HK91092A - Method and apparatus for adaptive forward differencing in the rendering of curves and surfaces - Google Patents

Method and apparatus for adaptive forward differencing in the rendering of curves and surfaces

Info

Publication number
HK91092A
HK91092A HK910/92A HK91092A HK91092A HK 91092 A HK91092 A HK 91092A HK 910/92 A HK910/92 A HK 910/92A HK 91092 A HK91092 A HK 91092A HK 91092 A HK91092 A HK 91092A
Authority
HK
Hong Kong
Prior art keywords
rendering
curves
adaptive forward
forward differencing
differencing
Prior art date
Application number
HK910/92A
Other languages
English (en)
Inventor
Sheue-Ling Lien
Michael J Shantz
Serdar Ergene
Vaughan R Pratt
Jerald R Evans
Original Assignee
Sun Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Publication of HK91092A publication Critical patent/HK91092A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/20—Drawing from basic elements, e.g. lines or circles
    • G06T11/203—Drawing of straight lines or curves
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/20—Function-generator circuits, e.g. circle generators line or curve smoothing circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Image Generation (AREA)
  • Controls And Circuits For Display Device (AREA)
HK910/92A 1987-05-08 1992-11-19 Method and apparatus for adaptive forward differencing in the rendering of curves and surfaces HK91092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4769687A 1987-05-08 1987-05-08

Publications (1)

Publication Number Publication Date
HK91092A true HK91092A (en) 1992-11-27

Family

ID=21950428

Family Applications (1)

Application Number Title Priority Date Filing Date
HK910/92A HK91092A (en) 1987-05-08 1992-11-19 Method and apparatus for adaptive forward differencing in the rendering of curves and surfaces

Country Status (8)

Country Link
US (1) US5125073A (fr)
JP (1) JP2741033B2 (fr)
CA (1) CA1312154C (fr)
DE (1) DE3815390C2 (fr)
FR (1) FR2615980B1 (fr)
GB (1) GB2204767B (fr)
HK (1) HK91092A (fr)
SG (1) SG41692G (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646257B1 (fr) * 1989-04-24 1991-08-23 Digital Equipment Int Procede d'affichage d'arcs de courbes parametriques polynomiales, sur un support de visualisation d'un moyen d'affichage relie a un ordinateur
JPH03269686A (ja) * 1990-03-19 1991-12-02 Fujitsu Ltd 高品質な曲線の生成処理方式
KR930004215B1 (ko) * 1990-11-16 1993-05-21 고재용 디지탈하드웨어장치 및 디지탈데이터처리 방법
US5367617A (en) * 1992-07-02 1994-11-22 Microsoft Corporation System and method of hybrid forward differencing to render Bezier splines
US5488698A (en) * 1992-11-05 1996-01-30 Oliver; David C. Rasterization of line segments using difference vectors
US5739820A (en) * 1992-11-19 1998-04-14 Apple Computer Inc. Method and apparatus for specular reflection shading of computer graphic images
US5473740A (en) * 1993-12-29 1995-12-05 International Business Machines Corporation Method and apparatus for interactively indicating image boundaries in digital image cropping
USRE42534E1 (en) * 2000-07-28 2011-07-12 Adrian Sfarti Bicubic surface real-time tesselation unit
US7245299B2 (en) * 2003-05-12 2007-07-17 Adrian Sfarti Bicubic surface real-time tesselation unit
KR102219294B1 (ko) * 2014-02-13 2021-02-23 삼성전자 주식회사 커브 렌더링 방법 및 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598972A (en) * 1968-12-23 1971-08-10 Texas Instruments Inc Adaptive weighting in training feedback minimized optimum filters and predictors
JPS6040042B2 (ja) * 1975-07-17 1985-09-09 日本電気株式会社 高速・高精度補間方法
DE2738352A1 (de) * 1977-08-23 1979-03-01 Siemens Ag Funktionsgenerator mit speichermatrix
US4371933A (en) * 1980-10-06 1983-02-01 International Business Machines Corporation Bi-directional display of circular arcs
NL8300872A (nl) * 1983-03-10 1984-10-01 Philips Nv Multiprocessor-rekenmachinesysteem voor het tot een gekleurde afbeelding verwerken van in een hierarchische datastruktuur gedefinieerde objekt-elementen.
US4620287A (en) * 1983-01-20 1986-10-28 Dicomed Corporation Method and apparatus for representation of a curve of uniform width
US4730261A (en) * 1983-10-25 1988-03-08 Ramtek Corporation Solids modelling generator
JPH0631990B2 (ja) * 1984-01-07 1994-04-27 カシオ計算機株式会社 波形の補間装置
US4688182A (en) * 1984-09-10 1987-08-18 Allied Corporation Method and apparatus for generating a set of signals representing a curve
US4760548A (en) * 1986-06-13 1988-07-26 International Business Machines Corporation Method and apparatus for producing a curve image

Also Published As

Publication number Publication date
US5125073A (en) 1992-06-23
FR2615980B1 (fr) 1994-04-01
FR2615980A1 (fr) 1988-12-02
JPS6441077A (en) 1989-02-13
SG41692G (en) 1992-06-12
DE3815390C2 (de) 1997-08-14
JP2741033B2 (ja) 1998-04-15
GB2204767A (en) 1988-11-16
DE3815390A1 (de) 1988-11-24
CA1312154C (fr) 1992-12-29
GB8809350D0 (en) 1988-05-25
GB2204767B (en) 1991-11-13

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050420