Line source. Granit 1 m rms. l=7.07.
P N O 
100 0
2
0 1500 0 0 0 1 0
0 5000 2000 0.0 0.0 3.0  -1. 7.07 
-100
-100 2 50

1200 -1200
500 50 451 50 1024 100 925 0
512 0 250 0.001 0 1 1