cts.geospatialElementReference( element as xs.QName, [options as String[]] ) as cts.reference
Creates a reference to a geospatial element range index, for use as a
parameter to
cts.valueTuples
.
This function will throw an exception if the
specified range index does not exist.
precision
option takes precedence over
that implied by the governing coordinate system name, including the
value of the coordinate-system
option. For example, if the
governing coordinate system is "wgs84/double" and the precision
option is "float", then the reference uses single precision. An exception is
thrown if no index with the specified precision exists.
cts.geospatialElementReference(xs.QName("point")); => cts.geospatialElementReference(fn.QName("","point"), ["type=point","coordinate-system=wgs84"])
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