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| ombrage de Phong (Lambert or cosine shading plus smoothing and specularity of faceted surfaces); ombrage par interpolation de vecteurs de la normale (Lambert or cosine shading plus smoothing and specularity of faceted surfaces) | |||
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| ombrage de Phong (Lambert or cosine shading plus smoothing and specularity of faceted surfaces); ombrage par interpolation de vecteurs de la normale (Lambert or cosine shading plus smoothing and specularity of faceted surfaces) | |||
