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More adjoint filters #1205

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merged 10 commits into from
May 19, 2020
Merged

More adjoint filters #1205

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a79a85b
more fixes
May 1, 2020
6a50aaf
fix gaussian
May 1, 2020
c110100
major bug fixes
May 8, 2020
515c695
Merge branch 'master' of https://github.com/NanoComp/meep into adj_up…
May 12, 2020
e58d7b4
add other files
May 13, 2020
0855b5d
fix more filters
May 16, 2020
0ec0f40
add notebooks
May 19, 2020
6ebb9ce
remove scratch work
May 19, 2020
565b9da
more cleanup
May 19, 2020
a988690
run rest of example 3
May 19, 2020
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2 changes: 1 addition & 1 deletion python/adjoint/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,4 +14,4 @@

from .filter_source import FilteredSource

from .filters import (smoothing_filter, projection_filter)
from .filters import *
29 changes: 17 additions & 12 deletions python/adjoint/basis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ class Basis(ABC):
"""
"""

def __init__(self, rho_vector, volume=None, size=None, center=mp.Vector3()):
def __init__(self, rho_vector=None, volume=None, size=None, center=mp.Vector3()):
self.volume = volume if volume else mp.Volume(center=center,size=size)
self.rho_vector = rho_vector

Expand Down Expand Up @@ -45,15 +45,11 @@ class BilinearInterpolationBasis(Basis):
Simple bilinear interpolation basis set.
'''

def __init__(self,Nx,Ny,symmetry=None,**kwargs):
def __init__(self,resolution,symmetry=None,**kwargs):
'''

'''
self.Nx = Nx
self.Ny = Ny
# FIXME allow for 3d geometries using 2d bilinear interpolation
self.dim = 2
self.num_design_params = self.Nx*self.Ny

super(BilinearInterpolationBasis, self).__init__(**kwargs)

Expand All @@ -63,19 +59,28 @@ def __init__(self,Nx,Ny,symmetry=None,**kwargs):
else:
self.symmetry = symmetry

if mp.X in set(self.symmetry): # symmetry across x axis
self.rho_x = np.linspace(self.volume.center.x,self.volume.center.x + self.volume.size.x/2,Nx)
if mp.X in set(self.symmetry):
self.Nx = int(resolution * self.volume.size.x / 2)
self.rho_x = np.linspace(self.volume.center.x,self.volume.center.x + self.volume.size.x/2,self.Nx)
self.mirror_X = True
else:
self.rho_x = np.linspace(self.volume.center.x - self.volume.size.x/2,self.volume.center.x + self.volume.size.x/2,Nx)
self.Nx = int(resolution * self.volume.size.x)
self.rho_x = np.linspace(self.volume.center.x - self.volume.size.x/2,self.volume.center.x + self.volume.size.x/2,self.Nx)
self.mirror_X = False

if mp.Y in set(self.symmetry): # symmetry across y axis
self.rho_y = np.linspace(self.volume.center.y,self.volume.center.y + self.volume.size.y/2,Ny)
if mp.Y in set(self.symmetry):
self.Ny = int(resolution * self.volume.size.y / 2)
self.rho_y = np.linspace(self.volume.center.y,self.volume.center.y + self.volume.size.y/2,self.Ny)
self.mirror_Y = True
else:
self.rho_y = np.linspace(self.volume.center.y - self.volume.size.y/2,self.volume.center.y + self.volume.size.y/2,Ny)
self.Ny = int(resolution * self.volume.size.y)
self.rho_y = np.linspace(self.volume.center.y - self.volume.size.y/2,self.volume.center.y + self.volume.size.y/2,self.Ny)
self.mirror_Y = False

self.num_design_params = self.Nx*self.Ny

if self.rho_vector is None:
self.rho_vector = np.ones((self.num_design_params,))

def __call__(self, p):
x = 2*self.volume.center.x - p.x if self.mirror_X and p.x < self.volume.center.x else p.x
Expand Down
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