.c: If SIMPLE=F, read "image" data based on file size - header, and write data based on the NBDATA keyword. catutil.c: Parse up to 1000 columns instead of 100 in setoken() hput.c: Fix bug so comments are not pushed onto next line if value lengthens Version 3.5.5 (July 19, 2004) delhead, delwcs, imwcs: keep blank lines when deleting keywords from multi-extension FITS headers sethead,delhead,keyhead,edhead: Change first image extension if multiple extensions and no extension is specified. wcshead: Print header when first line printed, not only if first file, and print ___ for missing WCS information hget.c: Read D, d, E, and e as exponent delimiters in floating point values hput.c: Add setheadshrink() and change hdel() to optionally keep a blank line at the end of a FITS header when a keyword is deleted. Version 3.5.4 (May 19, 2004) delhead, keyhead, sethead: Add ability to overwrite multi-extension headers. scat: Exit with error message and menu if no catalog is given Version 3.5.3 (April 30, 2004) getcol: Add % option to format output a column at a time. getcol, gettab, cphead: Fix bug which removed trailing zeroes from exponents of values returned getdate: Fix sky position entry for heliocentric times getfits: Delete NAXISn for n > 2 in output image gethead: Deal with lower case e and d in exponents of values returned. imextract: Add -s option to ease setting of character string keyword values. scat: Add option to search catalogs by date alone. getpix: Fix handling of 0 0 for entire image. remap: Return error on failure of any memory allocation ctgread.c: Add ctgrdate() to allow searches of catalogs by date hget.c: Use strncsrch() in hget.c to get differently-cased keywords. ty2read.c: Read either CDROM with CRLF lines or CDS with LF lines Version 3.5.2 (March 17, 2004) Fix catalog subroutine argument problems found by Richard Mathar of Max Planck Add support for 2MASS extended source catalog and access to Sloan Survey catalog Add -u option to remap to delete distortion keywords from output file header Fix scat catalog merging using -s e flag Fix 2MASS Catalog search algorithm Fix blank pixel implementation in remap; add -s to BSCALE input and output Fix remap to write multiple input files to a single output file In remap do not rescale pixels if unnecessary Add pixel shifts to imrot In worldpix() in worldpos.c, allow ra/long to exceed 180 if reference pixel is more than 180 degrees from image (1,1). Version 3.5.1 (December 5, 2003) scat: Fix bugs in tabbed single-line search output cphead: Initialize previously uninitialized variable (infile) Change p[0,1,2] initializations to p[1,2,3] in wcsinit.c to match proj.c This affects constants for AZP,SIN,COP,COE,COD,COO,SZP,CEA,CYP,AIR,BON in all programs which convert between WCS and image coordinates. *read.c: Add tab after declination dashline (-----) for -n -1 output. Add wcs->naxes to wcs structure for backward compatibility Fix bug in DelWCSFITS() which caused problems when imwcs -e used. Fix bug in numdec() to return 0 if no digits after decimal point Version 3.5.0 (November 22, 2003) bincat: New program to create an image out of a catalog or a portion thereof cphead: Add -w option to copy all WCS keywords; Rcopy same number of decimal places as are in input header scat: add option to search an annular region by specifying a range in -r scat: Add option to merge catalog objects within specified separation set by -r scat,imcat: Add object class to GSC2 output sub1: Fix bug which failed to find any stars in regions with certain centers gethead: Fix bug which dropped last zero of exponent in values getpix: Fix bug so 0 works as substitute for 1-NAXISn on command line imextract: Fix bugs to deal with 3D images skycoor: add -a option to compute the position angle between two coordinates Subroutines: wcs.h: Change wcs->naxes to wcs->naxis to prepare for WCSLIB 3.* iget.c, wcsinit.c and fitshead.h: Rename mgets() to mgetstr() in hget.c: Add numdec() to return number of decimal places in numeric string imhread.c: In iraf2fits() and irafrimage(), use image, not physical, dimensions. In iraf2fits(), set NAXISi to image dimensions, NPAXISi to physical dimensions. wcs.c: Fix bugs in wcsfull(). distort.c, wcsinit.c, wcs.c: Move all distortion-related code to distort.c and include unistd.h. lin.c: Include stdlib.h instead of malloc.h matchstar.c: Drop malloc.h from matchstar.c *read.c: Add radi argument for inner radius of annulus if rad is set and radi is greater than zero. Add *bin() subroutines for image filling. Move proper motion margin and wrap computation to RefLim() catutil.c: Add arguments for catalog epoch, proper motion margin, and wrap flag to RefLim(). Deal with search around pole in RefLim(), too. imh.c: Read images to image dimension (IM_LEN), not physical dimension (IM_PHYSLEN) ubcread.c: Fix bug in ubcsra(), which failed to iterate enough to find closest stars distort.c: Moved all distortion-related code to this file, added 3 subroutines ucacread.c: Fix byte swap test in ucacopen() so it works on Linux matchstar.c, lin.c: Do not include malloc.h; it is part of stdlib.h webread.c: Rewrite buffer reallocation code to require fewer and avoid hanging Version 3.4.2 (August 21, 2003) sethead, edhead, keyhead: Deal correctly with images with more than 2 dimensions imstack: Add -x name option to create multi-extension FITS file scat: Allow sorting of sources found by range of ID numbers remap: Add -f name to use WCS from existing FITS file and -n num to set the value of output pixels with no value from the input image. fitsfile.c: Clean up use of primary header; add ROOTEND to secondary headers ty2read.c: Increase maximum number of regions to search from 100 to 1000 fitsrfull(): new subroutine in fitsfile.c to read n-dimensional FITS file. Version 3.4.1 (July 28, 2003) gethead: Allow root directory for text as well as image files in list file getdate: Fix bugs so FITS date conversions read both date and time imextract: Fix extraction of 2-D images from 3-D images sky2xy: Initialize both sysout and eqout to 0 so defaults work (Takehiko Wada) skycoor: Fix bug in verbose mode of -r and give RA diff in sky arcsec tmcread.c: Fix limiting magnitude flag; it wasn't working dateutil.c: Add code to convert FITS dates as yyyy/mm/dd as well as yyyy-mm-dd imgetwcs.c: Fix bug setting secpix if not on command line (Takehiko Wada) Version 3.4.0 (June 9, 2003) scat, imcat: Print both RA and Dec proper motion as mas/year scat, imcat: Add support for 2MASS All-Sky release as well as IDR2 scat, imcat: Add support for UCAC2 beta all-sky proper motion catalog scat: Fix -rr command so it works tmcread.c, catutil.c: Add support for 2MASS All-Sky release as well as IDR2 wcsinit.c: Add partial support for IRAF ZPX projection (if converted from ZPN) wcsinit.c: Fix bug which reinitialized coefficients set by PROJP ucacread: Add support for UCAC2 format Version 3.3.4 (May 8, 2003) scat, imcat: Add output formatting for UCAC1 sky2xy: Add command line specification of FITS WCS parameters for imageless use getfits: Fix bug which did not pass arguments to main subroutine ucacread.c: New subroutines to read the USNO UCAC 1.0 astrometric catalog catutil.c: Modify subroutines for UCAC1 wcsinit.c: Read PROJP0 (for ZPN projections) wcs.h: Add two missing semicolons in C++ declarations Version 3.3.3 (April 15, 2003) scat, imcat, immatch, imwcs: Set library revision message using setrevmsg() catutil.c: Add new subroutines setrevmsg() and getrevmsg() to use constant revmessage *read.c: Get version/date string from getrevmsg() instead of main constant RevMsg ubcread.c: Fix proper motion bug; RA pm is now multiplied by cos(dec) Version 3.3.2 (April 7, 2003) xy2sky,sky2xy: Add -o option to print only RA or Dec or x or y wcsinit: Add distortion initialization to wcsinit() wcs.c: Add distortion initialization to wcstype() and calls to pix2wcs() and wcs2pix() distort.c: New subroutines pix2foc() and foc2pix() to correct spatial distortion between the image and the focal plane Version 3.3.1 (March 27, 2003) getdate: Add Heliocentric Julian Date and Modified Heliocentric Julian Date, RA,Dec args scat: Fix bug which failed to read PPM catalog proper motions scat: Debug separate search, catalog, and output coordinate system implementation imcat: Deal correctly with rotated images gethead: If null keyword value and padding on, print ___ newfits: Fix bug which wrote CTYPEn without quotes. Set default reference pixel to correct center of image (was off one-half pixel) Catalog subroutines: Check regions exactly in search, not catalog, coordinates getdate and dateutil.c: Add conversions to and from heliocentric Julian date Version 3.3.0 (February 6, 2003) scat,imcat,imwcs,immatch: Add support for USNO-B1.0 Catalog including minid and minpmq scat: add argument ndec=n to set number of decimal places in output sethead: fix bug parsing files of settings with quotes gethead: initialize some uninitialized variables ubcread.c: Add new subroutines to deal with USNO-B1.0 Catalog tabread.c: Deal with proper motion in catalogs by enlarging search boxes ty2read.c: include math.h because of use of fabs() gsc2read.c: Fix bug so imwcs works with GSC II search results proj.c: Use local copysgn() and copysgni() instead of (sometimes) system copysign Change fopen option from "r" to "rb" in all binary-reading subroutines so WCSTools will work under Windows Version 3.2.1 (January 7, 2003) delhead: Fix bug so arbitrary number of keywords can be deleted xy2sky: Fix fatal bug in tab output from file, and ignore commented out input file lines wcsinit.c: Read PVi_0 for ZPN projection; initialize PVi_j only once Version 3.2.0 (December 6, 2002) getfits: New program to extract part of a FITS image preserving WCS getdate: Add sidereal time conversion; fix bug in -now option imsize: Fix bug which caused segv crash on Linux and OS/X scat: Add VOTable output option (sr=degrees over web or -tt) scat: Fix several minor bugs dealing with returned star counts and formats scat: Add -n -1 option to ACT and Tycho-2 catalogs scat: Add filtering by epoch of entry using -y y1,y2 option sethead: Never overwrite a multiextension FITS file setpix: Rewrite code so arbitrary number of ranges of pixels can be set sumpix: Add -l option to print range and allow summing over entire image catutil.c: Add VOTable header and trailer subroutines vothead() and vottail() dateutil.c: Add sidereal time conversion wcsinit.c: Fix subroutine calls for radial velocity and pole latitude wcsinit.c: Fix computation of center pixel in image for default ref. pixel ctgread.c: Change UZC format from /f to /u; add /f for fractional hrs and deg Version 3.1.3 (August 30, 2002) scat: Fix bug which broke USNO-A catalog reading by number; fix UJC mag. bug. scat and imcat: Print all available magnitudes in BINARY, ASCII and TABTABLE catalogs and search catalogs to improve mergeability. imwcs: Add -q n to increase number of parameters to be fit. getcol: Read multiple files; add option to print pathname; add option to ignore comments gethead: Ignore / if reading to end of line with -l in free-form files getdate: Add option to convert files of date/time strings and ET conversion imwcs: Set center and scale from prematched stars if not set on command line. skycoor: If no coordinate system given, assume input and output both J2000 imio.c: Fix bug in getvec() which crashed when using scaled pixels fileutil.c: Return 1 if file is stdin from isfile() dateutil.c: Add conversion to and from ET/TDT/TT ephemeris time Version 3.1.2 (July 8, 2002) getdate: Fix command line parsing to handle negative (BCE) dates correctly dateutil: Fix handling of negative years dateutil: Fix fixdate() to leave in fractional seconds correctly Version 3.1.1 (June 26, 2002) gethead,imsize: Add -x option to specify FITS extensions for file list gethead: Add -s option to drop space padding in tab-separated tables getpix: Add -s option to print x y value lines without punctuation imcat: Add back -a option to set a WCS rotation angle wcshead: Add option to print rest wavelength limits using VELOCITY hget.c: Fix bugs in hgetsc(), hgeti4c(), and hgetr8c() wcsinit.c: If no WCS is present for a specified letter, return error. wcsinit.c: Save name and letter of WCS in WCS data structure tnxpos.c, iget.c, hget.c: Fix bugs dealing with multiple line keywords so IRAF TNX projection works again. Version 3.1.0 (April 12, 2002) Implement WCSLIB 2.9 scat: Add web query sr= option for search radius in degrees scat: Fix implementation of velocities in TDC binary catalogs imcat,scat,imwcs,immatch: select any magnitude for sorting and limits (number or letter) imcat: Fix bug so characters other than circles can be plotted binread.c: Fix object name and velocity code ty2read.c: Fix bug so magnitudes limits are used correctly wcslib.c: Fix bug in WCSLIB 2.8.2 wcs.c code wcsinit.c: Support PV entry of constants and PCi_j rotation matrices wcs.c and wcsinit.c: Support inversion of multiple WCSs hget.c: Add hgetri4c(), hgetr8c(), and hgetsc() for multiple WCS handling edhead.c, fixpix.c, addpix.c, setpix.c, subpix.c, conpix.c, gettab.c, newfits.c, imstack.c, imextract.c, remap.c, getcol.c, and getdate.c: getcol: Add -g for medians of absolute values of selected columns, -j for means of absolute values of selected columns, -q for mean of selected columns added in quadrature, and -x for ignorable value. tnxpos.c: Fix bug parsing parameter strings with ddd. in them Fix minor bugs found by True Unix C compiler Version 3.0.7 (March 4, 2002) gethead: Add -l option to return values to end of line gettab: Improve line range implementation imcat and scat: Print spectral type for TDC format catalogs, if present keyhead: Add time and angle conversions for 2dF keyword changes and sethead and keyhead: Add -l command to log files as they are processed catutil.c: Fix agets() to work with keywords at start of line catutil.c: Add option in agets() to return value to end of line or / tmcread.c: Fix catalog name in web access wcscon.c: Fix precession units problem in ecl2fk5() and fk52ecl() wcsinit.c: Add XPIXSIZE/YPIXSIZE (KPNO) as additional image scale keywords Version 3.0.6 (January 24, 2002) imwcs, immatch: Allow arbitrary argument order on command line imwcs: After first pass, use WCS and tolerance for matching, if possible imwcs: set minimum number of matches to cut matching loop (minmatch=value) (default 40) and minimum number of stars for WCS fit (minstars=value) (default 3) imcat: Add -y to set epoch of image scat, imcat, skycoor: accept fractional year or FITS date for epoch scat: If RA search size is given, divide by cos(dec) for true arcseconds scat, imcat, imwcs, immatch: Improve error reporting getcol: Add sum, mean, sigma for hh:mm:ss and dd:mm:ss entries Add -e option to print medians of values in selected columns Add -f option to print ranges of values in selected columns Add -p option to print only sum, mean, sigma, or range, not entries Ignore non-numeric values for sums, means, ranges, and medians gettab: Fix bugs to deal with conditions correctly skycoor: Add -o argument to offset coordinates by arcseconds xy2sky: Add option to prepend RA and Dec to input tab table (-a -t) for output conpix: Use random() instead of drand48() for portability imrot, imwcs, immatch, imstar: Fix rotation of 8-bit images imstar: Add istat=0 option to avoid recomputing noise; improve code sethead: Add options to add comments to keywords from files and command line sethead: Allow use of stdin for input of keyword assignments sethead: Add -s to set character used for spaces in argument strings wcsinit.c: Use WCSDIM for number of axes if NAXIS is zero or absent ctgread.c: Fix Tycho-2 call argument error so scat, imcat, imwcs, immatch work matchstar.c: Try matching with current WCS before trying all possible offsets. uacread.c, gscread.c: Include math.h lin.c: Include stdlib.h instead of malloc.h for portability imio.c: Add 8-bit to 8-bit transfers to movepix() tabread.c: Fix initialization problems in header reading subroutine tabhgetc() Version 3.0.5 (September 27, 2001) Implement WCSLIB 2.7 Fix bugs in tabread() which didn't appear on Solaris, but did on Linux and Alpha Unix Fix bugs in gethead in printing values from free format ASCII files Add magnitude name to heading limit specification hget.c: Fix bug in str2dec() which misinterpreting strings with leading spaces hget.c: Fix bug in isnum() which caused bad answer if trailing spaces scat,imcat,immatch,imwcs: USNO-A2.0 and HST-GSC catalogs now available over web webread.c: Debug code to use ESO USNO-A2.0 and GSC servers ctgread.c: Fix bug dealing with radial velocities Version 3.0.4 (September 19, 2001) imwcs, imcat, scat, immatch: rewritten to deal with arbitrary numbers of mags imcat, scat: -s command now allows sorting by RA, Dec, and Mag(n), X, and Y imwcs, immatch: -k command selects magnitude for reference star selection hget.c: Decode yyyy/mm/dd as a date string in hgetdate() webread.c: free all memory which is allocated tmcread.c: flag magnitudes with rd_flag indicating high uncertainty sortstar.c: modified to handle arbitrary numbers of magnitudes and specified sort magnitude *read.c: arguments include single 2-D magnitude array and sort magnitude Version 3.0.3 (August 24, 2001 sethead: Fix bug which failed to assign FITS or IRAF filenames to keywords scat: Pass on velocities from TDC ASCII and Starbase catalogs ctgread.c, tabread.c: Deal with velocities and object names better Version 3.0.2 (August 2, 2001) imwcs: Allow less than three star matches if only 1 or 2 parameters fit Version 3.0.1 (July 25, 2001) xy2sky: Add -x argument to specify columns for x,y, -m for magnitude column, and -c for file containing magnitude calibration polynomial immatch: Add -q argument to fit image magnitude to catalog magnitude polynomial imstar: Return image instrumental magnitudes instead of flux getcol: Fix bug so that stdin can be used for input file scat: Fix various web access bugs binread.c: Fix bug so that catalogs not in specified directories can be found imsetwcs.c: Add code to fit image magnitudes to catalog magnitudes polfit.c: New file with polynomial fitting and evaluation subroutines Version 3.0 (July 12, 2001) scat, imcat, imwcs, immatch: Add support for GSC II, GSC-ACT and 2MASS Point Source Catalogs scat, imcat: Add parallax to Hipparcos catalog output and 4 fluxes to IRAS Point Source output scat: Add help to web interface delwcs.c: Add PC matrix to keywords deleted getcol.c: Add -b to read vertical-bar-separated columns to include spaces and -i to read tab-separated tables correctly gethead.c: Add -g for keyword=val<lf> and print same way if -v gettab.c: Create output tab tables from stdin without crashing imcat.c: Add option to set regions in pixels as well as arcseconds remap.c: Set default center to center of output image, not input; deal with projection changes correctly scat.c: Rewrite sort options, adding sort by declination and no sort at all scat.c and imcat.c: Clean up heading alignments; add band and n to GSC output skycoor.c: Add -i option to specify radian input binread.c: If 4 magnitudes, stash last two in integer*4 type catutil.c: Fix bug which caused parsing failure on quoted tokens catutil.c: Add GSC-ACT, 2MASS PSC, and GSC II catalogs dateutil.c: Add options to convert to and from year,day-of-year dateutil.c: Add fractional day on ISO FITS string as well as UT time. gsc2read.c: New subroutines to read GSC 2.2 catalog over the web hget.c: Fix possible problems in header length setting gscread.c: Add support for GSC-ACT with separate file path from GSC tmcread.c: New subroutines to read ASCII version of 2MASS Point Source Catalog ty2read.c: Extend search limits so searches do not slip between region limits and fix bug which caused last region on index list not to be checked. wcsinit.c: Read PROJPn projection constants, not PVn webread.c: Make a separate subroutine, webbuff(), to get data given a URL Version 2.9.3 (March 23, 2001) This is a bug-fix release which fixes compilation problems on HP-UX and Linux and problems with access to the SAO and PPM catalogs under certain conditions. binread.c: fixed use of PPM_PATH, SAO_PATH, and WCS_BINDIR in binread() catutil.c: Fixed PPMra definition in RefCat() getcol.c: dropped declared arguments from one subroutine declaration webread.c: dropped declared arguments from one subroutine declaration fixed webrnum() so it works scat.c: fixed handling of epoch when not specified wcs.h, wcs.c, wcsinit.c, wcslib.c, cel.c: Fixed minor bugs which caused Linux compilation errors. Version 2.9.2 (March 12, 2001) fitsfile.c, fitswcs.c: Change WCS selection character from : to % fitsfile.c: Fix bug which caused crash on reading multi-extension FITS files fileroot: New program used by saom* scripts to create match catalog file name Add shell scripts which use SAOimage to overplot and match star catalogs in the SAOimage.scripts subdirectory. Help messages now print my e-mail address to make it easier to complain about bugs (or compliment me for features which work). Version 2.9.1 (March 2, 2001) wcsinit.c: Fix bug which read CRPIX1 as CRPIX2 as well as CRPIX1 scat: Add option -z to append to pre-existing file (for SAOimage star matching) imsetwcs.c: Fix bugs with pre-matched stars. Version 2.9.0 (February 23, 2001) wcsinit.c, wcs.c, wcs.h: Implement sequentially dependent WCS's fitsfile.c: Debug multiple WCS implementation with multi-extension FITS files Specify WCS as file.fits:wcs or files.fits,extnum:wcs , where wcs is either the WCSNAME, if present in the header or WCS character. Version 2.8.7 (February 15, 2001) imwcs: Implement -u initial matches, though matches do not set initial WCS Direct all diagnostic output to stderr so it comes out in the correct order if it is sent to a file. Fix overwriting output image so it works even if final header is longer than original header. Fix -o option so it can either overwrite the input file or specify file. imrot: Fix -o option so it can either overwrite the input file or specify file. binread and ctgread: if pole is included, search entire RA range of RA-sorted catalog wcslib.h, lin.c, proj.c: minor updates from WCSLIB 2.5 to WCSLIB 2.6 (May 2000) wcsinit.c: New subroutines wcsinitn(header,name) and wcsinitc(header,char) allow use of multiple WCS's, though no dependent ones yet. Version 2.8.6 (January 2, 2001) scat, imcat, imwcs, immatch: Read catalogs across the web from CGI scat webread.c: New subroutines to read catalogs via http scat: Improve error handling and feedback scat: Read USNO plate catalogs reformatted like UJC imwcs: Implement first pass at dealing with pre-matched stars ujcread.c: Add code to read USNO plate catalogs (ra, dec, mag) tabread.c: Read proper motion in seconds/century as well as seconds/year hget.c: isnum() now rejects strings with embedded hyphens so that ISO dates are aligned as strings in FITS headers, not as right-justified numbers. Version 2.8.5 (September 29, 2000) scat, imcat: Print approximate spectral type instead of plate number for A2.0 scat: Print spectral type and 2nd mag in one-line closest star output format imrot: Echo only new file name if not -v output, use _EXTNAME if extraction catutil.c: Add br2sp() to approximate USNO-A2.0 spectral types ctgread.c: Implement multiple maginitudes and spectral types in ASCII catalogs uacread.c: Approximate spectral types from "B" and "R" wcsinit.c: Use CD matrix if any of CDi_j are present Version 2.8.4 (September 6, 2000) imstack: Add -o option to set output filename scat: Print leading zeroes in ID numbers for -f option search centers i2f: If pixel file not found, look in same directory as header file catutil.c Add option in CatNum to print leading zeroes if nnfld > 0 imhfile.c: Use header directory if pixel file not found at its pathname Version 2.8.3 (August 3, 2000) setpix: Add -a, -s, -m, and -d options to operate on existing pixel values in image sections with a constant. wcshead: Add -w option to print limits of 1-D images (often spectra) scat: Add ASCII catalog /x option to use X Y instead of spherical coordinates imcat, scat: Preserve star catalog structure between calls to avoid rereading Starbase and TDC ASCII and binary catalog files buffered in memory. imrot: Add -s option to split multi-extension FITS files to _n.fits newfits: Add -i option to fill data section of new FITS file from binary file wcs.c: Use keyword rotation angle for one-dimensional file imsetwcs.c: Fix bug which caused occasional segv, introduced in 2.8.0 dateutil.c: Fix bug so ep2jd() and jd2ep() both start at 1/1 0:00 catutil.c: Fix CatNum() and CatNumLen() to deal with integers > 10 digits tabread.c: Return actual catalog number from tabrnum() Version 2.8.2 (June 13, 2000) scat, imcat, immatch, imwcs: Fix bug which reversed Tycho-2 B and V magnitudes gethead: If -p, always print filename, even for one file ty2read: Fix bug which reversed B and V magnitudes (spectral type was OK) imhfile.c: If pixel file has no directory, always use same as header file Version 2.8.1 (June 9, 2000) scat, imcat, immatch, imwcs: Fix reading of USNO-A2.0 on PCs and Alphas gethead, sethead, delhead, cphead, keyhead: Improve error reporting uacread.c: Fix bug detecting byte-swapping on some files on PCs and Alphas hget.c: Get keyword values even if equal sign is not present Version 2.8.0 (June 2, 2000) scat, imcat, immatch, imwcs: Implement Tycho 2 astrometric catalog tabread.c: Read from any table in a multiple-table Starbase file wcs.c: If CTYPEn is not found, default to LINEAR, no error imgetwcs.c: Print debugging coordinates in degrees if wcs->degout is set ty2read.c: New subroutines to deal with the Tycho 2 catalog and a variety of other bugs fixed. Version 2.7.3 (May 1, 2000) imhfile: Fix bug and clean up code dealing with pixel subdirectories dateutil: Years from old FITS format or system less than 1000 get 1900 added hput: Bug in hadd() fixed so line is not overwritten. scat: Allocate search buffers once to speed multiple-object searches ctgread: Implement missing /d catalog flag for positions in degrees. Version 2.7.2 (March 28, 2000) cphead: New program to copy keyword values between headers gethead: Add extraction of keyword= values from any ASCII file Add conditions for use of specific header files Add replacement of embedded spaces with underscores getcol and gettab: Add conditions for use of lines in files imwcs: Allow iterating without then with tolerance reducing in one run imcat and scat: Improve handling of Starbase tab table catalogs Clean up output formatting platepos.c: Use inverse CD matrix to get better initial x,y value imgetwcs.c: Set reference pixel value to output system (bug fix) hput.c: Do not add quotes if writing COMMENT or HISTORY using hputs() imhfile.c: Minimize length of path in pixel file name, fix bug dealing with very long file paths. dateutil: Fix bug causing 2000-02-29 to appear as 2000-03-01; other dates OK. Add conversion routines for current local and UT times. Proper motion reporting has been implemented in scat and imcat with additional modifications to ctgread.c, tabread.c, actread.c, and binread.c Version 2.7.1 (February 15, 2000) cphead: New program to copy keyword values between headers imwcs and immatch: Increase limit of matches to 500 getcol: improve parsing of ranges of columns and lines gethead: Add optional output format which can be input to sethead tabread: implement proper motions in Starbase tab table files imstack: add option to stack a single image on itself n times and fix bugs Version 2.7.0 (February 3, 2000) Update WCSLIB subroutines to version 2.5, which was released in December imrot: Fix bug so new file is created if only BITPIX is changed skycoor: Fix bug so degree conversion works for coordinates from a file getdate, dateutil.c: Add support for modified Julian date Versdion 2.6.12 (January 13, 2000) scat, imcat: Fix output of Starbase tab table catalogs gettab: If no column names are specified, entire lines where tests are met are printed. dateutil.c: If old FITS format date is 100, it is assumed to be 2000 Writing 100 in the year field is a typical Y2K failure. The software already interprets 00 as 2000. tabread.c: Fix bug in tabopen(); return id if *_id present; count decimals imhfile.c: Fix bug in iraf2fits() which dropped keyword after OBJECT Version 2.6.11 (December 20, 1999) conpix: Added -c (set constant), -r (square root), and -g (Gaussian noise) getcol: Add -t conversion to tab-separated table sethead: Add -d option to change date from old FITS format to new FITS ISO format. This works on dates of format dd/mm/yyyy as well as dd/mm/yy setpix: Fix bugs getpix: Fix bugs so that upper and lower pixel limits can be used together getdate: New program which uses dateutil.c to do many date and time conversions imio.c: Round all float and double conversions to integer tnxpos.c: Fix several bugs; set wcs->rot using wcsrotset() wcsfort.c: Add error handling and better internal documentation dateutil.c: Fix bugs and add more conversions hget.c: Fix bug extracting minutes and seconds from FITS ISO time string Version 2.6.10 (December 9, 1999) remap: Added -i flag to set output BITPIX and avoid overflows getpix: Added -g and -l options to print only pixels within value limits hget.c: Fix bug in isnum() so numeric strings starting with d or e are not decreed to be numbers. dateutil.c: Fix bug in ts2jd() which caused JD to be much too big Version 2.6.9 (December 1, 1999) edhead: Added -e option to select an editor and none editor option to simply filter a header, removing control characters without editing gethead: Added -u option to always print underscores if keyword not found and -f option to never print filenames imwcs: Now copies images without reading them to memory if image catalogs computed externally; fixed bug which broke iterations, and handle dataless headers with separate image catalogs getcol: Add -a, -c, and -m options to get sums, counts, and means of columns imhead: Add options to output exact FITS header and set BITPIX to 0 sethead: Fixed bug which wrote character string keyword values twice remap: Added galactic coordinate output option scat, skycoor: Fixed bug when setting epoch or equinox on command line imhfile.c: Delete all keywords read from binary part of header before writing a new .imh file wcs.c: Fixed bug which caused NCP to be ignored in wcstype() findstar.c: Allow image catalog filename to be up to 256 characters tabread.c: Improve error checking; istab() returns 1 only if column headers Version 2.6.8 (November 5, 1999) immatch, imstar, and imwcs now read Starbase files as well as DAOPHOT-format files for star x-y input (-d). sumpix: Add options to compute means, variances, and standard deviations newfits: bugs fixed getcol is a new task for getting information from ASCII space-delimited tables. lint was run on all source code, and it was cleaned up iraf2fits: Add keyword DATE-MOD with binary time translated to FITS date imhfile.c: A major memory leak fixed after Jean-Baptiste Marquette ran Insure++ on the code catfile.c change to ctgfile.c and cat*() subroutines renamed to ctg*() to avoid conflicts with standard C catopen() and catclose() calls. catutil.c: Fix bug in getoken() which lost last character on line tabread.c, fitsfile.c: memory allocation cleaned up findstar.c: Use of pointers cleaned up; read tab tables as well as DAOPHOT format dateutil.c: Fix bug to return epoch if fractional year given (-y arguments) Version 2.6.7 (October 21, 1999) fitsfile.c: Set header length lhead0 in hget.c when allocated or reallocated imhfile.c: Set header length lhead0 in hget.c when allocated hput.c: Check length of header and return error if trying to write beyond end. setpix.c, sethead.c: Reallocate header and try again if hput returns error setpix.c: Fix subroutine arguments after lint Version 2.6.6 (September 28, 1999) scat: Fix access to GSC by number i2f: Add option to write to standard output fixpix: Fix bugs remap: New program gscread.c: Fix table allocation bug imhfile.c: Don't copy OBJECT keyword from .imh file; use binary i_title fitsfile.c: Add option to write to standard output as filename stdout imio.c: Add new subroutines to add to a pixel (addpix) and use FITS one-based in addition to C zero-based image coordinates. Version 2.6.5 (September 16, 1999) scat: Fix bug which returned inconstent results from distance sorts. scat.c, imcat.c, imsetwcs.c: Rewrite catalog access so it all goes through catread(), catrnum(), etc. Add distsort argument to all *read() calls. catread.c: Add argument for catalog type from RefCat(), and add code to call access routines for each type of catalog supported by the package. imio.c: Fix scaling code which caused problems on some compilers tabread.c: Fix coordinate system problems matchstar.c: Fix bug initializing CD matrix Version 2.6.4 (August 31, 1999) scat.c: Fix -r before decimal coordinates. Fix long/lat and 0:00 search bugs. imcat.c and scat.c: Fix formatting and -n option immatch: Fix fatal bug caused by changes to imwcs subroutines sethead.c: Write multiple keywords of form name_i when character value too long gethead.c: Concatenate multi-line keyword values in new sethead format gethead.c, delhead.c, sethead.c, keyhead.c: Programs rewritten to deal more completely with files of keywords and image files fileutil.c: New subtroutines to compartmentalize file information gathering hget.c: hgetm() now reads name_i, name_ii, and name_iii(IRAF) multiline keywords gscread.c, uacread.c, ujcread.c, binread.c: Call RefLim() to set catalog search ujcread.c: Fix bug when number of stars found exceeds maximum limits and fix test when search area passes through 0:00 RA wcs.c: Print dd:mm:ss (not hh:mm:ss) dd:mm:ss for long/lat coordinates if degout=0 Version 2.6.3 (July 9, 1999) imwcs.c, immatch.c, imstar.c: Fix command line rotation angle setting imgetwcs.c: Fix bug when converting image coordinates to reference system imgetwcs.c: Fix bug so command line reference pixel is used correctly imsetwcs.c: Fix bug which reinitialized CDELT1 incorrectly when iterating sumpix.c: New program to add pixel values over rows. columns, or regions dateutil.c: New file with many date and time conversion subroutines fitswcs.c: Do not write J2000 or B1950 as RADECSYS; use FK5 and FK4 Version 2.6.2 imrotate.c: Fix bug which caused overflow in history header line imrotate.c: Rewrite to return pointer to rotated image gethead.c: Fix bug which sometimes caused garbage at start of output lines imstar.c: Add option to set brightest star in image to arbitary magnitude All catalog subroutines now use SearchLim() to set RA and Dec limits Version 2.6.1 scat.c: Fix bug if -r last command; allow sexigesimal degree search radius scat.c: Allow rectangular search box (-r radius or -r width height) newfits.c: Create FITS files as they appear in command line unaffected by subsequent command line arguments. Allow center to be set as standard WCSTools coordinate string (ra dec system) Version 2.6 (June 4, 1999) conpix.c: Operate on all pixels of an image (new) gettab.c: Extract values from a tab table file (new) newfits.c: Make dataless or blank FITS image files (new) imextract.c: Extract 1D file from 2D file or 2D file from 3D file (new) imwcs.c, imcat.c, immatch.c, scat.c: Add support for ACT catalog scat.c: Add number ranges, search from catalog file of centers immatch.c, imwcs.c: Add catalog selection through symbolic link to executable skycoor.c: Add options to get separations and convert in and out of cartesian equatorial coordinates gethead.c, delhead.c, keyhead.c, sethead.c: Deal gracefully with any number of command line arguments, ignoring those past limiting number getpix.c and setpix.c: Now work with 1-d images as well as 2-d images actread.c: New subroutines to read ACT catalog (new) catutil.c: Repackaging and new subroutines for catalog identification, range decoding and date format conversion binread.c: Fix bug with 0h wraparound searches catread.c: Rewrote parser, allow coordinate system per star fitsfile.c: Allow 0-data-byte files and BITPIX=0 for data-free WCS fits imgetwcs.c: Allow negated scales to flip axes tabread.c: Rewrote and generalized tab table access to use same structures as binread() and catread() wcs.c: Fix latitude for NPA and SPA coordinate systems For quad cube projections, z=0-5 (faces) instead of 1-6 Add file name to error messages, if available wcsinit.c: Set rotation angle correctly for DSS projection Add PIXSCALE as possible plate scale keyword (arcsec/pixel) Return an error message for all WCS failures Fix bug in dealing with EPOCHless non-equatorial coordinates wcshead.c: Change name of subroutine to avoid conflict with wcslib subroutine Version 2.5 (December 8, 1998) edhead.c: make temporary file in /tmp and delete it when done imcat.c, scat.c imwcs.c, immatch.c: Add code to read TDC ASCII, USNO-A2.0, and USNO-SA2.0 catalogs imcat.c, imstar.c: add output options to create SAOimage region file of stars imwcs.c: add access to TDC binary catalogs such as SAO, PPM, and Tycho imwcs.c: fix bugs in coordinate system handling keyhead.c: add option to transfer keyword values within a header gscread.c, uacread.c, ujcread.c, tabread.c, binread.c: An egregious error which failed to reassign numbers when dropping faint or far stars when there were too many for the desired return was fixed catread.c: new subroutines to read TDC ASCII catalogs wcs.c: fix bug when dealing with rotation of mirrored (right-handed) systems wcsinit.c: Read projection constants neaded for some WCSLIB projections fitsfile.c: add isfits() subroutine so unsuffixed files can be identified imhfile.c: Use file pointer to get file length; add isiraf() subroutine uacread.c: Add support for USNO A-2.0 catalog and USNO SA-2.0 catalog wcslib.h: combine lin.h, cel,h, proj,h, and wcstrig.h into wcslib.h fitsfile.c: fix bug to deal correctly with very large headers Version 2.4.1 (September 15, 1998) scat.c, imcat.c: Add code to read TDC binary catalogs binread.c: new subroutines to read TDC binary catalogs star.h: new data structure for TDC binary catalogs uacread.c: bug fix for reading USNO A 1.0 CDROMs dsspos.c, tnxpos.c: minor bug fixes ssao,sppm,siras: new links to scat to search SAO, PPM, and IRAS Point Source Catalogs imsao,imppm,imiras: new links to imcat to search SAO, PPM, and IRAS Point Source Catalogs Version 2.4 (September 4, 1998) sethead.c: new arguments to add history to header sethead.c delhead.c keyhead.c: Write whole file if modifying primary header All files now transfer the extension from the input file if writing a new file i2f.c: Write .fits files instead of .fit; write HISTORY line wcs.c: Up to 10 commands may be preset hput.c: Add getltime() and getutime() to set ISO local time and UT strings wcs.h: Added pa_north, pa_east, imrot, and imflip to show image orientation Version 2.3.4 (July 28, 1998) delwcs.c: New program to delete keyword entries from image headers sethead.c: Updated to allow multiple files to be changed imhio.c: Properly sets modification date; memory management bugs fixed Version 2.3.3 (July 24, 1998) imhio.c: Fix major bug by writing length of header to IRAF .imh files Version 2.3.2 (July 16, 1998) wcslib.c, wcs.c: Correct implementation of CSC, and probably all, quad cube projections. sky2xy.c: Add third dimension in output for quad cube projections xy2sky.c: Add -f <num> for third dimension of input for quad cube projections. Version 2.3 (July 10, 1998) Restructure WCS initialization subroutines, putting keyword-dependent stuff into wcsinit.c wcs.c: Add wcskinit() to initialize WCS from keywords obtained elsewhere wcs.c: Add wcsndec() to set number of decimal places output by pix2wcst() wcs.c: Fix wcscdset() to deal with all possible cases correctly wcs.c: Change setlinmode() to setwcslin() and setdegout() to setwcsdeg(). wcsinit.c: Fix bug reading 1-dimensional FITS files wcsinit.c: Fix several initialization bugs discovered on Alpha version wcs.c: Add ICRS as RADECSYS value (acts like FK5) wcsfort.c: Add Fortran interface in wcsfort.c wcs.c: Use AIPS subroutines of CAR projection to avoid WCSLIB bug scat.c: Add equinox options to and fix other bugs imcat.c: Add equinox options to and fix other bugs Version 2.2.1 (June 2, 1998) Fix bug in hput() so blank lines before END are filled correctly Fix fatal bug in tabread() Version 2.2 (May 14, 1998) Compute pixels from galactic coordinates correctly. Implement arbitrary equinox in form Jyyyy.ffff or Byyyy.ffff. Modify polynomial WCS to be closer to what is being discussed in fitswcs. Add support for ecliptic coordinates, and improve coordinate conversion. Fix pixel to WCS IRAF TNX projection; WCS to pixel still has problems. Add support for IRAF unsigned data types Version 2.1 (March 31, 1998) Add polynomial plate fit and IRAF TNX projection. Fix various bugs. Fit CD matrix as well as CDELT/CROTA. Add iteration and recentering to IMWCS. Version 2.0 (February 18, 1998) Use Mark Calabretta's WCS code instead of AIPS classic WCS subroutines for the standard FITS projections. Version 1.5 (December 15, 1997) Rewrite IRAF code to deal with IRAF 2.11 reformatted headers. Fix a variety bugs. Switch to single catalog search and image-based catalog search programs, invoked by different names for different catalogs. Version 1.4 (October 16, 1997) Rewrite FITS code to deal with FITS image extensions. Fix bugs in fitting routine and deal with off-axis images, such as those from CCD mosaics. Version 1.3.1 (April 25, 1997) Fixed major bug in USNO A-1.0 and USNO SA-1.0 catalog reading which ignored stars which are flagged as being in the Guide Star Catalog Version 1.3 (February 24, 1997) Fixed pointer tests to check for NULL rather than 0 so they will work properly in Linux. Coordinate conversion inconsistencies were repaired. All programs which only use header information call a common subroutine to read the header. Version 1.2.2 (January 27, 1997): Fixed bug in HGET which ignored exponent of floating point string when extracting an integer due to use of atoi() instead of (int)atof(). This most often affects how EPOCH is interpreted. Version 1.2.1 (January 15, 1997): Fixed bug in RA sorting which affected all catalog search programs |