No mattter what the initial position I set, the position x and y subscribing from topic "/g500/pose" and "/uwsim/girona_500/odom is still 0, and z is increasing.
No mattter what the initial position I set, the position x and y subscribing from topic "/g500/pose" and "/uwsim/girona_500/odom is still 0, and z is increasing. But actually, I can see that the vehicle is exactly at the position which I set.