!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! SDDL Name:    CCAN_NICMOS_REF
!
! Purpose:      This SDDL file defines the CCAN_NICMOS_REF relation.
!
! Modification History:
!
!   Date       OPR      Who                       Reason
! --------   -------    ---   -------------------------------------------------
! 07/02/96    28182     Rose    Original implementation
! 12/23/96    32865     MSwam   Add SAMP_SEQ field
! 05/06/97    34023     MSwam   Change length of FILTER (8 to 7)
! 05/29/97    34345     MSwam   Change length of SAMP_SEQ (7 to 8)
!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
!

LANGUAGE        SQL

RECORD  CCAN_NICMOS

!------------------------------------------------------------------------------
!
!   RECORD INFORMATION
!
!------------------------------------------------------------------------------

DESCRIPTION    "This relation specifies the parameters by which the various
		NICMOS reference files should be selected by the OPUS pipeline.

		Each reference file keyword in the primary header of the
		NICMOS science file must have a value. While it would make
		more sense to have a separate relation for each reference
		file type, the CDBS design did not allow this.  Thus all
		selection criteria for all file types are contained in this
		relation.

		File type	Selection Criteria	File_extension
		---------	------------------	--------------
		MASKFILE	Camera			_msk
		NOISFILE	Camera,	Readout		_noi
		NLINFILE	Camera			_lin
		DARKFILE	Camera, Readout, NREAD,	_drk
				SAMP_SEQ
		FLATFILE	Camera, Filter		_flt
		PHOTTAB					_pht
		BACKTAB					_bck
		ILLMFILE	Camera, Filter		_ilm

		Note that the particular file type is imbedded in the
		file naming convention: 9 characters of CDBS mystery
		followed by the file_extension above, followed by .FITS
"
!------------------------------------------------------------------------------
!
!   FIELD INFORMATION
!
!------------------------------------------------------------------------------

    FIELD  camera
        TYPE            I2
        DESCRIPTION     "Camera in use"
        RANGE           1:3
    END_FIELD

    FIELD  filter
        TYPE            C7
        DESCRIPTION     "Filter in use"
    END_FIELD

    FIELD  readout
        TYPE            C5
        DESCRIPTION     "FAST or SLOW mode"
        RANGE           FAST, SLOW
    END_FIELD

    FIELD  nread
        TYPE            I2
        DESCRIPTION     "Number of readouts"
    END_FIELD

    FIELD  samp_seq
        TYPE            C8
        DESCRIPTION     "Multiaccum exposure time sequence name"
    END_FIELD

    FIELD  data_file           
        TYPE            C20
        DESCRIPTION     "Reference file name."
    END_FIELD

    FIELD  load_time           
        TYPE            C20
        DESCRIPTION	"Date when this record was added"
    END_FIELD

    FIELD  use_after           
        TYPE            C17
        DESCRIPTION     "Observations executed after this 'use_after' date
                         use this tuple in the relation."
        RANGE           YYYY.DDD:HH:MM:SS
    END_FIELD

END_RECORD

!------------------------------------------------------------------------------
!
!   RELATION DECLARATION
!
!------------------------------------------------------------------------------


RELATION  ccan_nicmos_ref

    TYPE             CCAN_NICMOS

    DESCRIPTION      "NICMOS reference file selection criteria"

    SUBSYSTEM_USING  "OPUS"

    INDEX  ccan_nicmos_ref_1
        TYPE         nonclustered
        FIELDS       camera, use_after
    END_INDEX

END_RELATION

!------------------------------------------------------------------------------
!
!   INSTANCE DECLARATION
!
!------------------------------------------------------------------------------


INSTANCE  ccan_nicmos_ref

    GLOBAL

    TYPE        CCAN_NICMOS

END_INSTANCE