Dataset {
    Float32 Y[Y = 42];
    Float32 X[X = 50];
    Grid {
     ARRAY:
        Float64 int_dY[Y = 42][X = 50];
     MAPS:
        Float32 Y[Y = 42];
        Float32 X[X = 50];
    } int_dY;
} int_dY;