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Phong shading differs from Gouraud shading in that Phong shading interpolates

2556Medium DSSSB TGT Computer Science 0 replies 2 views
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Phong shading differs from Gouraud shading in that Phong shading interpolates

  • Athe intensities calculated at the vertices across the polygon
  • Ba single intensity for the whole polygon
  • Cthe surface normals across the polygon and applies the illumination model at every pixel
  • Dthe depth values of the pixels
Correct answer: C

Explanation

Gouraud shading interpolates vertex intensities, whereas Phong shading interpolates the normal vectors and evaluates the lighting at each pixel, which gives better highlights.
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