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SAE J2735-Draft-Rev28 [issued: 11-10-08]
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This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
</xs:simpleType>
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:enumeration value="north"/>
<xs:enumeration value="south"/>
<xs:enumeration value="east"/>
<xs:enumeration value="west"/>
<xs:enumeration value="northeast"/>
<xs:enumeration value="northwest"/>
<xs:enumeration value="southeast"/>
<xs:enumeration value="southwest"/>
</xs:restriction>
</xs:simpleType >
</xs:union>
</xs:simpleType>
8.2 Data Element: DE_Extent [ATIS]
Use: The spatial distance over which this message applies and should be presented to the driver. Under
certain conditions some messages may never be shown to the driver of a vehicle if they are short in
duration and other conflicting needs supercede the display until such time as the subject message is no
longer relevant.
ASN.1 Representation:
Extent ::= ENUMERATED {
useInstantlyOnly (0),
useFor3meters (1),
useFor10meters (2),
useFor50meters (3),
useFor100meters (4),
useFor500meters (5),
useFor1000meters (6),
useFor5000meters (7),
forever (255) -- very wide area
}
-- encode as a single byte
XML Representation:
<xs:simpleType name="Extent" >
<xs:annotation>
<xs:appinfo>
useInstantlyOnly (0)
useFor3meters (1)
useFor10meters (2)
useFor50meters (3)
useFor100meters (4)
useFor500meters (5)
useFor1000meters (6)
useFor5000meters (7)
forever (255) -- very wide area
</xs:appinfo>
<xs:documentation>
encode as a single byte
</xs:documentation>
</xs:annotation>
<xs:union>
<xs:simpleType>
<xs:restriction base="xs:unsignedInt">
<xs:minInclusive value="0"/>
<xs:maxInclusive value="255"/>
</xs:restriction>
</xs:simpleType>
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:enumeration value="useInstantlyOnly"/>
<xs:enumeration value="useFor3meters"/>
<xs:enumeration value="useFor10meters"/>