def test_get_array_output(self):
sim = self.init_simple_simulation()
sim.symmetries = []
sim.geometry = [mp.Cylinder(0.2, material=mp.Medium(index=3))]
sim.filename_prefix = 'test_get_array_output'
sim.run(until=20)
mp.output_epsilon(sim)
mp.output_efield_z(sim)
mp.output_tot_pwr(sim)
mp.output_efield(sim)
eps_arr = sim.get_epsilon()
efield_z_arr = sim.get_efield_z()
energy_arr = sim.get_tot_pwr()
efield_arr = sim.get_efield()
fname_fmt = "test_get_array_output-{}-000020.00.h5"
with h5py.File(fname_fmt.format('eps'), 'r') as f:
eps = f['eps'][()]
with h5py.File(fname_fmt.format('ez'), 'r') as f:
efield_z = f['ez'][()]
with h5py.File(fname_fmt.format('energy'), 'r') as f:
energy = f['energy'][()]
with h5py.File(fname_fmt.format('e'), 'r') as f:
ex = f['ex'][()]
ey = f['ey'][()]
ez = f['ez'][()]
efield = np.stack([ex, ey, ez], axis=-1)
np.testing.assert_allclose(eps, eps_arr)
np.testing.assert_allclose(efield_z, efield_z_arr)
np.testing.assert_allclose(energy, energy_arr)
np.testing.assert_allclose(efield, efield_arr)
def test_get_array_output(self):
sim = self.init_simple_simulation()
sim.symmetries = []
sim.geometry = [mp.Cylinder(0.2, material=mp.Medium(index=3))]
sim.filename_prefix = 'test_get_array_output'
sim.run(until=20)
mp.output_epsilon(sim)
mp.output_efield_z(sim)
mp.output_tot_pwr(sim)
mp.output_efield(sim)
eps_arr = sim.get_epsilon()
efield_z_arr = sim.get_efield_z()
energy_arr = sim.get_tot_pwr()
efield_arr = sim.get_efield()
fname_fmt = "test_get_array_output-{}-000020.00.h5"
with h5py.File(fname_fmt.format('eps'), 'r') as f:
eps = f['eps'].value
with h5py.File(fname_fmt.format('ez'), 'r') as f:
efield_z = f['ez'].value
with h5py.File(fname_fmt.format('energy'), 'r') as f:
energy = f['energy'].value
with h5py.File(fname_fmt.format('e'), 'r') as f:
ex = f['ex'].value
ey = f['ey'].value
ez = f['ez'].value
efield = np.stack([ex, ey, ez], axis=-1)
np.testing.assert_allclose(eps, eps_arr)
np.testing.assert_allclose(efield_z, efield_z_arr)
np.testing.assert_allclose(energy, energy_arr)
np.testing.assert_allclose(efield, efield_arr)
def standard(metalens):
metalens['run_date'] = int(time())
matter = mp.Medium(epsilon=metalens['epsilon'])
pillar_locs = list(
product(
[-metalens['pillar_separation'], metalens['pillar_separation']],
[-metalens['pillar_separation'], metalens['pillar_separation']]))
pillar_locs.append((0, 0))
pillars = [
mp.Cylinder(radius=metalens['pillar_radius'],
height=metalens['pillar_height'],
center=mp.Vector3(x, y, 0),
material=matter) for x, y in pillar_locs
]
substrate = [
mp.Block(size=mp.Vector3(metalens['sim_cell_width'],
metalens['sim_cell_width'],
metalens['sim_cell_width'] / 2),
center=mp.Vector3(0, 0, -metalens['sim_cell_width'] / 4),
material=matter)
]
geometry = substrate + pillars
cell = mp.Vector3(metalens['sim_cell_width'], metalens['sim_cell_width'],
metalens['sim_cell_width'])
pml = [mp.PML(metalens['PML_width'])]
source = [
mp.Source(src=mp.ContinuousSource(wavelength=metalens['wavelength']),
component=mp.Ex,
center=mp.Vector3(0, 0, -metalens['sim_cell_width'] / 4),
size=mp.Vector3(0, 0, 0))
]
symmetries = []
for symmetry in metalens['symmetries']:
if symmetry == 'x':
symmetries.append(mp.Mirror(mp.X))
if symmetry == 'y':
symmetries.append(mp.Mirror(mp.Y))
sim = mp.Simulation(cell_size=cell,
boundary_layers=pml,
geometry=geometry,
force_complex_fields=metalens['complex_fields'],
symmetries=symmetries,
sources=source,
resolution=metalens['resolution'])
start_time = time()
mp.quiet(metalens['quiet'])
# mp.verbosity(3)
sim.init_sim()
metalens['time_for_init'] = (time() - start_time)
start_time = time()
#sim.run(mp.at_end(mp.output_efield(sim)),until=metalens['sim_time'])
sim.run(until=metalens['sim_time'])
metalens['time_for_running'] = time() - start_time
start_time = time()
sim.filename_prefix = 'standard_candle-%d' % metalens['run_date']
print(sim.filename_prefix)
mp.output_efield(sim)
mp.output_hfield(sim)
# print("collecting fields...")
# h5_fname = 'candle-{run_date}.h5'.format(run_date = metalens['run_date'])
# if metalens['save_fields_to_h5'] and rank ==0:#(not os.path.exists(h5_fname)):
# metalens['h5_fname'] = h5_fname
# h5_file = h5py.File(h5_fname,'w', driver='mpio', comm=MPI.COMM_WORLD)
# fields = h5_file.create_group('fields')
# Ex = np.transpose(sim.get_array(component=mp.Ex),(2,1,0))
# metalens['voxels'] = Ex.shape[0]**3
# metalens['voxels'] = Ex.shape[0]**3
# metalens['above_pillar_index'] = int(Ex.shape[0]/2. + 3*metalens['pillar_height']*metalens['resolution']/2)
# mp.output_efield('test')
# fields.create_dataset('Ex',
# data=Ex)
# del Ex
# fields.create_dataset('Ey',
# data=np.transpose(sim.get_array(component=mp.Ey),(2,1,0)))
# fields.create_dataset('Ez',
# data=np.transpose(sim.get_array(component=mp.Ez),(2,1,0)))
# fields.create_dataset('Hx',
# data=np.transpose(sim.get_array(component=mp.Hx),(2,1,0)))
# fields.create_dataset('Hy',
# data=np.transpose(sim.get_array(component=mp.Hy),(2,1,0)))
# fields.create_dataset('Hz',
# data=np.transpose(sim.get_array(component=mp.Hz),(2,1,0)))
# h5_file.close()
# else:
# metalens['fields'] = {
# 'Ex': np.transpose(sim.get_array(component=mp.Ex),(2,1,0)),
# 'Ey': np.transpose(sim.get_array(component=mp.Ey),(2,1,0)),
# 'Ez': np.transpose(sim.get_array(component=mp.Ez),(2,1,0)),
# 'Hx': np.transpose(sim.get_array(component=mp.Hx),(2,1,0)),
# 'Hy': np.transpose(sim.get_array(component=mp.Hy),(2,1,0)),
# 'Hz': np.transpose(sim.get_array(component=mp.Hz),(2,1,0))
# }
# metalens['voxels'] = metalens['fields']['Ex'].shape[0]**3
# metalens['above_pillar_index'] = int(metalens['fields']['Ex'].shape[0]/2. + 3*metalens['pillar_height']*metalens['resolution']/2)
metalens['voxels'] = int((8 * metalens['resolution'])**3)
metalens['time_for_saving_fields'] = round(time() - start_time, 0)
metalens['max_mem_usage_in_Gb'] = metalens[
'num_cores'] * resource.getrusage(resource.RUSAGE_SELF).ru_maxrss / 1E6
metalens['max_mem_usage_in_Gb'] = round(metalens['max_mem_usage_in_Gb'], 2)
metalens['summary'] = '''init time = {time_for_init:.1f} s
running simulation = {time_for_running:.1f} s
saving fields = {time_for_saving_fields:.1f} s
num voxels = {voxels}
max memory usage = {max_mem_usage_in_Gb:.2f} Gb'''.format(**metalens)
metalens['pkl_fname'] = 'standard-candle-%d.pkl' % metalens['run_date']
return metalens
