GPS Command Example 27:

/gps/particle e-
/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 user
/gps/hist/type theta
/gps/hist/point 0. 0.
/gps/hist/point 0.25 1.
/gps/hist/point 1. 0.
/gps/ene/type Arb
/gps/hist/type arb
/gps/ene/emspec 0
/gps/hist/point 0. 0.
/gps/hist/point 0.1 1.
/gps/hist/point 0.2 2.
/gps/hist/point 0.3 3.
/gps/hist/point 0.4 2.
/gps/hist/point 0.5 1.
/gps/hist/point 0.6 1.
/gps/hist/point 0.7 2.
/gps/hist/point 0.8 3.
/gps/hist/point 0.9 4.
/gps/hist/point 1.0 5.
/gps/hist/inter Lin

Resulted Distribution Plots: