Mean field. Point source.
B N s g O 
500 0
4
0.    1500 0 0 0 1 0 0
0.    1500 0 0 0 1 0 0
128.    1470  -2270.10  0.01  0.00  1.650  1.0000  0
138.00  2300   0000.00  0.50  0.00  2.650  0.0000  0	

100.
77. 127. 51

1200 1E8
-1 1 1 0
4096 480 520 0.0004 0 .5 2