Dear Sir/ Madam,
I use the codes below to build my graphene system.
Could you tell me what is the unit of L and W (or x and y) ?
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L = 8.0
W = 6.0
def rectangle(pos):
x, y = pos
return -L < x < L and -W < y < W
def lead_shape(pos):
x, y = pos
return -W/4.0 < y < W/4.0
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Thank you in advance.
Best Regards,
Dedi