GPS Command Example 18:

/gps/particle geantino
/gps/pos/type Plane
/gps/pos/shape Square
/gps/pos/centre 1. 2. 1. cm
/gps/pos/halfx 2. cm
/gps/pos/halfy 2. cm
/gps/ang/type cos
/gps/ene/type User
/gps/hist/type energy
/gps/hist/point 1.0 0.
/gps/hist/point 2.0 5.
/gps/hist/point 7.0 1.
/gps/hist/point 10. 1.

Resulted Distribution Plots: