Determine whether a specified type of NDF access is available
’
BOUNDS’
, ’
DELETE’
, ’
SHIFT’
, ’
TYPE’
or
’
WRITE’
(see the Notes section for details). ’
BOUNDS’
permits the pixel-index bounds of a base NDF to be altered.
’
DELETE’
permits deletion of the NDF.
’
SHIFT’
permits pixel-index shifts to be applied to a base NDF.
’
TYPE’
permits the data types of an NDF’
s components to be altered.
’
WRITE’
permits new values to be written to the NDF, and the state of any of its components to be
reset.