.help revisions Jun88 noao.imred.echelle
.nf
=======
V2.12.3
=======

imred$echelle/echelle.cl
    With the change of SCOMBINE to a separate executable the package
    file needed to be updated.  (1/19/05)

=======
V2.12.2
=======

imred$echelle/doc/ecidentify.hlp
    Fixed some minor typos in the function description section.
    (8/26/03, Valdes)

=======
V2.12.1
=======

=====
V2.12
=====

imred$echelle/standard.par
    Added blackbody query parameters.  (5/2/02, Valdes)

imred$echelle/doc/ecidentify.hlp
    Added a description of how to evaluate the dispersion functions.
    (4/20/01, Valdes)

imred$echelle/doc/dofoe.hlp
    Modified to explain that this task may be used with a single fiber.
    (11/21/00, Valdes)

========
V2.11.3a
========

imred$echelle/doc/ecidentify.hlp
    Fixed minor formating problem. (4/22/99, Valdes)

=====
V2.11
=====

imred$echelle/echelle.cl
imred$echelle/echelle.men
    Added sapertures to the pacakge.  (12/4/97, Valdes)

=====
V2.11
=====

imred$echelle/demos/mkdoecslit.cl
imred$echelle/demos/mkdofoe.cl
    Made the ARTDATA package parameters explicit (4/15/97, Valdes)

imred$echelle/demos/xgdoecslit.dat
    The test now includes batch processing.  (10/3/96, Valdes)

imred$echelle/echelle.cl
    Increased the minimum min_lenuserarea from 40000 to 100000.
    (7/31/96, Valdes)

imred$echelle/demos/mkdoecslit.cl
    Added a flat field.  (11/6/94, Valdes)

imred$echelle/*
    Further updates for WCS version of ONEDSPEC. (7/24/91, Valdes)

imred$echelle/echelle.cl
imred$echelle/echelle.par
imred$echelle/echelle.men
imred$echelle/echelle.hd
    The package was updated for V3 of APEXTRACT and ONEDSPEC.  All parameter
    files are now part of those packages and now local copies are used.
    Some tasks have disappeared such as APIO and ECSELECT and a number of
    others have been added.

imred$echelle/ecbplot.cl -
imred$echelle/doc/ecbplot.hlp -
imred$echelle/echelle.cl
imred$echelle/echelle.hd
imred$echelle/echelle.men
    The generic task BPLOT replaces ECBPLOT.  (8/24/90, Valdes)

============================
V3 of APEXTRACT and ONEDSPEC
============================

imred$echelle/doc/ecreidentify.hlp
    The refit option now maintains the order offset of the reference.
    (6/12/90, Valdes)

====
V2.9
====

imred$echelle/ecbplot.cl
    Added a missing parameter declaration for "cur".  (10/27/89, Valdes)

====
V2.8
====

imred$echelle/eccontinuum.par +
imred$echelle/doc/eccontinuum.hlp +
imred$echelle/echelle.cl
imred$echelle/echelle.men
imred$echelle/echelle.hd
    Added the hooks for the new eccontinuum.  The executable is in
    onedspec$t_ecctm.x.  (6/2/89, Seaman)

imred$echelle/ecbplot.cl +
imred$echelle/doc/ecbplot.hlp +
imred$echelle/echelle.cl
imred$echelle/echelle.men
imred$echelle/echelle.hd
    Added the new script and removed bplot.  (6/2/89, Seaman)

imred$echelle/standard.par
    Removed ennumerated list.  (4/10/89, Valdes)

imred$echelle/echelle.cl
imred$echelle/echelle.men
imred$echelle/specplot.par+
	Task SPECPLOT added.  (4/3/89 ShJ)

imred$echelle/ecselect.par +
imred$echelle/doc/ecselect.hlp +
imred$echelle/echelle.cl
imred$echelle/echelle.men
imred$echelle/echelle.hd
    Added a new task ECSELECT to select and extract apertures from
    echelle format spectra.  (3/8/89, Valdes)

imred$echelle/apscatter.par +
imred$echelle/apscat1.par +
imred$echelle/apscat2.par +
imred$echelle/echelle.cl
imred$echelle/echelle.men
    Added a new task, APSCATTER, to fit and subtract scattered light.
    It includes two hidden psets, APSCAT1 and APSCAT2.  (3/3/89, Valdes)

imred$echelle/doc/ecidentify.hlp
    Add a little discussion concerning the speed advantage of the 'o'
    fit compared to the 'f' fit. (2/2/89, Valdes)

noao$imred/echelle/
    Davis, Oct 31, 1988
    The tasks ecbplot and eccontinuum and the hidden task _enranges were
    added to the echelle package. These tasks were written by Rob
    Seaman.

imred$echelle/echelle.cl
imred$echelle/echelle.par
imred$echelle/echelle.men
imred$echelle/ecdispcor.par +
imred$echelle/ecidentify.par +
imred$echelle/ecreidentify.par +
imred$echelle/refspectra.par +
imred$echelle/dispcor.par -
imred$echelle/identify.par -
imred$echelle/reidentify.par -
    New version of this package using new echelle tools instead of ONEDSPEC
    tools.  (4/7/88 Valdes)

================================================================================

noao$imred/echelle/reidentify.par
    Valdes, Jan 4, 1988
    Updated parameter file for new REIDENTIFY parameter.

noao$imred/echelle/echelle.cl
noao$imred/echelle/echelle.men
noao$imred/echelle/apnormalize.par +
    Added the APNORMALIZE task to the package. (fv 7/1/87)

noao$imred/echelle/dispcor.par
    Valdes, March 5, 1987
    1.  The DISPCOR default parameter file has been updated because of
	changes to the task; most notable being that wstart and wpc are
	list structured.

noao$imred/echelle/echelle.cl
noao$imred/echelle/echelle.men
noao$imred/echelle/shedit.par +
    Valdes, October 6, 1986
    1.  Added new task SHEDIT.

noao$imred/echelle/identify.par
    Valdes, October 3, 1986
    1.  Added new IDENTIFY parameter "threshold".

noao$imred/echelle/echelle.cl
noao$imred/echelle/echelle.men
noao$imred/echelle/apdefine.par -
noao$imred/echelle/extract.par -
noao$imred/echelle/trace.par -
    Valdes, September 16, 1986
    1.  Package modified to use the new APEXTRACT package.
    2.  Deleted obsolete files

noao$imred/echelle/echelle.hd
noao$imred/echelle/echelle.men
noao$imred/echelle/doc/Tutorial.hlp +
    Valdes, August 18, 1986:
    1.  Added prototype tutorial document to the ECHELLE package.
     
====================================
Version 2.3 Release, August 18, 1986
====================================

echelle:  Valdes, July 3, 1986:
    1.  IDENTIFY parameter file updated to reflect new name for line list.

=====================================
STScI Pre-release and SUN 2.3 Release
=====================================

echelle:  Valdes, June 2, 1986:
    1.  New APEXTRACT tasks defined in package.

echelle:  Valdes, May 12, 1986:
    1.  SPLOT updated.  New parameters XMIN, XMAX, YMIN, YMAX.

echelle:  Valdes, April 7, 1986:
    1.  Package parameter file changed to delete latitude.
    2.  DISPCOR latitude parameter now obtained from OBSERVATORY.

echelle:  Valdes, March 27, 1986:
    1.  New task SETDISP added.
    2.  APEXTRACT tasks defined in ECHELLE package instead of loaded from
	TWODSPEC$APEXTRACT.

===========
Release 2.2
===========
From Valdes December 31, 1985:

1.  Tasks FLATFIT, FLATDIV, and EXTRACT have been removed from the ECHELLE
package.  The TWODSPEC package containing the task EXTRACT is loaded with
the ECHELLE package.
.endhelp
