//our changes:
public NavSatFixMsg(double lat, double lng, double alt)
{
_header = new std_msgs.HeaderMsg(0, new std_msgs.TimeMsg(0, 0), "hello");
_status = (NavSatStatus)(-2);
_service = (NavSatService)0;
_latitude = lat;
_longitude = lng;
_altitude = alt;
//JSONArray temp_covar_array = new JSONArray();
_position_covariance = new double[1];
_position_covariance_type = (PositionCovarianceType)(-1);
}
public NavSatFixMsg(JSONNode msg)
{
_header = new std_msgs.HeaderMsg(msg["header"]);
_status = (NavSatStatus)msg["status"]["status"].AsInt;
_service = (NavSatService)msg["status"]["service"].AsInt;
_latitude = msg["latitude"].AsFloat;
_longitude = msg["longitude"].AsFloat;
_altitude = msg["altitude"].AsFloat;
JSONArray temp_covar_array = msg["position_covariance"].AsArray;
_position_covariance = new double[temp_covar_array.Count];
for (int i = 0; i < _position_covariance.Length; i++)
{
_position_covariance[i] = temp_covar_array[i].AsDouble;
}
_position_covariance_type = (PositionCovarianceType)msg["position_covariance_type"].AsInt;
}