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Add eig_vol argument to EigenModeSource class constructor #2767

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merged 3 commits into from
Jan 25, 2024
Merged

Add eig_vol argument to EigenModeSource class constructor #2767

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15b221f
add eig_vol argument to EigenModeSource class constructor
oskooi Jan 23, 2024
477da77
define eig_vol within add_source rather than constructor
oskooi Jan 23, 2024
62ea453
fixes
oskooi Jan 23, 2024
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19 changes: 11 additions & 8 deletions python/source.py
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Original file line number Diff line number Diff line change
Expand Up @@ -463,6 +463,7 @@ def __init__(
volume=None,
eig_lattice_size=None,
eig_lattice_center=None,
eig_vol=None,
component=mp.ALL_COMPONENTS,
direction=mp.AUTOMATIC,
eig_band=1,
Expand Down Expand Up @@ -551,12 +552,13 @@ def __init__(
optional `eig_lattice_size` and `eig_lattice_center`, which define a volume
(which must enclose `size` and `center`) that is used for the unit cell in MPB
with the dielectric function ε taken from the corresponding region in the Meep
simulation.
simulation. Alternatively, a volume object `eig_vol` can be specified.
"""

super().__init__(src, component, center, volume, **kwargs)
self.eig_lattice_size = eig_lattice_size
self.eig_lattice_center = eig_lattice_center
self.eig_vol = eig_vol
self.component = component
self.direction = direction
self.eig_band = eig_band
Expand Down Expand Up @@ -643,12 +645,13 @@ def add_source(self, sim):
else:
direction = self.direction

eig_vol = mp.Volume(
self.eig_lattice_center,
self.eig_lattice_size,
sim.dimensions,
is_cylindrical=sim.is_cylindrical,
).swigobj
if self.eig_vol is None:
self.eig_vol = mp.Volume(
self.eig_lattice_center,
self.eig_lattice_size,
sim.dimensions,
is_cylindrical=sim.is_cylindrical,
)

if isinstance(self.eig_band, mp.DiffractedPlanewave):
eig_band = 1
Expand All @@ -663,7 +666,7 @@ def add_source(self, sim):
self.src.swigobj,
direction,
where,
eig_vol,
self.eig_vol.swigobj,
eig_band,
mp.py_v3_to_vec(
sim.dimensions, self.eig_kpoint, is_cylindrical=sim.is_cylindrical
Expand Down