LanePosition
This is a ROS message definition.
Source
# ==============================================================================
# MIT License
#
# Copyright (c) 2023-2024 Institute for Automotive Engineering (ika), RWTH Aachen University
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# ==============================================================================
# --- Auto-generated by https://github.com/ika-rwth-aachen/etsi_its_messages ---
# python3
# utils/codegen/codegen-py/asn1ToRosMsg.py
# asn1/raw/cam_ts103900/CAM-PDU-Descriptions.asn
# asn1/patched/cam_ts103900/cdd/ETSI-ITS-CDD.asn
# -t
# cam_ts
# -o
# etsi_its_msgs/etsi_its_cam_ts_msgs/msg
# ------------------------------------------------------------------------------
# --- ASN.1 Definition ---------------------------------------------------------
# /**
# * This DE indicates a transversal position on the carriageway at a specific longitudinal position, in resolution of lanes of the carriageway.
# *
# * For right-hand traffic roads, the value shall be set to:
# * - `-1` if the position is off, i.e. besides the road,
# * - `0` if the position is on the inner hard shoulder, i.e. the hard should adjacent to the leftmost lane,
# * - `n` (`n > 0` and `n < 14`), if the position is on the n-th driving lane counted from the leftmost lane to the rightmost lane of a specific traffic direction,
# * - `14` if the position is on the outer hard shoulder, i.e. the hard should adjacent to rightmost lane (if present).
# *
# * For left-hand traffic roads, the value shall be set to:
# * - `-1` if the position is off, i.e. besides the road,
# * - `0` if the position is on the inner hard shoulder, i.e. the hard should adjacent to the rightmost lane,
# * - `n` (`n > 0` and `n < 14`), if the position is on the n-th driving lane counted from the rightmost lane to the leftmost lane of a specific traffic direction,
# * - `14` if the position is on the outer hard shoulder, i.e. the hard should adjacent to leftmost lane (if present).
# *
# * @note: in practice this means that the position is counted from "inside" to "outside" no matter which traffic practice is used.
# *
# * If the carriageway allows only traffic in one direction (e.g. in case of dual or multiple carriageway roads), the position is counted from the physical border of the carriageway.
# * If the carriageway allows traffic in both directions and there is no physical delimitation between traffic directions (e.g. on a single carrriageway road),
# * the position is counted from the legal (i.e. optical) separation between traffic directions (horizontal marking).
# *
# * If not indicated otherwise (by lane markings or traffic signs), the legal separation on carriageways allowing traffic on both directions is identified as follows:
# * - If the total number of lanes N is even, the lanes are divided evenly between the traffic directions starting from the outside of the carriageway on both sides and the
# * imaginary separation between traffic directions is on the border between the even number of lanes N/2.
# * - If the total number of lanes N is odd, the lanes are divided evenly between traffic direction starting from the outside of the carriageway on both sides.
# * The remaining middle lane is assigned to both traffic directions as innermost lane.
# *
# * @category: Road topology information
# * @revision: Description of the legal separation of carriageways added in V2.2.1
# */
# LanePosition ::= INTEGER {
# offTheRoad (-1),
# innerHardShoulder (0),
# outerHardShoulder (14)
# } (-1..14)
# ------------------------------------------------------------------------------
int8 value
int8 MIN = -1
int8 MAX = 14
int8 OFF_THE_ROAD = -1
int8 INNER_HARD_SHOULDER = 0
int8 OUTER_HARD_SHOULDER = 14