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SAE J2735-Draft-Rev29 [issued: 12-11-08]
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34 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
-- a category and an item from that category
-- all ITS stds use the same types here
-- to explain the type of the
-- alert / danger / hazard involved
-- two bytes in length
description SEQUENCE (SIZE(1..8)) OF ITIS.ITIScodes OPTIONAL,
-- up to eight ITIS code entries to further
-- describe the event, give advice, or any
-- other ITIS codes
-- up to 16 bytes in length
priority Priority OPTIONAL,
-- the urgency of this message, a relative
-- degree of merit compared with other
-- similar messages for this type (not other
-- message being sent by the device), nor a
-- priority of display urgency
-- one byte in length
heading HeadingSlice OPTIONAL,
-- Applicable headings/direction
extent Extent OPTIONAL,
-- the spatial distance over which this
-- message applies and should be presented
-- to the driver
-- one byte in length
positon FullPositionVector OPTIONAL,
-- a compact summary of the position,
-- heading, rate of speed, etc of the
-- event in question. Including stationary
-- and wide area events.
furtherInfoID FurtherInfoID OPTIONAL,
-- a link to any other incident
-- information data that may be available
-- in the normal ATIS incident description
-- or other messages
-- 1~2 bytes in length
crc MsgCRC
}
XML Representation:
<xs:element name="roadSideAlert" type="RoadSideAlert"/>
<xs:complexType name="RoadSideAlert" >
<xs:sequence>
<xs:element name="msgID" type="DSRCmsgID" />
<!-- the message type. -->
<xs:element name="msgCnt" type="MsgCount" />
<xs:element name="typeEvent" >
<xs:simpleType>
<xs:restriction base ="itis:ITIScodes"/>
</xs:simpleType>
</xs:element>
<!-- a category and an item from that category
all ITS stds use the same types here
to explain the type of the
alert / danger / hazard involved
two bytes in length -->
<xs:element name="description" minOccurs="0">
<xs:complexType>
<xs:sequence minOccurs="1" maxOccurs="8">
<xs:element name="description-item" >
<xs:simpleType>
<xs:restriction base ="itis:ITIScodes"/>
</xs:simpleType>
</xs:element>
<!-- up to eight ITIS code entries to further describe the event, give
advice, or any other ITIS codes up to 16 bytes in length -->
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="priority" type="Priority" minOccurs="0"/>