Top

[Top] command sets the camera of the active view as follows after the CPlane of the view is reset to the defalut postion defined by the objects positioning.

Camera Position

Away to the positive direction along Z axis from the CPlane origin of the active view.

View Point

The Origin of the CPlane of the active view

Also, the camera is so positioned that the CPlane Y axis is from bottom to top of the screen.