float hilbert_3_x[] =
{ 0.0625f, 0.1875f, 0.1875f, 0.0625f, 0.0625f, 0.0625f, 0.1875f, 0.1875f, 0.3125f, 0.3125f, 0.4375f, 0.4375f, 0.4375f, 0.3125f, 0.3125f, 0.4375f, 0.5625f, 0.5625f, 0.6875f, 0.6875f, 0.8125f, 0.9375f, 0.9375f, 0.8125f, 0.8125f, 0.9375f, 0.9375f, 0.8125f, 0.6875f, 0.6875f, 0.5625f, 0.5625f, 0.5625f, 0.5625f, 0.6875f, 0.6875f, 0.8125f, 0.9375f, 0.9375f, 0.8125f, 0.8125f, 0.9375f, 0.9375f, 0.8125f, 0.6875f, 0.6875f, 0.5625f, 0.5625f, 0.4375f, 0.3125f, 0.3125f, 0.4375f, 0.4375f, 0.4375f, 0.3125f, 0.3125f, 0.1875f, 0.1875f, 0.0625f, 0.0625f, 0.0625f, 0.1875f, 0.1875f, 0.0625f };
float hilbert_3_y[] =
{ 0.0625f, 0.0625f, 0.1875f, 0.1875f, 0.3125f, 0.4375f, 0.4375f, 0.3125f, 0.3125f, 0.4375f, 0.4375f, 0.3125f, 0.1875f, 0.1875f, 0.0625f, 0.0625f, 0.0625f, 0.1875f, 0.1875f, 0.0625f, 0.0625f, 0.0625f, 0.1875f, 0.1875f, 0.3125f, 0.3125f, 0.4375f, 0.4375f, 0.4375f, 0.3125f, 0.3125f, 0.4375f, 0.5625f, 0.6875f, 0.6875f, 0.5625f, 0.5625f, 0.5625f, 0.6875f, 0.6875f, 0.8125f, 0.8125f, 0.9375f, 0.9375f, 0.9375f, 0.8125f, 0.8125f, 0.9375f, 0.9375f, 0.9375f, 0.8125f, 0.8125f, 0.6875f, 0.5625f, 0.5625f, 0.6875f, 0.6875f, 0.5625f, 0.5625f, 0.6875f, 0.8125f, 0.8125f, 0.9375f, 0.9375f };