+ FGViewer( fgViewType Type, bool from_model, int from_model_index,
+ bool at_model, int at_model_index,
+ double damp_roll, double damp_pitch, double damp_heading,
+ double x_offset_m, double y_offset_m, double z_offset_m,
+ double heading_offset_deg, double pitch_offset_deg,
+ double roll_offset_deg, double fov_deg,
+ double target_x_offset_m, double target_y_offset_m,
+ double target_z_offset_m, double near_m, bool internal );