!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! SDDL Name:    ZCGG5SI.SDDL
!
! Purpose:      This SDDL file defines the CGG5_SIAP relation.
!
! Modification History:
!
!   Date       OPR      Who                       Reason
! --------   -------    ---   -------------------------------------------------
! 10/24/95    27329     AR    Original implementation
! 07/31/96    31905     MARose  Remove FORTRAN from the LANGUAGE statement
! 08/01/96    31905     MARose  Add index
!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
!

LANGUAGE        SQL

RECORD  ZCGG5SI_TYPE

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


    DESCRIPTION       "data values to be used in computing the  Coordinate  
		       System  Parameters contained in the group parameters
			of the FITS data files."


!------------------------------------------------------------------------------
!
!   FIELD INFORMATION
!
!------------------------------------------------------------------------------


    FIELD  si_aper_id
        TYPE            C*10
        DESCRIPTION     "si aperture identifier: si_name + si_aperture
                        the relation is indexed by the si identifier"
    END_FIELD


    FIELD  valid_date
        TYPE            C*17
        DESCRIPTION     "effective date (yyyy.DDD) before which the data
                        for this aperture must not be used"
    END_FIELD


    FIELD  parity
        TYPE            I*2
        DESCRIPTION     "+1/-1... parity value used in the transformation
                        from the sics to the v2v3 system"
    END_FIELD


    FIELD  v2_of_ref
        TYPE            R*8
        DESCRIPTION     "v2 coordinate of aperture reference point
                        in arc seconds"
    END_FIELD


    FIELD  v3_of_ref
        TYPE            R*8
        DESCRIPTION     "v3 coordinate of aperture reference point
                        in arc seconds"
    END_FIELD


    FIELD  pixel_incr
        TYPE            R*8
        DESCRIPTION     "pixel increment in arc seconds"
    END_FIELD


    FIELD  line_incr
        TYPE            R*8
        DESCRIPTION     "line increment in arc seconds"
    END_FIELD


    FIELD  ang_inc_pix
        TYPE            R*8
        DESCRIPTION     "angle, in degrees, from v3 to the line of
                        increasing pixels, positive counterclockwise
                        viewed along positive v1 axis."
    END_FIELD


    FIELD  ang_inc_line
        TYPE            R*8
        DESCRIPTION     "angle, in degrees, from v3 to the line of
                        increasing lines, positive counterclockwise
                        viewed along positive v1 axis."
    END_FIELD


    FIELD  ref_x
        TYPE            R*8
        DESCRIPTION     "x coordinate of the reference pixel"
    END_FIELD


    FIELD  ref_y
        TYPE            R*8
        DESCRIPTION     "y coordinate of the reference pixel"
    END_FIELD

END_RECORD


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


RELATION  cgg5_siap

    TYPE             ZCGG5SI_TYPE

    DESCRIPTION      "Data for each SI aperture"

    SUBSYSTEM_USING  "OPUS"
 
    INDEX  cgg5_siap_1      
        TYPE          unique clustered
        FIELDS        si_aper_id, valid_date
    END_INDEX

END_RELATION

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


INSTANCE  zcgg5si

    GLOBAL

    TYPE        ZCGG5SI_TYPE

END_INSTANCE