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Gouraud shading

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Gouraud shading

In computer animation, technique for calculating the correct colours and intensity of lighting playing on an on-screen three-dimensional object.

Gouraud shading works by measuring the colour and brightness at the vertices of the polygons that make up the object and mixing these to get values for the areas inside the polygons. Specialized hardware makes this process relatively fast. The technique is named after its inventor, Henri Gouraud, and was developed in 1973.


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The pairing of the two technologies will leverage the unique features of the RAGE 128 card such as its power to handle advanced visual effects including, superscalar rendering, line and edge anti-aliasing, gouraud shading, twin cache, single pass multitexturing, perspectively correct texture mapping, mip-mapping and z-buffering and double buffering," said Ed Grondahl, Vice President of Product Marketing of ATI.
Gouraud shading Alpha blending for transparency High-quality anti-aliasing Texture: - Bilinear, trilinear filtering - Perspective Correction - MIPmapping Per pixel depth cueing Fog, Overlays & Stencils Window ID Support SOFTWARE SUPPORT: OpenGL Microsoft Windows NT 4.
Gouraud shading is employed to obtain very smooth part shading.
 
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