MORAI SIM Standard User Manual (EN v4.7) Conventions Coordinate Systems Current: Vehicle Coordinate System Vehicle Coordinate System The origin of the Vehicle Coordinate System is defined as the midpoint of the axis of the rear axle (see figures below).List of vehicle-related coordinate systemsGlobal coordinate frame (vehicle position relative to the map)pose_x, pose_y, pose_z Vehicle coordinate frame (sensor position relative to the vehicle origin)x, y, z ×