Program Listing for File osi_occupant.proto

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syntax = "proto2";

option optimize_for = SPEED;

import "osi_common.proto";

package osi3;

//
// \brief An occupant of a host vehicle, especially the driver of the vehicle.
//
message Occupant
{
    // The ID of the driver.
    //
    optional Identifier id = 1;

    // Specific information about the classification of the occupant.
    //
    optional Classification classification = 2;

    //
    // \brief Information regarding the classification of the occupant.
    //
    message Classification
    {
        // Flag determining whether the person is the driver of the vehicle or a
        // passenger.
        //
        optional bool is_driver = 2;

        // Seat position of the vehicle occupant.
        //
        optional Seat seat = 3;

        // Describes the state of the passenger's hands related to the steering
        // wheel (mostly driver).
        //
        optional SteeringControl steering_control = 4;

        // Definition of seat positions.
        //
        enum Seat
        {
            // Seat position is unknown (must not be used in ground truth).
            //
            SEAT_UNKNOWN = 0;

            // Other (unspecified but known) seat.
            //
            SEAT_OTHER = 1;

            // Seat position is in the front row, left seat.
            // This is usually the driver's seat in right-hand traffic.
            //
            SEAT_FRONT_LEFT = 2;

            // Seat position is in the front row, right seat.
            // This is usually the driver's seat in left-hand traffic.
            //
            SEAT_FRONT_RIGHT = 3;

            // Seat position is in the front row, middle seat.
            //
            SEAT_FRONT_MIDDLE = 4;

            // Seat position is in the back row, left seat.
            //
            SEAT_BACK_LEFT = 5;

            // Seat position is in the back row, right seat.
            //
            SEAT_BACK_RIGHT = 6;

            // Seat position is in the back row, middle seat.
            //
            SEAT_BACK_MIDDLE = 7;

            // Seat position is in the third row, left seat.
            //
            SEAT_THIRD_ROW_LEFT = 8;

            // Seat position is in the third row, right seat.
            //
            SEAT_THIRD_ROW_RIGHT = 9;

            // Seat position is in the third row, middle seat.
            //
            SEAT_THIRD_ROW_MIDDLE = 10;
        }

        // Definition of hands related to the steering wheel (mostly driver).
        //
        enum SteeringControl
        {
            // Hands state is unknown (must not be used in ground truth).
            //
            STEERING_CONTROL_UNKNOWN = 0;

            // Other (unspecified but known) hand positioning related to the
            // steering wheel.
            //
            STEERING_CONTROL_OTHER = 1;

            // Hands are not on the steering wheel.
            //
            STEERING_CONTROL_NO_HAND = 2;

            // One hand is on the steering wheel. Whether it is the left or
            // right hand is unspecified or unknown.
            //
            // \note If there is no differentiation between one or both hands on
            // the steering wheel, this value should be used.
            //
            STEERING_CONTROL_ONE_HAND = 3;

            // Both hands are on the steering wheel.
            //
            STEERING_CONTROL_BOTH_HANDS = 4;

            // Only left hand is on the steering wheel.
            //
            STEERING_CONTROL_LEFT_HAND = 5;

            // Only right hand is on the steering wheel.
            //
            STEERING_CONTROL_RIGHT_HAND = 6;
        }
    }
}