Grid Specification

tidy3d.EMEUniformGrid	Specification for a uniform EME grid.
tidy3d.EMECompositeGrid	EME grid made out of multiple subgrids.
tidy3d.EMEExplicitGrid	EME grid with explicitly defined internal boundaries.
tidy3d.EMEGrid	EME grid.
tidy3d.EMEModeSpec	Mode spec for EME cells.