Question

Difference between polygon surfaces and Quadratic surfaces

Answer 1

Answer:

Polygon Surfaces: It is he most common representation for 3D graphics object. In this representations, a 3D object is represented by a set of surfaces that enclose the object interior. Many graphics system use this method. Set of polygons are stored for object description. This simplifies and speeds up the surface rendering and display of object since all surfaces can be described with linear equations.

The polygon surface are common in design and solid-modeling applications, since wire frame display can be done quickly to give general indication of surface structure. Then realistic scenes are produced by interpolating shading patterns across polygon surface to illuminate.

Quadric Surfaces: Quadric surfaces are defined by quadratic equations in two dimensional space. Spheres and cones are examples of quadrics. The quadric surfaces of RenderMan are surfaces of revolution in which a finite curve in two dimensions is swept in three dimensional space about one axis to create a surface.

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Answer 2

Hi kallaka . Answering after more than 1 year