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SAE J2735-Draft-Rev15 [issued: 01-30-07]
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130 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
Remarks: Errors in LRMS ASN.1 were corrected.
8.17 Data Frame: DF_Height:frame [LRMS]
Use: A vertical height expressed as either an altitude with respect to a vertical datum, or a vertical level from -128
to +127, where level 0 is the ground surface, or ground level of a structure. For highway intersections or other
transportation features, the zero level is the ground surface level, whether or not traffic occurs on the ground
surface through the intersection or brunnel. For example, for bridges, the lowest level of the bridge would be level
+1 and, for tunnels, the highest level would be level -1. For parking structures or buildings, the zero level is that
level called "ground" or "main" or "lobby" or "first" floor, or otherwise most closely associated with the surrounding
ground surface. Note that for a building, the VerticalLevel may not correspond to the official number of or label on a
floor, but refers to the relative level with respect to the zero level. This concept is useable in countries with differing
numbering conventions for building floors.
ASN.1 Representation:
Height ::= CHOICE {
altdatum SEQUENCE {
altitude Distance,
verticalDatum VerticalDatum OPTIONAL
}, -- # UNTAGGED
-- removed: verticalLevel VerticalLevel
elevation DSRC.Elevation
XML Representation:
<xs:complexType name="Height" >
<xs:choice>
<xs:element name="altdatum" >
<xs:complexType>
<xs:sequence>
<xs:element name="altitude" type="Distance" />
<xs:element name="verticalDatum" type="VerticalDatum" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<!-- removed: verticalLevel VerticalLevel -->
<xs:element name="elevation" type="dsrc:Elevation" />
</xs:choice>
</xs:complexType>
In addition, this item may be used by data structures in other ITS standards.
Remarks: Note that in the DSRC system of use, the entry for "verticalLevel VerticalLevel" has been replaced by
the local form of Elevation.
8.18 Data Frame: DF_ITIS-Codes_And_Text [ITIS]
Use: The use of ITIS codes interspersed with free text. The complete set of ITIS codes can be found in Volume
Two of the J2540 Standard. This is a set of nealry 1,500 items which are used to encode common events and list
items in ITS.
ASN.1 Representation:
ITIScodesAndText ::= SEQUENCE (SIZE(1..100)) OF SEQUENCE {
item CHOICE {
itis ITIScodes,
text ITIStext
} -- # UNTAGGED
}
XML Representation:
<xs:complexType name="ITIScodesAndText" >
<xs:sequence minOccurs="1" maxOccurs="100">
<xs:choice >