PROCEDE ET DISPOSITIF POUR REPRODUIRE DES VECTEURS EN UTILISANT DES PARAMETRES DE BRESENHAM

PROCEDE ET DISPOSITIF POUR REPRODUIRE DES VECTEURS EN UTILISANT DES PARAMETRES DE BRESENHAM

An adaptive forward differencing apparatus wherein, when rendering curves, calculated x, y values are increased or decreased in order to create values which correspond to the next pixel of the display CRT, such that curves of substantially one pixel increments are continuously and uniformly generate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MICHAEL J. SHANTZ, JERALD R. EVANS, SHEUE-LING LIEN, SERDAR ERGENE, SUSAN E. CARRIE
Format: Patent
Sprache:fre
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CALCULATING
COMPUTING
COUNTING
CRYPTOGRAPHY
DISPLAY
EDUCATION
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
SEALS
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Beschreibung
Zusammenfassung:An adaptive forward differencing apparatus wherein, when rendering curves, calculated x, y values are increased or decreased in order to create values which correspond to the next pixel of the display CRT, such that curves of substantially one pixel increments are continuously and uniformly generated. The apparatus of the present invention also provides circuitry for generating coordinates of display elements which approximate an ideal vector and to define curves, vectors or objects within maximum and minimum coordinates of the CRT display. The present invention also provides efficient circuitry for computing the value of 1/w of the homogenous coordinate w.