DE69227095T2 - Bewegungen zur Umwandlung von konkaven Polyedern in ihre konvexen Hüllen - Google Patents

Bewegungen zur Umwandlung von konkaven Polyedern in ihre konvexen Hüllen

Info

Publication number
DE69227095T2
DE69227095T2 DE69227095T DE69227095T DE69227095T2 DE 69227095 T2 DE69227095 T2 DE 69227095T2 DE 69227095 T DE69227095 T DE 69227095T DE 69227095 T DE69227095 T DE 69227095T DE 69227095 T2 DE69227095 T2 DE 69227095T2
Authority
DE
Germany
Prior art keywords
movements
convert
convex hulls
polyhedra
concave
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.)
Expired - Fee Related
Application number
DE69227095T
Other languages
English (en)
Other versions
DE69227095D1 (de
Inventor
Andrew S Glassner
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69227095D1 publication Critical patent/DE69227095D1/de
Publication of DE69227095T2 publication Critical patent/DE69227095T2/de
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
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
DE69227095T 1991-12-30 1992-12-21 Bewegungen zur Umwandlung von konkaven Polyedern in ihre konvexen Hüllen Expired - Fee Related DE69227095T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/814,165 US5428717A (en) 1991-12-30 1991-12-30 Methods for converting concave polyhedra to their convex hulls

Publications (2)

Publication Number Publication Date
DE69227095D1 DE69227095D1 (de) 1998-10-29
DE69227095T2 true DE69227095T2 (de) 1999-04-08

Family

ID=25214339

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227095T Expired - Fee Related DE69227095T2 (de) 1991-12-30 1992-12-21 Bewegungen zur Umwandlung von konkaven Polyedern in ihre konvexen Hüllen

Country Status (4)

Country Link
US (1) US5428717A (de)
EP (1) EP0550235B1 (de)
JP (1) JP3209598B2 (de)
DE (1) DE69227095T2 (de)

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US5771045A (en) * 1995-10-23 1998-06-23 Hewlett-Packard Company Method for polygon decomposition
US6075541A (en) * 1997-11-07 2000-06-13 Trimble Naviagtion Limited Topographic triangulation in reduced time
US6421051B1 (en) * 1998-06-18 2002-07-16 Spatial Corporation Multi-resolution geometry
US6362820B1 (en) * 1999-06-24 2002-03-26 Microsoft Corporation Quadric metric for simplifying meshes with appearance attributes
JP3316758B2 (ja) * 1999-12-13 2002-08-19 インターナショナル・ビジネス・マシーンズ・コーポレーション モルフィング処理装置、記憶媒体、および動画作成装置
US6608631B1 (en) * 2000-05-02 2003-08-19 Pixar Amination Studios Method, apparatus, and computer program product for geometric warps and deformations
US6700586B1 (en) * 2000-08-23 2004-03-02 Nintendo Co., Ltd. Low cost graphics with stitching processing hardware support for skeletal animation
JP4541533B2 (ja) * 2000-11-24 2010-09-08 パナソニック株式会社 描画装置
US6900800B2 (en) * 2001-02-27 2005-05-31 David Robert Baldwin Tile relative origin for plane equations
WO2004077349A2 (en) * 2003-02-27 2004-09-10 Arizona Board Of Regents, A Body Corporate Of The State Of Arizona, Acting For And On Behal Of Arizona State University Comparative and analytic apparatus and method for converting two-dimensional bit map data into three-dimensional data
US7075532B2 (en) * 2003-05-23 2006-07-11 International Business Machines Corporation Robust tetrahedralization and triangulation method with applications in VLSI layout design and manufacturability
JP4275593B2 (ja) * 2004-08-09 2009-06-10 富士通株式会社 接触定義装置、接触定義プログラム、接触定義方法
KR100634537B1 (ko) * 2005-02-04 2006-10-13 삼성전자주식회사 3차원 영상의 삼각 분할 장치 및 방법과 그 장치를제어하는 컴퓨터 프로그램을 저장하는 컴퓨터로 읽을 수있는 기록 매체
US7256785B1 (en) * 2005-04-19 2007-08-14 Adobe Systems Incorporated Assigning subpath attributes in a drawing
US7646386B2 (en) * 2005-04-19 2010-01-12 Adobe Systems Incorporated Modifying a path in a drawing
US7502028B1 (en) * 2005-04-19 2009-03-10 Adobe Systems Incorporated Assigning region attributes in a drawing
US7616203B1 (en) * 2006-01-20 2009-11-10 Adobe Systems Incorporated Assigning attributes to regions across frames
JP4894369B2 (ja) * 2006-06-19 2012-03-14 富士通株式会社 ３次元モデルの画像処理装置
US20080225037A1 (en) * 2007-03-15 2008-09-18 Basimah Khulusi Apparatus and method for truncating polyhedra
US8599195B2 (en) * 2007-03-15 2013-12-03 Basimah Khulusi Apparatus and method for modeling all matter by modeling, truncating, and creating N-dimensional polyhedra including those having holes, concave attributes, and no symmetry
US20090284528A1 (en) * 2008-05-15 2009-11-19 Tyson Wayne Jensen Software processing apparatus and method for creating three-dimensional topologically complete surface boundary representations from arbitrary polygon models
US8983643B2 (en) * 2010-01-15 2015-03-17 Stratasys, Inc. Method for generating and building support structures with deposition-based digital manufacturing systems
JP6086188B2 (ja) * 2012-09-04 2017-03-01 ソニー株式会社 音響効果調整装置および方法、並びにプログラム
US9734798B2 (en) 2015-03-17 2017-08-15 Dreamworks Animation Llc Timing-based scheduling for computer-generated animation
US11250629B2 (en) * 2020-05-22 2022-02-15 Seek Xr, Llc Systems and methods for optimizing a model file
CN112270679B (zh) * 2020-11-19 2022-04-22 浙江大学 一种结合凹点与凹边的凸多边形轮廓的图像分割方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974177A (en) * 1985-10-04 1990-11-27 Daikin Industries Ltd. Mapping circuit of a CRT display device
US4901251A (en) * 1986-04-03 1990-02-13 Advanced Micro Devices, Inc. Apparatus and methodology for automated filling of complex polygons
JPS63238665A (ja) * 1987-03-26 1988-10-04 Toshiba Corp 離散化用３角形メツシユの形成装置
US4962468A (en) * 1987-12-09 1990-10-09 International Business Machines Corporation System and method for utilizing fast polygon fill routines in a graphics display system
JP2790815B2 (ja) * 1988-08-10 1998-08-27 株式会社リコー 画像データ圧縮方法
US5129051A (en) * 1990-03-16 1992-07-07 Hewlett-Packard Company Decomposition of arbitrary polygons into trapezoids
US5189626A (en) * 1991-03-27 1993-02-23 Caterpillar Inc. Automatic generation of a set of contiguous surface patches on a computer modeled solid

Also Published As

Publication number Publication date
EP0550235B1 (de) 1998-09-23
US5428717A (en) 1995-06-27
JP3209598B2 (ja) 2001-09-17
DE69227095D1 (de) 1998-10-29
EP0550235A2 (de) 1993-07-07
EP0550235A3 (de) 1994-01-19
JPH05258018A (ja) 1993-10-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee