news.txt

basic median filter simulation

26-Jun-2006: DBCREATE - Fix problem introduced May 2006 when default integer
               types were change to LONG

23-Jun-2006: MWRFITS - Use /SWAP_IF_LITTLE_ENDIAN keyword  to OPEN for 
                       improved speed.  

8-Jun-2006: TBPRINT - Use case-insensitive match of column names with TTYPES

7-Jun-2006: FITS_OPEN - Call XDISPSTR if /HPRINT is set on a GUI terminal
            HPRINT - Call XDISPSTR if on a GUI terminal

5-Jun-2006: XDISPSTR - Widget display of text with a simple search capability

2-Jun-2006: GETPRO - Now uses FILE_WHICH() function for improved speed
            FINDPRO - Use FILE_SEARCH instead of FINDFILE for V5.5 or later

26-May-2006: PLOTHIST - Add /BOXPLOT keyword, use exact XRANGE as default

16-May-2006: FDECOMP - Include final delimiter in directory name under
                   Windows, as advertised
             QUERYVIZIER() - New /ALLCOLUMNS keyword to return all catalog 
	            columns.    Also, QUERYVIZIER() **now returns an 
		    anonymous rather than a named structure**		   

1-May-2006:  DBCREATE - Make sure to use lowercase file names on Unix
             HROT - Work with a 1 element floating point angle 

28-Apr-2006: MRDFITS(), TBGET() - Use faster byteswapping keywords to BYTEORDER

25-Apr-2006: DBEDIT - Now use DIALOG_MESSAGE for error messages

             A_b() - Moved to obsolete directory 

24-Apr-2006: AITOFF_GRID, ARCBAR, HISTOGAUSS, SUNSYMBOL(), TICLABELS - 
                 Now have a FONT keyword to specify font (-1, 0 or 1)  
		 
	     HOST_TO_IEEE, IEEE_TO_HOST - use new keywords to BYTEORDER	             
                   for improved performance

21-Apr-2006: FITS_WRITE - Fix problem when number of bytes exceeds 32 bit word
             N_BYTES() - Now returns a long64 integer
             QUERYVIZIER() - Recognize 'E' format (same as 'F'format)

14-Apr-2006: Library now requires V5.4 or later, v53 directory contains 
                frozen version, V5.4 related changes include: 
	     GET_DATE - Removed LOCAL_DIFF keyword	
             FSTRING() - moved to obsolete directory
	     ADSTRING(), TO_HEX(), FTPUT - removed call to FSTRING()
	     BOXAVE() - allow 64bit integers		
             GETTOK(), MATCH, FM_UNRED - use COMPLEMENT keyword to WHERE 
	     HPRINT, FTDELCOL - Use BREAK instead of GOTO
	     MRD_SKIP, FITS_OPEN, FITS_INFO  - Use fstat.compress
	     GET_JULDATE - Use /UTC keyword to SYSTIME()
	     DB_ITEM, FITSDIR, NUMLINES(), IRAFRD - Use FILE_EXPAND_PATH

13-Apr-2006: DATE_CONV() - removed RETALL from error messages
             MMM - Now has NaN keyword to check for not-a-number values

05-Apr-2006: HPRECESS - Fix algorithm when CROTA2 in FITS header
             XYAD - Include equinox when displaying coordinates

03-Apr-2006: DATE_CONV() - Don't include space in output FITS date

01-Apr-2006: FITS_READ, READFITS() - Do not modify BSCALE/BZERO in FITS header
                  if reading unsigned integers

31-Mar-2006: MODFITS - Make sure last line of input FITS header is END
             DBPRINT - Fix display on GUI terminals

27-Mar-2006: POLY_SMOOTH() - Add /EDGE_TRUNCATE to CONVOL call

22-Mar-2006: QUERYVIZIER - 22 Feb update was not properly returning the first
                    object found.                       

17-Mar-2006: FXHMODIFY - Fixed problem when needing to extend size of primary
                         header with a call to BLKSHIFT

14-Mar-2006: DBEDIT - Added /BYTENUM keyword to treat bytes as numbers rather
                      than characters

1-Mar-2006:  SIXTY() - Added /TrailSign keyword to always place minus sign
                      on first element, rather than first nonzero element.

28-Feb-2006: CONVOLVE() - Match output precision type to that of input

24-Feb-2006: NUMLINES() -- Handle Unix files with spaces prior to IDL V5.6

23-Feb-2006: FXBADDCOL, FXBTFORM -- Added support for 64 bit integers
             MWRFITS - Removed warning about 64bit integers now that they are
	               standard FITS (as of December 2005)

22-Feb-2006: QUERYVIZIER - Updated for a change in the VIZIER output

6-Feb-2006:  FXPOSIT - Remove leading spaces in filename when FINDFILE used

20-Jan-2006: RESISTANT_MEAN - Fix calculation of SIGMA_MEAN
             MMM - Fixed error introduced June 2004 removing outliers when
	           READNOISE not set

29-Dec-2005: WCSSPH2XY, WCSXY2SPH - Fixed AIRY projection when centered at
                       90 degree latitude

21-Dec-2005: CO_REFRACT() - Fix problem with vector input when /TO_OBSERVED set

15-Dec-2005: JPLEPHINTERP - Fix highest order term in velocity computation

05-Dec-2005: TEN(), TENV() - Now recognize -0.0 as a negative value

23-Nov-2005: APER - Added MEANBACK keyword to use sigma-clipped mean instead
                       of calling mmm.pro
             MMM - Added /SILENT keyword to suppress error messages		       

17-Nov-2005: TBPRINT - Better display formatting (space between columns)

16-Nov-2005: MEANCLIP - Added /DOUBLE keyword

09-Nov-2005: PRINT_STRUCT - Avoid overflow when displaying more than 10000 
             elements

27-Oct-2005: SXADDPAR - Work again with empty string input
             MMM - Fewer aborts for strange sky histograms

15-Sep-2005: LEGEND - Added FONT keyword [-1,0 or 1} to pass to XYOUTS commands.

09-Sep-2005: TBHELP - Fixed bug introduced 31-Aug-2005 to not display TFORM

02-Sep-2005: TVBOX - Don't round coordinates when /DATA is set

31-Aug-2005: FTAB_HELP - Now defaults to display all extensions
             TBHELP, FTHELP - Slightly more compact display formats

26-Aug-2005: QUERYVIZIER - Make dis (3rd parameter) optional (as advertised)

17-Aug-2005: HEULER - Use double precision to compute new North Pole

21-Jul-2005: FITS_INFO - Now work for FITS files with SIMPLE=F

18-Jul-2005: WCSSPH2XY - Return unprojectable points as NaN values
             PLOTHIST - Added /AUTOBIN keyword to set the number of bins to
                        the square root of the number of samples 

05-Jul-2005: READCOL - added "compile_opt idl2" to ensure pre-V6.1 compatibility

22-Jun-2005: MRD_STRUCT - Fix problem when both NO_EXECUTE and STRUCTYPE set
             QUERYVIZIER - Eliminate use of EXECUTE() statement
             READCOL - Eliminate use of EXECUTE() for V6.1 or later; accept 
                       null strings separated by delimiter ,e.g. ',,,'

18-May-2005: SXADDPAR - Fix SAVECOMMENT error with non-string values

17-May-2005: PUTAST - Don't use CROTA2 keyword if skew is present in the input
                      astrometry
             GETROT - Added ALT keyword

12-May-2005: HREBIN, HCONGRID - Fixed problem in output astrometry if CROTA2 or
                     PC matrix used.   Added ALT keyword.

05-May-2005: ADXY - Still work if no WCS coordinates are present

02-May-2005: FXBWRITM - Remove call to EXECUTE() when using POINTERS keyword

25-Apr-2005: KSONE -  Allow passing keywords to func_name via _EXTRA facility

20-Apr-2005: TICPOS - Fix cases where tic increment is at degree/minute or
                       minute/arcsec boundary

19-Apr-2005: IMDBASE - Now accepts ALT keyword for alternate astrometry

11-Apr-2005: FXBGROW - Fixed bug in the zeroing of the output file

06-Apr-2005: JPLEPHINTERP - Handle custom-built ephemerides

30-Mar-2005: PARTVELVEC - Now has a VecColors keyword to set arrow colors

08-Mar-2005: FXREAD - Can now be used to read image extensions

25-Feb-2005: READFITS() - Fix problem with unsigned integers introduced Sep 2004
             HASTROM - Check for distortion parameters in headers, add more 
                       FITS HISTORY records

24-Feb-2005: MINMAX() - Work again for versions prior to V5.5

07-Feb-2005: MRDFITS() - Fix problem when /USE_COLNUM is set

03-Feb-2005: MRDFITS() - Fix problem with string variable binary tables, 
              possible  math overflow on non-IEEE machines 

01-Feb-2005: FITS_HELP - Don't truncate displayed EXTNAME values at 10 chars

31-Jan-2005: BLKSHIFT - Call TRUNCATE_LUN when shifting data forward from the
                  end of the file.

20-Jan-2005: MOONPOS, NUTATE - Avoid possible integer overflow

12-Jan-2005: MRDFITS() - Fixed problem reading zero width arrays in binary 
                 tables on non-IEEE (e.g. Linux) machines

10-Jan-2005: MINMAX() - Added SUBSCRIPT_MIN and SUBSCRIPT_MAX output keywords

03-Jan-2005: MWRFITS - Fix writing of empty strings to a binary table

31-Dec-2004: MODFITS - More robust error reporting 

16-Dec-2004: MRDFITS() - Propragate /SILENT to MRD_HREAD, more LONG64 casting
             APER - Fixed bug introduced 11/04 when there are no bad pixels

15-Dec-2004: RDFITS_STRUCT - Don't copy primary header into extension headers

14-Dec-2004: FITS_INFO - Check entire header for EXTNAME keyword
             SXPAR() - Make sure ABORT parameter always defined

10-Dec-2004: CHECKSUM32 - Sep. 2004 update introduced byte-ordering error for
                   Linux boxes


24-Nov-2004: HROTATE - If GSSS astrometry is present, then convert to standard
                   world coordinate system (WCS) astrometry
  
22-Nov-2004: WRITEFITS - Fixed problem when CHECKSUM set, and a heap array given

02-Nov-2004: APER - Now has /NAN keyword to signal a check for NaN pixels

29-Oct-2004: MMM - Improved numerical precision

25-Oct-2004: MRDFITS() - Check if extra degenerate NAXISi keywords are present

19-Oct-2004: WRITEFITS - Added ability to write to heap area 
             CURVAL - Now has "ALT" keyword to select alternate astrometry

18-Oct-2004: HPRINT - Fixed 1 line offset on terminal that don't support /MORE

15-Oct-2004: XYAD, XY2AD, AD2XY - Now work for FITS headers with WCS keywords
               (CRPIX, CRVAL, CDELT) but no astronomical projection.

12-Oct-2004: RDFITS_STRUCT - Now has a /HEADER_ONLY keyword to read all the
                headers (and no data) in a FITS file 

11-Oct-2004: HPRINT, FORPRINT - Do a simple PRINT if IDL in demo mode

01-Oct-2004: UNZOOM_XY, ZOOM_XY, TVLIST, CURVAL - Now compatible with versions
              in the MOUSSE library (http://archive.stsci.edu/uit/analysis.html)