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SAE J2735-Draft-Rev26 [issued: 09-18-08]
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146 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
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In addition, this item may be used by data structures in other ITS standards.
Remarks: If a globally unique lane number is needed, this can be obtained by combining the complete
intersection ID with the lane number.
7.81 Data Element: DE_LaneWidth
Use: The LaneWidth data concept coveys the width of a lane in LSB units of 10 cm. Maximum value
would be a lane of 12.7meters.
ASN.1 Representation:
LaneWidth ::= INTEGER (0..127) -- units of 10 cm
XML Representation:
<xs:simpleType name="LaneWidth" >
<xs:annotation>
<xs:documentation>
units of 10 cm
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:unsignedByte">
<xs:maxInclusive value="127"/>
</xs:restriction>
</xs:simpleType>
Used By: This entry is directly used by the following 8 other data structures in this standard (record type,
descriptive name, ASN.1, and XML name (if present) of each):
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In addition, this item may be used by data structures in other ITS standards.
Remarks: Note that one half the lane width is use to find the "edge" of the lane, as measured from its
center, described by the offsets found in its node list.
7.82 Data Element: DE_Latitude
Use: The geographic latitude of a node, expressed in 1/8th integer microdegrees, as a 32 bit value and with
reference to the horizontal datum specified by horizontalDatum.
ASN.1 Representation:
Latitude ::= INTEGER (-720000000..720000000)
-- in LSB = 1/8 micro degree
-- Providing a range of plus-minus 90 degrees
XML Representation:
<xs:simpleType name="Latitude" >
<xs:annotation>
<xs:documentation>
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