I am modeling a new type of roller coaster in CATIA. In order to test this new coaster concept I need to run the simulation from the viewpoint of the manikin riding in the car. Whether you are modeling a roller coaster or a sports car, here is how it is done:
First, make sure this option under Tools > Options>Ergonomics is set:
For the line of sight, create a camera in View - Named View and then position it close to your manikin head.
You can open a camera view window while in DMU Nav by using the Window Menu, you can open the Camera window: