Dataset { Float32 P[P = 16]; Float32 T[T = 12]; Float32 Y[Y = 73]; Grid { ARRAY: Float32 psi[T = 12][P = 16][Y = 73]; MAPS: Float32 T[T = 12]; Float32 P[P = 16]; Float32 Y[Y = 73]; } psi; } psi;