Dataset {
    Float32 P[P = 11];
    Float32 Y[Y = 73];
    Float32 X[X = 144];
    Grid {
     ARRAY:
        Float32 partial_P[P = 11][Y = 73][X = 144];
     MAPS:
        Float32 P[P = 11];
        Float32 Y[Y = 73];
        Float32 X[X = 144];
    } partial_P;
} partial_P;