TERMIUM Plus®

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ray tracing [2 records]

Record 1 - external organization data 2006-03-24

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
13.02.29 (2382)
ISO/IEC standard entry number
DEF

technique for determining, by tracing imaginary rays of light from the viewer's eye to the objects in a scene, the parts of the scene that should be displayed in the resulting display image

OBS

Tracing may involve reflections and refractions of the light.

OBS

ray tracing: term and definition standardized by ISO/IEC [ISO/IEC 2382-13:1996].

French

Domaine(s)
  • Tiroir - ISO/CEI JTC 1 Vocabulaire des technologies de l'information
Entrée(s) universelle(s)
13.02.29 (2382)
ISO/IEC standard entry number
DEF

technique utilisée pour déterminer quelles parties d'une scène doivent être affichées dans l'image correspondante, en traçant des rayons qui suivent le regard d'un observateur vers ces parties

OBS

Le lancer de rayon peut prendre en compte les réflexions et les réfractions des rayons.

OBS

lancer de rayon : terme et définition normalisés par l'ISO/CEI [ISO/IEC 2382-13:1996].

Spanish

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Record 2 2006-02-10

English

Subject field(s)
  • Information Processing (Informatics)
  • Computer Graphics
  • Micrographics
DEF

A technique for determining, by tracing imaginary rays of light from the viewer's eye to the objects in a scene, the parts of the scene that should be displayed in the resulting display image.

CONT

Ray-tracing technique relies on an extremely time-consuming algorithm to compute the reflection and refraction of light from the surfaces of imaginary objects. Basically the computer program traces individual light rays, starting at the viewpoint and passing backward through each pixel in the image plane until the ray hits a surface. The reflected ray is then continued to see if it could have come from a light source, either directly or after reflection from another object. For a transparent surface a second, refracted ray must also be traced.

OBS

Tracing may involve reflections and refractions of the light.

OBS

ray tracing; ray casting : terms standardized by ISO and CSA.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Infographie
  • Micrographie
DEF

Technique utilisée pour déterminer quelles parties d'une scène doivent être affichées dans l'image correspondante, en traçant des rayons qui suivent le regard d'un observateur vers ces parties.

OBS

Le lancer de rayon peut prendre en compte les réflexions et les réfractions des rayons.

OBS

lancer de rayon; traçage de rayon; lancer de rayons : termes normalisés par l'ISO et la CSA.

Spanish

Campo(s) temático(s)
  • Tratamiento de la información (Informática)
  • Gráficos de computadora
  • Micrografía
CONT

El seguimiento de rayos para la generación de imágenes de ordenador envía rayos luminosos ficticios desde el ojo del espectador hacia la escena que se está representando. El color y la intensidad de la luz en cada punto dependen de la reflectancia de las superficies interceptadas por el rayo a su paso a través de la escena.

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