0 0 0 1                    # x, y, z, divisor    of origin   
1 0 0 1                     # x, y, z, divisor    of x-end
0 1 0 1                     # x, y, z, divisor    of y-end
3 3 3                       # number of shells
100 100        # number of points in x and y dir, (ratio close to lenght ratio
RHO                         #   RHO|DIFF|OVER; ADD|SUB or blank 
ANG VAL NODEBUG             #   ANG|ATU; VAL|TOT; DEBUG|NODEBUG
ORTHO                       # optional: ORHO|NONORTHO plotting directions 

