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  • Emmanuel Bertin's avatar
    Moved the whole package back to GPL. · 7c4a1656
    Emmanuel Bertin authored 
    Added more complete headers to all files.
Clarified licensing issues.
Updated FITS library.
Updated configuration files.
Added configuration files to the list of data that get installed in ${prefix}/share/sextractor.
Added background offset and point-source model components: FLUX_BACKOFFSET,FLUXERR_BACKOFFSET,FLUX_POINTSOURCE,FLUXERR_POINTSOURCE,MAG_POINTSOURCE,MAGERR_POINTSOURCE.
Tweaked model-fitting convergence parameters.
Fixed catalogue source ordering/number issue in dual-image mode.
Pushed version number to 2.13.0.
    7c4a1656
HISTORY 4.80 KiB
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October 2010: 2.13
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	- Adaptive CLASS_STAR
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	- Model-fitting.
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	- Licensing back to GPL
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December 2009: 2.10
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	- Support for FLAGS_WEIGHT
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December 2007: 2.7
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	- FITS I/O and astrometry layers updated (same as SWarp and SCAMP)
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	- Early support for model-fitting
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July 2006: 2.5
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        - Support for VOTable catalogs and metadata in output.
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August 2005: 2.4
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        - New windowed measurement parameters
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        - Better FITS compliancy of output files
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May 2003: 2.3
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	- Autoconf'ed package.
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	- Dumpable internal config file
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	- Large File Support
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	- Support for MEF files
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February 2001: 2.2
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	- Mostly bug fixes and experimental stuff added (PSF-fitting)
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May 1999: 2.1
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	- Mostly bug fixes and experimental stuff added
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April 1998: 2.0
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	- New documentation
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January 1997 - March 1998:1.2
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	- Rewriting of an important part of the software, in order to
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	  prepare the future... Further optimization of many functions:
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	  V1.2 is 30 to 500% faster than V1.0.
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	- (natural) bicubic spline interpolation added to the background-map
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	  processing.
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	- Possibility to use another FITS frame for detecting objects,
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	  allowing pixel-to-pixel colour measurements.
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	- New MAG_AUTO magnitudes, more robust towards contamination by
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	  neighbouring sources (MASKing option).
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	- New .sex format.
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	- New CHECKIMAGE_TYPEs: MINIBACKGROUND (produces small background maps),
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				BACKGROUND_RMS (produces noise maps)
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				MINIBACK_RMS (produces small noise maps)
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				IDENTICAL (useful for converting data types)
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	                        -OBJECTS (background and detections removed).
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        - Multiple CHECKIMAGE output.
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	- New astrometric parameters using the WCS library.
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        - Handling of external flag-maps.
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        - Handling of images with variable S/N and external noise- or weight-
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          maps, with interpolation.
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        - Real-time cross-identification with an ASCII catalog.
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May 1996:	1.1 "DeNIS" version (not distributed officially)
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	- Corrects 2 fatal bugs which sometimes appeared with DEC-Alphas
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	- Incorporates a new extended FITS output format.
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	- Added possibility to measure within multiple apertures.
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May 1995: Passed 1.0a version: -> FIRST OFFICIAL RELEASE!!! <-
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	- Now the NNW filename is correct in FITS catalog headers.
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	- Corrected a convolution bug with large masks at the bottom of
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	  the frame. Added a better-than-nothing normalization of
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	  zero-sum masks.
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	- Display of the FITS ID limited to 20 characters.
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	- New default.nnw enhanced and with a larger seeing range.
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	- FWHM parameters slightly tuned for undersampled profiles.
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- The ``sexcopy'' SExTool put in the previous archive wasn't the right one! Replaced. - 2 new SExtools released: sexreduce and sexin. Apr 1995: FIRST 1.0 version: - Neural-network based star/galaxy classifier implemented. NNW-file for Moffat-like PSFs in the optical, generated from simulations. - User's manual updated. - FWHM_IMAGE, FWHM_IMAGE and ELONGATION parameters added. - many more typical convolution files included in the archive. - Comments (beginning with a `#') are now allowed within all the configuration files. - 2 SExTools released: sexcat and sexcopy. - Alpha VMS version added (thanks to R. Johnstone). Feb 1995: 1.0 beta 5e version: - 2 bugs major corrected: background interpolation when very special convolution masks are used, and (fixed) aperture magnitude (improved to sub-pixel integration). - Possibility to change preference keywords from the command line. Dec 1994: 1.0 beta 5 version: - Major update! Too many changes to mention. - Code optimized and much more stable now. - New executables for IBM RS6000 and AMIGA added. - "II" dropped: call me simply "SExtractor" now. Sep 1994: 1.0 beta 4 version: - "clean" distribution with source and makefiles for DEC Alpha, HP/UX, and SUN workstations. - SATUR_LEVEL keyword added. - FLAGS parameter now reliable and written in decimal in ASCII cat. - KRON_RADIUS parameter now reliable. - MAG_ISO_ERR and MAG_APER_ERR now give trusty estimates. - BACKGROUND parameter now in "raw" units. - catalog index numbering starts now from 1. - 2 huge fatal bugs corrected in deblending and background estimation procedures. Jun 1994: 1.0 beta 3 version: many bugs corrected thanks to enthousiastic testers! First public release. May 1994: 1.0 beta 2 version: reads now all kinds of FITS data. C code completely rewritten in ANSI; image bitmaps are now stored in floating-point. Now controlled through configuration files. User's manual written. Feb 1994: 1.0 beta 1 version of "Sextractor II", still limited to 16 bits FITS frames, but pipelined processing allows now frames with size up to 65534x65534 to be processable on most machines. Mar 1993: final version of "Sextractor I": limited to 16 bits 2048x2048 max. FITS frames, specifically oriented toward Schmidt plate data processing. Has reduced more than 1.2e10 pixels within 10 months...