Input file > r0   :   0.0000  0.0000  0.0000
tau1 :   1.0000  1.0000  0.0000
tau2 :   0.0000  0.0000  1.0000
read   2 atomic positions
output file > Read  56 * 40  grid
Logarithmic scale (y/n)? > Bounds:     0.001411    0.087440
min, max, # of levels >