Dataset {
    Float32 T[T = 12];
    Float32 X[X = 622];
    Grid {
     ARRAY:
        Float64 int_dX[T = 12][X = 622];
     MAPS:
        Float32 T[T = 12];
        Float32 X[X = 622];
    } int_dX;
} int_dX;