Diamond lattice

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Hi

I have a orthogonal Cartesian grid in which the value of epsilon is set on
each grid point for diamond lattice. I want to import this into MPB. But it
seems that I must convert my whole grid into non-orthogonal grid which is
used in MPB, assuming these are the basis vectors:

(set! geometry-lattice (make lattice
(basis-size (sqrt 0.5) (sqrt 0.5) (sqrt 0.5))
(basis1 0 1 1)
(basis2 1 0 1)
(basis3 1 1 0)))

Could you please help me how I can import such data into MPB?

Thanks
Setareh

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<div dir=3D"ltr">Hi<div><br></div><div>I have a orthogonal Cartesian grid i=
n which the value of epsilon is set on each grid point for diamond lattice.=
 I want to import this into MPB. But it seems that I must convert my whole =
grid into non-orthogonal grid which is used in MPB, assuming these are the =
basis vectors:</div><div><br></div><div>(set! geometry-lattice (make lattic=
e</div><div>(basis-size (sqrt 0.5) (sqrt 0.5) (sqrt 0.5))</div><div>(basis1=
 0 1 1)</div><div>(basis2 1 0 1)</div><div>(basis3 1 1 0)))=C2=A0</div><div=
><br></div><div>Could you please help me how I can import such data into MP=
B?=C2=A0</div><div><br></div><div>Thanks</div><div>Setareh</div></div>

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