Polygon representation methods - modeling and rendering, Computer Graphics

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Polygon Representation Methods - Modeling and Rendering

Any scene to be created by computer graphics may include a variety of objects, a few of them natural and manmade. Hence, to achieve realism in our scene we do not comprise any exact single method that handles the realistic representational complications of all components whether natural or manmade in a scene.

Accordingly let us have an idea about the basic representational schemes available as:

Polygon and quadric surfaces present precise explanation for simple Euclidean objects as polyhedrons, ellipsoids.
Spline surfaces and construction methods are helpful for designing aircraft wings, gears and another engineering structures along with curved surfaces
Procedural techniques as fractals constructions and particle systems provide us accurate representations for the natural objects as clouds, trees etc.
Physically based modeling techniques by utilizing systems, for interacting forces can be utilized to illustrate the non-rigid behaviors of piece of jelly or a piece of cloth.
Octrees encoding are utilized to represent internal features of the objects, as those acquired from medical CT images, volume renderings and another visualization technique.

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