Displays the attributes of an NDF data structure
its name;
the values of its character components (title, label, and units);
its shape (pixel bounds, dimension sizes, number of dimensions and total number of pixels);
axis co-ordinate information (axis labels, units and extents);
optionally, axis array attributes (type and storage form) and the values of the axis normalisation flags;
attributes of the main data array and any other array components present (including the type and storage form and an indication of whether ‘bad’ pixels may be present);
attributes of the current co-ordinate Frame in the WCS component (title, domain, and, optionally, axis labels and axis units, plus the system epoch and projection for sky co-ordinate Frames). In addition the bounding box of the NDF within the Frame is displayed.
optionally, attributes of all other co-ordinate Frames in the WCS component.
a list of any NDF extensions present, together with their data types; and
history information (creation and last-updated dates, the update mode and the number of history records).
Most of this information is output to parameters.
FULLAXIS = _LOGICAL (Read)
TRUE
value is given for this parameter, full details of the
attributes of all the axis arrays will also be given. [FALSE]
FALSE
value is given for this parameter then only the Title and Domain
attributes are displayed for a co-ordinate Frame. Otherwise, a more complete
description is given. [FALSE]
TRUE
value is given
for this parameter then all co-ordinate Frames in the WCS component of the NDF are
displayed. Otherwise, only the current co-ordinate Frame is displayed. [FALSE]
FALSE
. TRUE
and AXIS is TRUE
. FALSE
. TRUE
when the axis centres are monotonic, and FALSE
otherwise. This
is not assigned if AXIS is FALSE
. TRUE
and AXIS is
TRUE
. FALSE
. TRUE
and AXIS is
TRUE
. FALSE
. TRUE
and AXIS is TRUE
. TRUE
, the NDF’s data
array may contain bad values. TRUE
. "SIMPLE"
, "PRIMITIVE"
, or
"SCALED"
. FALSE
. TRUE
and
AXIS is TRUE
. If the WCS component of the NDF is undefined, then an attempt is made to find WCS information from two other sources: first, an IRAS90 astrometry structure, and secondly, the FITS extension. If either of these sources yield usable WCS information, then it is displayed in the same way as the NDF WCS component. Other Kappa applications will use this WCS information as if it were stored in the WCS component.
The reporting of NDF attributes is suppressed when the message filter environment
variable MSG_FILTER is set to QUIET
. It benefits procedures and scripts where only the
output parameters are needed. The creation of output parameters is unaffected by
MSG_FILTER.