Method of displaying image

Details Method of displaying image Method of displaying image

G - Physics

09

G

354/143, 375/5,

G09G 3/00 (2006.01) G06T 15/00 (2006.01) G06T 15/50 (2006.01)

Patent

CA 1260638

ABSTRACT OF THE DISCLOSURE A method of displaying graphic image surface information data of an object lying within a three- dimensional space on a two-dimensional display screen when seen from a predetermined observing point is disclosed. A patch of the surface of an object is separated into plural triangular units, and image information data (luminance, visible-nonvisible, and distance) are all represented at the three apexes of each triangular unit area which includes a number of display pixels. The positional data at the three apexes are transformed from three- to two-dimensional space. The other image information data are calculated in accordance with interpolation calculation. Prior to the interpolation calculation a display area is determined and a triangular area including pixels to be processed is determined to reduce the processing time. This process is repeated for the entire surface to be displayed.

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