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Topic: Subdivision surface

Related Topics

Nurbs

Implicit surface

Raytracing

Scanline rendering

Radiosity

Phong reflection model

3D computer graphics

Phong shading

Constructive solid geometry

Texture mapping

Mental Ray

Flat shading

Polygon

Application programming interface

RenderMan

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	Subdivision surface: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-13)
		Subdivision surfaces are defined as the limit of an infinite refinement process.
		Any portion of the surface that is equivalent to a 4x4 grid of control points represents a bi-cubic uniform B-spline patch.
		Defining subdivision surface at vertices with valence other than four was historically difficult; such points are called extraordinary points.
	www.absoluteastronomy.com /encyclopedia/s/su/subdivision_surface.htm (554 words)

	Encyclopedia article on Computer graphics [EncycloZine] (Site not responding. Last check: 2007-10-13)
		Flat shading: A technique that shades each polygon of an object based on the polygon's "normal" and the position and intensity of a light source.
		Gouraud shading: Invented by Henri Gouraud in 1971, a fast and resource-conscious technique used to simulate smoothly shaded surfaces by interpolating vertex colors across a polygon's surface.
		Radiosity: a technique for global illumination that uses radiative transfer theory to simulate indirect (reflected) illumination in scenes with diffuse surfaces.
	encyclozine.com /Computer_graphics (677 words)

	Ray Tracing and 3D Links - 3D Resources
		In displacement mapping, the surface is actually modified, in contrast to bump mapping where only the surface normal is modified.
		A survey of the most commonly used surface primitives with their limitations follows, as well as a review of the new directions of research.
		It allows complex geometric variation to be added to simpler geometry, without the cost in geometric complexity of completely describing the nuances of the geometry at modeling time and with the advantage that the detail can be added adaptively at rendering time.
	objects.povworld.org /links8.html (1586 words)

	Poser 5
		Strand-based hair can be grown, styled and animated; dynamic cloth can drape and flow around, or collide with any element in a Poser scene.
		After the actor is completed, Poser’s new FireFly renderer creates photorealistic stills and animations by making use of a hybrid micro-polygon and Ray Trace render-engine with subdivision, surface rendering of polygons.
		Fortunately, all connected nodes and their respective jacks are represented graphically, along with the step-by-step creation of the material, or surface, in a handy preview window.
	www.metromac.org /newsletter/express/july04/eden_Poser.html (3429 words)

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