CA2379459A1 - Geometric design and modeling system using control geometry - Google Patents

Geometric design and modeling system using control geometry Download PDF

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Publication number
CA2379459A1
CA2379459A1 CA002379459A CA2379459A CA2379459A1 CA 2379459 A1 CA2379459 A1 CA 2379459A1 CA 002379459 A CA002379459 A CA 002379459A CA 2379459 A CA2379459 A CA 2379459A CA 2379459 A1 CA2379459 A1 CA 2379459A1
Authority
CA
Canada
Prior art keywords
profile
points
geometric object
curve
geometric
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.)
Abandoned
Application number
CA002379459A
Other languages
English (en)
French (fr)
Inventor
John N. Lee
Alyn Rockwood
Lance Hagen
Scott Hagen
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.)
FreeDesign Inc
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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 CA2379459A1 publication Critical patent/CA2379459A1/en
Abandoned legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/30Polynomial surface description
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T13/00Animation
    • G06T13/203D [Three Dimensional] animation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00Manipulating 3D models or images for computer graphics
    • G06T19/20Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Graphics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Geometry (AREA)
  • Algebra (AREA)
  • Architecture (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Or Creating Images (AREA)
  • Image Generation (AREA)
CA002379459A 1999-07-23 1999-07-23 Geometric design and modeling system using control geometry Abandoned CA2379459A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1999/016844 WO2001008102A1 (en) 1999-07-23 1999-07-23 Geometric design and modeling system using control geometry

Publications (1)

Publication Number Publication Date
CA2379459A1 true CA2379459A1 (en) 2001-02-01

Family

ID=22273274

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002379459A Abandoned CA2379459A1 (en) 1999-07-23 1999-07-23 Geometric design and modeling system using control geometry

Country Status (9)

Country Link
EP (1) EP1210692A4 (es)
JP (1) JP2003505800A (es)
KR (1) KR20020021800A (es)
CN (1) CN1391683A (es)
AU (1) AU5390799A (es)
CA (1) CA2379459A1 (es)
HU (1) HUP0700118A2 (es)
MX (1) MXPA02000845A (es)
WO (1) WO2001008102A1 (es)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8836701B1 (en) 1998-07-23 2014-09-16 Freedesign, Inc. Surface patch techniques for computational geometry
US6981695B1 (en) 2003-10-14 2006-01-03 Polaris Industries Inc. All terrain vehicle with multiple winches
US7196702B1 (en) 1998-07-23 2007-03-27 Freedesign, Inc. Geometric design and modeling system using control geometry
US7191029B2 (en) * 2001-06-22 2007-03-13 Siemens Hearing Instruments, Inc. Rapid prototype fabrication of a monolithic hearing instrument housing with an integrally-fabricated faceplate
GB0219623D0 (en) 2002-08-22 2002-10-02 British Telecomm Method and system for virtual object generation
US7589720B2 (en) * 2004-08-04 2009-09-15 Microsoft Corporation Mesh editing with gradient field manipulation and user interactive tools for object merging
EP1881457B1 (en) * 2006-07-21 2017-09-13 Dassault Systèmes Method for creating a parametric surface symmetric with respect to a given symmetry operation
US7868885B2 (en) 2007-06-22 2011-01-11 Microsoft Corporation Direct manipulation of subdivision surfaces using a graphics processing unit
US11907617B2 (en) 2008-07-18 2024-02-20 Cad-Sense Llc Surface patch techniques for computational geometry
FR2937770B1 (fr) 2008-10-27 2011-04-22 Snecma Procede de creation d'une surface non axisymetrique
CN102141377B (zh) * 2011-01-30 2014-06-04 睿励科学仪器(上海)有限公司 光学关键尺寸检测设备中用户自定义轮廓的方法
CN102496140B (zh) * 2011-12-06 2013-07-31 中国科学院自动化研究所 一种基于多层嵌套笼体的实时交互式图像变形方法
CN103186516B (zh) * 2011-12-29 2016-07-06 广州市中海达测绘仪器有限公司 一种生成监测图表的方法、装置及***
EP2660782B1 (en) 2012-05-02 2019-04-10 Dassault Systèmes Designing a 3D modeled object
US9042634B2 (en) * 2013-01-15 2015-05-26 General Electric Company Method system and computer product for non-destructive object analysis
CN103530435B (zh) * 2013-05-07 2017-02-08 常海超 一种基于敏感度的船体型线设计方法
US9690878B2 (en) * 2013-05-28 2017-06-27 Siemens Prodcut Lifecycle Management Software Inc Geometric modeling with mutually dependent blends
KR102138508B1 (ko) 2013-08-13 2020-07-28 엘지전자 주식회사 디스플레이 디바이스 및 그 제어 방법
CN103679811B (zh) * 2013-12-31 2017-05-10 北京数码大方科技股份有限公司 多曲面实体化建模方法
CN104029280B (zh) * 2014-03-27 2016-03-16 南京倍立达新材料***工程股份有限公司 一种三维数字化地面模具生产方法
EP3038060B1 (en) * 2014-12-23 2021-09-15 Dassault Systèmes 3D modeled object defined by a grid of control points
EP3051446A1 (en) 2015-02-02 2016-08-03 Dassault Systèmes Engraving a 2D image on a subdivision surface
KR101657673B1 (ko) * 2015-04-30 2016-09-22 주식회사 와이즈오토모티브 파노라마뷰 생성 장치 및 방법
CN107918691B (zh) * 2016-10-07 2023-09-29 福特全球技术公司 用于评估信号的方法和装置
EP3460760B1 (en) * 2017-09-26 2021-05-19 Dassault Systèmes Generating a 2d drawing representing a mechanical part
EP3502930A1 (en) * 2017-12-22 2019-06-26 Dassault Systèmes Method for computing an unfolded part of a modeled bended part of a 3d object
CN109894614B (zh) * 2019-03-25 2020-07-03 华中科技大学 一种可展曲面上填充轨迹规划的方法及其应用
CN111861608B (zh) * 2019-04-29 2024-04-30 杭州优工品科技有限公司 基于三维在线可视化的产品定制方法、装置及存储介质
CN111414662B (zh) * 2020-03-31 2023-05-26 北京市建筑设计研究院有限公司 利用直线型材拼装带状曲面建筑表皮的方法
WO2023149844A1 (en) * 2022-02-07 2023-08-10 Cleanfuture Energy Co., Ltd. Variable pitch propeller blades and associated propeller applications
KR102439313B1 (ko) * 2022-06-15 2022-09-01 주식회사 모쓰 프로펠러 날개의 단면 특성 정보 획득 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4999789A (en) * 1987-02-05 1991-03-12 Hewlett-Packard Co. Method and apparatus for trimming B-spline descriptions of patches in a high performance three dimensional graphics system
US5251160A (en) * 1988-02-23 1993-10-05 Evans & Sutherland Computer Corporation System for blending surfaces in geometric modeling
US5497451A (en) * 1992-01-22 1996-03-05 Holmes; David Computerized method for decomposing a geometric model of surface or volume into finite elements
US5818452A (en) * 1995-08-07 1998-10-06 Silicon Graphics Incorporated System and method for deforming objects using delta free-form deformation

Also Published As

Publication number Publication date
EP1210692A4 (en) 2006-02-08
AU5390799A (en) 2001-02-13
WO2001008102A1 (en) 2001-02-01
EP1210692A1 (en) 2002-06-05
JP2003505800A (ja) 2003-02-12
HUP0700118A2 (en) 2007-05-29
KR20020021800A (ko) 2002-03-22
CN1391683A (zh) 2003-01-15
MXPA02000845A (es) 2003-10-15

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20080508