Why I can't see the object in the geometry view resulted from the following code?
#domain: 0.440 0.410 0.002
#dx_dy_dz: 0.002 0.002 0.002
#time_window: 3e-9
#material: 6 0 1 0 half_space
#waveform: ricker 1 1.5e9 my_ricker
#hertzian_dipole: z 0.100 0.370 0 my_ricker
#rx: 0.140 0.370 0
#box: 0 0 0 0.340 0.270 0.002 half_space
#cylinder: 0.120 0.268 0 0.120 0.268 0.002 0.100 pec
#geometry_view: 0 0 0 0.440 0.410 0.002 0.002 0.002 0.002 cylinder_half_space n