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SAE J2735-Draft-Rev18 [issued: 06-26-07]
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96 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
DF
<XML>, and
DF
<XML>, and
DF
<XML>, and
DF
<XML>, and
MSG
<XML>, and
DF
In addition, this item may be used by data structures in other ITS standards.
7.47 Data Element: DE_LayerID
Use: The LayerID is a data concept used uniquely identity the layer of a geographic map fragment such as
an intersection. Note that the layer type is used simply as a means to express a layer within a transmitted
message, it has no value as a unique or permanent naming system for the map object (such as an
intersection or any of its component parts).
ASN.1 Representation:
LayerID ::= INTEGER (0..255)
XML Representation:
<xs:simpleType name="LayerID" >
<xs:restriction base="xs:unsignedByte"/>
</xs:simpleType>
Used by: This entry is used directly by one other data structure in this standard, a MSG called
MSG_MapFragment <ASN> <XML>. In addition, this item may be used by data structures in other
ITS standards.
7.48 Data Element: DE_LayerType
Use: The LayerType is a data concept used uniquely identity the type of information to be found in a layer
of a geographic map fragment such as an intersection.
ASN.1 Representation:
LayerType ::= ENUMERATED {
none (0),
intersectionData (1),
itemThree (2),
itemFour (3),
... -- # LOCAL_CONTENT
}
-- values to 127 reserved for std use
-- values 128 to 255 reserved for local use
XML Representation:
<xs:simpleType name="LayerType" >
<xs:annotation>
<xs:appinfo>
none (0)
intersectionData (1)
itemThree (2)
itemFour (3)
</xs:appinfo>
<xs:documentation>
values to 127 reserved for std use
values 128 to 255 reserved for local use
</xs:documentation>
</xs:annotation>
<xs:union>