radiosity - définition. Qu'est-ce que radiosity
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Qu'est-ce (qui) est radiosity - définition


radiosity         
<graphics> A method for rendering a view of a three-dimensional scene that provides realistic lighting effects, such as interobject reflections and color bleeding. Radiosity methods are computationally intense, due to the use of linear systems of equations and the spatial complexity of large scenes. Usenet newsgroup: news:comp.graphics. [Is radiosity more accurate than ray tracing? Does it take more computing power? How does compute time scale with scene complexity?] (2003-06-01)
Radiosity (computer graphics)         
  • BMRT]]
  • The geometrical form factor (or "projected solid angle") ''F''<sub>ij</sub>.<br /><br /> ''F''<sub>ij</sub> can be obtained by projecting the element ''A''<sub>j</sub> onto the surface of a unit hemisphere, and then projecting that in turn onto a unit circle around the point of interest in the plane of ''A''<sub>i</sub>. The form factor is then equal to the proportion of the unit circle covered by this projection.<br /><br />Form factors obey the reciprocity relation ''A''<sub>i</sub>''F''<sub>ij</sub> = ''A''<sub>j</sub>''F''<sub>ji</sub>
COMPUTER GRAPHICS RENDERING METHOD USING DIFFUSE REFLECTION
Radiosity (3D computer graphics)
In 3D computer graphics, radiosity is an application of the finite element method to solving the rendering equation for scenes with surfaces that reflect light diffusely. Unlike rendering methods that use Monte Carlo algorithms (such as path tracing), which handle all types of light paths, typical radiosity only account for paths (represented by the code "LD*E") which leave a light source and are reflected diffusely some number of times (possibly zero) before hitting the eye.
Radiosity (radiometry)         
  • The two radiosity components of an opaque surface.
PHYSICAL QUANTITY IN RADIOMETRY
Spectral exitance; Radiosity (heat transfer); Surface resistance to radiation
In radiometry, radiosity is the radiant flux leaving (emitted, reflected and transmitted by) a surface per unit area, and spectral radiosity is the radiosity of a surface per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength. The SI unit of radiosity is the watt per square metre (), while that of spectral radiosity in frequency is the watt per square metre per hertz (W·m−2·Hz−1) and that of spectral radiosity in wavelength is the watt per square metre per metre (W·m−3)—commonly the watt per square metre per nanometre ().

Wikipédia

Radiosity
Radiosity may refer to: