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Physically based rendering ( PBR) is a computer graphics approach that seeks to render images in a way that models the lights and surfaces with optics in the real world. It is often referred to as "Physically Based Lighting" or "Physically Based Shading". Many PBR pipelines aim to achieve photorealism. Feasible and quick approximations of the ...
Real-world subsurface scattering of light in a photograph of a human hand Computer-generated subsurface scattering in Blender. Subsurface scattering (SSS), also known as subsurface light transport (SSLT), [1] is a mechanism of light transport in which light that penetrates the surface of a translucent object is scattered by interacting with the material and exits the surface potentially at a ...
Bump mapping[ 1] is a texture mapping technique in computer graphics for simulating bumps and wrinkles on the surface of an object. This is achieved by perturbing the surface normals of the object and using the perturbed normal during lighting calculations. The result is an apparently bumpy surface rather than a smooth surface, although the ...
Leather is a strong, flexible and durable material obtained from the tanning, or chemical treatment, of animal skins and hides to prevent decay. The most common leathers come from cattle, sheep, goats, equine animals, buffalo, pigs and hogs, and aquatic animals such as seals and alligators. [ 1][ 2] Leather can be used to make a variety of ...
Artificial leather. An artificial leather bag strap, made from plastic. Artificial leather, also called synthetic leather, is a material intended to substitute for leather in upholstery, clothing, footwear, and other uses where a leather-like finish is desired but the actual material is cost prohibitive or unsuitable, or for ethical concerns.
Procedural texture. In computer graphics, a procedural texture[ 1] is a texture created using a mathematical description (i.e. an algorithm) rather than directly stored data. The advantage of this approach is low storage cost, unlimited texture resolution and easy texture mapping. [ 2] These kinds of textures are often used to model surface or ...
Riding boot from 1910–1920s. In general, patent leather is fine grain leather that is treated to give it a glossy appearance. An early reference to patent leather is in the 1793 British periodical The Bee, or Literary Weekly Intelligencer, which notes, in an article entitled "Hand's patent leather", that "a gentleman of the name of Hand" in Birmingham, England, obtained a patent for ...
Morocco leather (also known as Levant, the French Maroquin, Turkey[ 1], or German Saffian from Safi, a Moroccan town famous for leather) is a vegetable-tanned leather known for its softness, pliability, and ability to take color. It has been widely used in the manufacture of gloves and the uppers of ladies' shoes and men's low cut shoes, but is ...