Environment Mapping
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Environment Mapping oder auch Reflection Mapping ist eine effiziente Methode, um in der Computergrafik spiegelnde Oberflächen zu simulieren und zu rendern.
Dabei wird die Umgebung des spiegelnden Objekts als Textur gespeichert und auf die... Wikipedia
Weitere Fragen
What is environment mapping?
Environment mapping is generally the fastest method of rendering a reflective surface. To further increase the speed of rendering, the renderer may calculate ...
In the real world, at each point in a scene, light arrives from all directions (not just from a few point light sources).
Environment mapping is a scheme that improves on the mapping techniques of chrome and refraction mapping. It is useful because of the fact that in a reflective ...
The Cg Tutorial - Chapter 7. Environment Mapping Techniques
developer.download.nvidia.com › cg_tut...
This chapter presents several techniques based on environment mapping. Environment mapping simulates an object reflecting its surroundings. In its simplest form ...
Also called reflection mapping. ○ First proposed by Blinn and Newell 1976. ○ A cheap way to create reflections on curved.
Visual artifacts are common. □ Sphere mapping is view dependent. □ Acquisition of images non-trivial. □ Need fisheye lens. □ Or render from fisheye lens.
A mapping between the reflection vector and a circular texture. • Contains the whole environment around a point in a single.
The tool ranks each of the state's 8,000 census tracts using data on 21 indicators of pollution, environmental quality, and socioeconomic and public health ...
Since environment maps represent directional informa- tion as a 2D texture, it is necessary to decide for a map- ping from directions to texture coordinates in ...
An "environment map" is a "360 deg" RGB image of a scene, defined on the unit sphere centered at some scene point. We denote it E(rx, ry, rz) where r is ...