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package Lto10_Pkg is type U16 is mod 2 ** 16; type Position is record X, Y, Z : U16; end record; for Position'Size use 48; type Pixel is record Pos : Position; end record; pragma Pack (Pixel); Minus_One : Integer := -1; Pix : Pixel := (Pos => (X => 0, Y => 0, Z => 0)); end Lto10_Pkg;