Texture mapping in 3-d computer graphics

Details Texture mapping in 3-d computer graphics Texture mapping in 3-d computer graphics

G - Physics

06

T

G06T 15/10 (2006.01) G06T 15/20 (2006.01)

Patent

CA 2185927

A texture mapping process for computer graphics includes the steps of determining an image to be displayed as a series of destination polygons, identifying the or each image object to be displayed as one or more textured source polygons, sub-dividing the or each textured source polygon of an object along planes of constant distance from a viewing position, and rendering the resulting sub-polygons onto the destination polygons of the image by simple warp mapping. The technique substantially reduces the volume of mathematical processing, particularly division.

Un procédé de mappage de texture utilisé en infographie consiste à déterminer une image à restituer sous forme d'une série de polygones de destination, à identifier l'objet ou chaque objet d'image à restituer se présentant sous forme d'un ou de plusieurs polygones-sources texturés, à sous-diviser le polygone ou chaque polygone-source texturé d'un objet le long de plans de distance constante à partir d'une position de visualisation, et à restituer les sous-polygones obtenus sur les polygones de destination de l'image par mappage à simple balayage. Cette technique réduit sensiblement le volume de traitement mathématique, notamment de division.

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