CA2294233A1 - A computer graphics system - Google Patents

A computer graphics system Download PDF

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Publication number
CA2294233A1
CA2294233A1 CA002294233A CA2294233A CA2294233A1 CA 2294233 A1 CA2294233 A1 CA 2294233A1 CA 002294233 A CA002294233 A CA 002294233A CA 2294233 A CA2294233 A CA 2294233A CA 2294233 A1 CA2294233 A1 CA 2294233A1
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CA
Canada
Prior art keywords
scene
phenomenon
operator
shader
computer graphics
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002294233A
Other languages
French (fr)
Other versions
CA2294233C (en
Inventor
Thomas Driemeyer
Rolf Herken
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nvidia ARC GmbH
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Individual
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 Individual filed Critical Individual
Publication of CA2294233A1 publication Critical patent/CA2294233A1/en
Application granted granted Critical
Publication of CA2294233C publication Critical patent/CA2294233C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/005—General purpose rendering architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/50—Lighting effects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/50—Lighting effects
    • G06T15/80—Shading
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/005—Tree description, e.g. octree, quadtree

Abstract

A computer graphics system is described in which a new type of entity, referred to as a "phenomenon", can be created, instantiated and used in rendering an image of a scene. A phenomenon is an encapsulated shader DAG comprising one or more nodes, each comprising a shader, or an encapsulated set of such DAG's which are interconnected so as to cooperate, which are instantiated and attached to entities in the scene which are created during the scene definition process to define dirverse types of features of a scene. Phenomena selected for use by an operator in connection with a scene may be predefined, or they may constructed from base shader nodes by an operator using a phenomenon creator. The phenomenon editor allows the operator to view the effects produced by various settings for the parameter values which are selected.
CA002294233A 1997-07-02 1998-07-02 A computer graphics system Expired - Fee Related CA2294233C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5150797P 1997-07-02 1997-07-02
US60/051,507 1997-07-02
PCT/IB1998/001073 WO1999001846A1 (en) 1997-07-02 1998-07-02 A computer graphics system

Publications (2)

Publication Number Publication Date
CA2294233A1 true CA2294233A1 (en) 1999-01-14
CA2294233C CA2294233C (en) 2007-06-05

Family

ID=21971724

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002294233A Expired - Fee Related CA2294233C (en) 1997-07-02 1998-07-02 A computer graphics system

Country Status (10)

Country Link
US (3) US6496190B1 (en)
EP (1) EP0993659B1 (en)
JP (1) JP2001509620A (en)
AT (1) ATE311637T1 (en)
AU (1) AU752048B2 (en)
CA (1) CA2294233C (en)
DE (1) DE69832611T2 (en)
DK (1) DK0993659T3 (en)
ES (1) ES2255167T3 (en)
WO (1) WO1999001846A1 (en)

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Also Published As

Publication number Publication date
US7173617B2 (en) 2007-02-06
ATE311637T1 (en) 2005-12-15
EP0993659B1 (en) 2005-11-30
US6496190B1 (en) 2002-12-17
DK0993659T3 (en) 2006-03-27
WO1999001846A1 (en) 1999-01-14
AU8123798A (en) 1999-01-25
US6606092B2 (en) 2003-08-12
ES2255167T3 (en) 2006-06-16
JP2001509620A (en) 2001-07-24
US20030001844A1 (en) 2003-01-02
AU752048B2 (en) 2002-09-05
US20030222870A1 (en) 2003-12-04
DE69832611T2 (en) 2006-08-10
CA2294233C (en) 2007-06-05
EP0993659A1 (en) 2000-04-19
DE69832611D1 (en) 2006-01-05

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