SUBROUTINE BDI2_SPMAPLQ( NARG, ARGS, OARG, STATUS )
*+
* Name:
* BDI2_SPMAPLQ
* Purpose:
* Service FileItemMap requests for the LogicalQuality field of FITSfile
* Language:
* Starlink Fortran
* Invocation:
* CALL BDI2_SPMAPLQ( NARG, ARGS, OARG, STATUS )
* Description:
* Provides mapping for the 'Error' class member of BinDS derived
* objects in HDS files. This member is derived from the VARIANCE
* file object.
* Arguments:
* NARG = INTEGER (given)
* Number of method arguments
* ARGS(*) = INTEGER (given)
* ADI identifier of method arguments
* OARG = INTEGER (returned)
* Output data
* STATUS = INTEGER (given and returned)
* The global status.
* Examples:
* {routine_example_text}
* {routine_example_description}
* Pitfalls:
* {pitfall_description}...
* Notes:
* {routine_notes}...
* Prior Requirements:
* {routine_prior_requirements}...
* Side Effects:
* {routine_side_effects}...
* Algorithm:
* {algorithm_description}...
* Accuracy:
* {routine_accuracy}
* Timing:
* {routine_timing}
* External Routines Used:
* {name_of_facility_or_package}:
* {routine_used}...
* Implementation Deficiencies:
* {routine_deficiencies}...
* References:
* BDI Subroutine Guide : http://www.sr.bham.ac.uk/asterix-docs/Programmer/Guides/bdi.html
* Keywords:
* package:bdi, usage:private
* Copyright:
* Copyright (C) University of Birmingham, 1995
* Authors:
* DJA: David J. Allan (Jet-X, University of Birmingham)
* {enter_new_authors_here}
* History:
* 9 Aug 1995 (DJA):
* Original version.
* {enter_changes_here}
* Bugs:
* {note_any_bugs_here}
*-
* Type Definitions:
IMPLICIT NONE ! No implicit typing
* Global Constants:
INCLUDE 'SAE_PAR' ! Standard SAE constants
INCLUDE 'ADI_PAR'
* Arguments Given:
INTEGER NARG ! # arguments
INTEGER ARGS(*) ! Method arguments
* Arguments Returned:
INTEGER OARG ! Returned data
* Status:
INTEGER STATUS ! Global status
* Local Variables:
CHARACTER*6 MODE
INTEGER BCOL ! Binary table column
INTEGER NELM ! Number of data items
INTEGER PSID ! Items private store
INTEGER PTR ! Mapped data address
INTEGER QPTR ! Mapped quality array
INTEGER SPHDU ! SPECTRUM hdu
*.
* Check inherited global status.
IF ( STATUS .NE. SAI__OK ) RETURN
* Default return value
OARG = ADI__NULLID
* Extract the arguments
CALL ADI_GET0C( ARGS(5), MODE, STATUS )
* Ensure objects satisfy mapping requirement
IF ( MODE .EQ. 'READ' ) THEN
* Locate the SPECTRUM hdu
CALL ADI2_FNDHDU( ARGS(2), 'SPECTRUM', SPHDU, STATUS )
* Find quality column
CALL ADI2_FNDBTC( SPHDU, 'QUALITY', BCOL, STATUS )
* Get number of data elements
CALL BDI_GETNEL( ARGS(1), NELM, STATUS )
* Locate the BDI private storage for the item, creating if required
CALL BDI0_LOCPST( ARGS(1), 'LogicalQuality', .TRUE., PSID,
: STATUS )
* Found?
IF ( BCOL .GT. 0 ) THEN
* Map the column
CALL ADI2_MAPCOL( SPHDU, BCOL, 1, NELM, 'INTEGER', 'READ',
: PSID, QPTR, STATUS )
* Create dynamic array
CALL DYN_MAPL( 1, NELM, PTR, STATUS )
* Convert quality to logical value
CALL BDI2_SPMAPLQ_COP( NELM, %VAL(QPTR), %VAL(PTR), STATUS )
* Release the column
CALL ADI2_UNMAP( ARGS(2), PSID, 0, STATUS )
ELSE
* Create dynamic array
CALL DYN_MAPL( 1, NELM, PTR, STATUS )
* Fill it with 'good' value
CALL ARR_INIT1L( .TRUE., NELM, %VAL(PTR), STATUS )
END IF
* If mapping went ok, store the pointer
CALL ADI2_STOMAP( PSID, SPHDU, 'X', PTR, 'LOGICAL',
: MODE, STATUS )
* Release private storage
CALL ADI_ERASE( PSID, STATUS )
* Release the SPECTRUM hdu
CALL ADI_ERASE( SPHDU, STATUS )
* If mapping went ok, store the pointer in the return argument
CALL ADI_NEWV0I( PTR, OARG, STATUS )
ELSE
STATUS = SAI__ERROR
CALL MSG_SETC( 'M', MODE )
CALL ERR_REP( 'BDI2_SPMAPLQ_1', 'Mapping LogicalQuality for '/
: /'update/write access is forbidden', STATUS )
END IF
* Report any errors
IF ( STATUS .NE. SAI__OK ) THEN
CALL AST_REXIT( 'BDI2_SPMAPLQ', STATUS )
END IF
END
SUBROUTINE BDI2_SPMAPLQ_COP( N, QVAL, LVAL, STATUS )
*+
* Name:
* BDI2_SPMAPLQ_COP
* Purpose:
* Convert OGIP spectral quality values to logical good or bad
* Language:
* Starlink Fortran
* Invocation:
* CALL BDI2_SPMAPLQ_COP( N, QVAL, LVAL, STATUS )
* Description:
* Provides mapping for the 'Error' class member of BinDS derived
* objects in HDS files. This member is derived from the VARIANCE
* file object.
* Arguments:
* N = INTEGER (given)
* Number of values to copy
* QVAL[] = INTEGER (given)
* OGIP spectral quality values
* LVAL[] = LOGICAL (returned)
* Logical values, true if BVAL is zero, false otherwise
* STATUS = INTEGER (given and returned)
* The global status.
* Examples:
* {routine_example_text}
* {routine_example_description}
* Pitfalls:
* {pitfall_description}...
* Notes:
* {routine_notes}...
* Prior Requirements:
* {routine_prior_requirements}...
* Side Effects:
* {routine_side_effects}...
* Algorithm:
* {algorithm_description}...
* Accuracy:
* {routine_accuracy}
* Timing:
* {routine_timing}
* External Routines Used:
* {name_of_facility_or_package}:
* {routine_used}...
* Implementation Deficiencies:
* {routine_deficiencies}...
* References:
* BDI Subroutine Guide : http://www.sr.bham.ac.uk/asterix-docs/Programmer/Guides/bdi.html
* Keywords:
* package:bdi, usage:private
* Copyright:
* Copyright (C) University of Birmingham, 1995
* Authors:
* DJA: David J. Allan (Jet-X, University of Birmingham)
* {enter_new_authors_here}
* History:
* 9 Aug 1995 (DJA):
* Original version.
* {enter_changes_here}
* Bugs:
* {note_any_bugs_here}
*-
* Type Definitions:
IMPLICIT NONE ! No implicit typing
* Global Constants:
INCLUDE 'SAE_PAR' ! Standard SAE constants
* Arguments Given:
INTEGER N
INTEGER QVAL(*)
* Arguments Returned:
LOGICAL LVAL(*)
* Status:
INTEGER STATUS ! Global status
* Local Variables:
INTEGER I ! Loop over values
*.
* Check inherited global status.
IF ( STATUS .NE. SAI__OK ) RETURN
* Set the logical quality
DO I = 1, N
LVAL(I) = (QVAL(I).EQ.0)
END DO
END