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The aiarray argument for annopen
and wfdbinit
is a
pointer to an array of objects of type WFDB_Anninfo
. Each member
of the array contains information provided to annopen
and
wfdbinit
about an annotation file associated with the
record:
char *name
int stat
stat
is either WFDB_READ
or WFDB_WRITE
, to specify standard ("MIT format") annotation files
to be read by getann
or to be written by putann
. Both MIT
DB and AHA DB annotation files are kept on-line in MIT format. The
symbols WFDB_READ
and WFDB_WRITE
are defined in
`<wfdb/wfdb.h>'. An AHA-format annotation file can be read by
getann
or written by putann
if the stat
field is
set to WFDB_AHA_READ
or WFDB_AHA_WRITE
before calling
annopen
or wfdbinit
(see section Example 2: An Annotation Translator). Other formats
may be supported via a similar mechanism; consult `<wfdb/wfdb.h>'
for more information.
The number of WFDB_Anninfo
objects in aiarray is given by
the nann argument of annopen
and wfdbinit
. The
annotation-reading function, getann
, knows the annotators by
number only; annopen
and wfdbinit
assign input annotator
numbers beginning with 0 in the order in which they are given in the
array of WFDB_Anninfo
objects. Output annotator numbers used by
putann
also start at 0; note that input annotator 0 and output
annotator 0 are distinct. Annotator numbers are supplied to
getann
and putann
in their first arguments.
See section annopen,
for an example of how to set the contents of an array of WFDB_Anninfo
objects.
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