masque/examples/ellip_grating.py

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# Quick script for testing arcs
import numpy
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from masque.file import gdsii
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from masque import Arc, Pattern
def main():
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pat = Pattern()
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layer = (0, 0)
pat.shapes[layer].extend([
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Arc(
radii=(rmin, rmin),
width=0.1,
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angles=(-numpy.pi/4, numpy.pi/4),
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)
for rmin in numpy.arange(10, 15, 0.5)]
)
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pat.label(string='grating centerline', offset=(1, 0), layer=(1, 2))
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pat.scale_by(1000)
pat.visualize()
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lib = {
'ellip_grating': pat,
'grating2': pat.copy(),
}
gdsii.writefile(lib, 'out.gds.gz', meters_per_unit=1e-9, logical_units_per_unit=1e-3)
if __name__ == '__main__':
main()