syntax = "proto2";

package indoors.proto;

enum PositionType {
    KNN = 0;
    GROUND_TRUTH = 1;
    FINAL = 2;
    KALMAN = 3;
    SLAM = 4;
    FLIP = 5;
    AKF = 6;
    SLAM_GRID = 7;
    SLAM_MAP = 9;
    SLAM_GRAPH = 10;
    GPS = 11;
    RADIO_BLE = 12;
    RADIO_WIFI = 13;
    RADIO_WIFI_BLE = 14;
    PROXIMITY = 15;
    APPLE = 16;
    SELECTED = 17;

    UNKNOWN = 255;
}

message GlobalPosition {
    required double t = 1;
    required double latitude = 2;
    required double longitude = 3;
    optional double accuracy = 4;
    optional double altitude = 5;
    optional double altitude_accuracy = 6;
    optional double speed = 7;
    optional double speed_accuracy = 8;
    optional double heading = 9;
    optional double device_timestamp = 10;
}

message Position {
    optional double t = 1 [deprecated=true];
    optional double x = 2;
    optional double y = 3;
    optional int64 floor = 4;
    optional double sx2 = 5;
    optional double sy2 = 6;
    optional double sxy = 7;
    required PositionType type = 8;
    optional double accuracy = 9;
    optional double delay = 10;
    optional double t_created = 11;
    optional double t_est = 12;
    optional PositionType ancestor = 13;
}