The Methods of the Fast Shading
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Г I ∆ and B I ∆ correspondingly along horizontal and vertical scanlines are constant values and this eliminates necessity of their computing for every rasterization line. Let’s find out interconnection between growth of color intensities along horizontal and vertical rasterization lines. It’s proved that growth of intensities H I ∆ , V I ∆ and D I ∆ in horizontal, vertical and diagonal directions correspondingly are constants and are equal.
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