Adobe Acrobat SDK
Interactive Features (Chapter 8 in PDF Reference)
Adobe® Supplement to the ISO 32000
8.8.1 Geospatial Features 54
The names
LAT
,
LON
, and
ALT
are predefined, and are used to associate altitude information with latitude
and longitude positions.
Names
array
(
Required; ExtensionLevel 3
) An array of names that identify the
internal data elements of the individual point arrays in the
XPTS
array.
There are three predefined names:
LAT
, latitude in degrees. The
XPTS
value is a number type.
LON
, longitude in degrees. The
XPTS
value is a number type.
ALT
, altitude in meters. The
XPTS
value is a number type.
Note:
These names are, in effect, column headers for the array of
XPTS
values.
XPTS
array
(
Required; ExtensionLevel 3
) An array of arrays of values. The number
of members in each interior array corresponds to the size of the
Names
array; each member in the interior arrays is of a type defined
by the corresponding name in the
Names
array.
The
XPTS
array is a collection of tuples without any guaranteed
ordering or relationship from point to point.
TABLE 8.111d Entries in a point data dictionary
KEY
TYPE
VALUE