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EA200601977A2 - Способ аппроксимации редактируемой поверхности и устройство для его осуществления - Google Patents

Способ аппроксимации редактируемой поверхности и устройство для его осуществления

Info

Publication number
EA200601977A2
EA200601977A2 EA200601977A EA200601977A EA200601977A2 EA 200601977 A2 EA200601977 A2 EA 200601977A2 EA 200601977 A EA200601977 A EA 200601977A EA 200601977 A EA200601977 A EA 200601977A EA 200601977 A2 EA200601977 A2 EA 200601977A2
Authority
EA
Eurasian Patent Office
Prior art keywords
approximation
implementation
editable surface
represented
editable
Prior art date
Application number
EA200601977A
Other languages
English (en)
Other versions
EA200601977A3 (ru
EA012579B1 (ru
Inventor
Шон А. Спайсер
Зитао Чжу
Original Assignee
Лэндмарк Грэфикс Корпорейшн, Э Хэллибертон Кампани
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 Лэндмарк Грэфикс Корпорейшн, Э Хэллибертон Кампани filed Critical Лэндмарк Грэфикс Корпорейшн, Э Хэллибертон Кампани
Publication of EA200601977A2 publication Critical patent/EA200601977A2/ru
Publication of EA200601977A3 publication Critical patent/EA200601977A3/ru
Publication of EA012579B1 publication Critical patent/EA012579B1/ru

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/30—Polynomial surface description

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Graphics (AREA)
  • Software Systems (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Geometry (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Or Creating Images (AREA)
  • Image Processing (AREA)
  • Numerical Control (AREA)
  • Image Generation (AREA)
  • Stored Programmes (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

Раскрыты способ и устройство автоматической аппроксимации по комплекту трехмерных данных или по трехмерному точечному множеству доступной для редактирования поверхности, которая может изображаться в виде поверхности, представленной рациональной совокупностью последовательных неоднородных сложно-профильных кривых (NURBS).
EA200601977A 2004-04-29 2005-04-29 Способ аппроксимации редактируемой поверхности и устройство для его осуществления EA012579B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56657404P 2004-04-29 2004-04-29
PCT/US2005/014937 WO2005108923A2 (en) 2004-04-29 2005-04-29 System and method for approximating an editable surface

Publications (3)

Publication Number Publication Date
EA200601977A2 true EA200601977A2 (ru) 2007-04-27
EA200601977A3 EA200601977A3 (ru) 2008-02-28
EA012579B1 EA012579B1 (ru) 2009-10-30

Family

ID=35320836

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200601977A EA012579B1 (ru) 2004-04-29 2005-04-29 Способ аппроксимации редактируемой поверхности и устройство для его осуществления

Country Status (10)

Country Link
US (2) US7352369B2 (ru)
EP (1) EP1756517B1 (ru)
CN (1) CN100576250C (ru)
AU (1) AU2005241463C1 (ru)
BR (1) BRPI0509830A (ru)
CA (1) CA2564156C (ru)
EA (1) EA012579B1 (ru)
MX (1) MXPA06012485A (ru)
NO (1) NO339362B1 (ru)
WO (1) WO2005108923A2 (ru)

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Also Published As

Publication number Publication date
EP1756517A2 (en) 2007-02-28
MXPA06012485A (es) 2007-06-19
WO2005108923A2 (en) 2005-11-17
US20080129731A1 (en) 2008-06-05
AU2005241463A1 (en) 2005-11-17
CN101052997A (zh) 2007-10-10
CA2564156C (en) 2014-04-08
EP1756517B1 (en) 2020-05-13
BRPI0509830A (pt) 2007-10-16
EP1756517A4 (en) 2011-01-26
CA2564156A1 (en) 2005-11-17
WO2005108923A3 (en) 2007-06-14
NO339362B1 (no) 2016-12-05
AU2005241463C1 (en) 2010-07-29
AU2005241463B2 (en) 2010-01-28
US7576743B2 (en) 2009-08-18
EA200601977A3 (ru) 2008-02-28
US20050246130A1 (en) 2005-11-03
US7352369B2 (en) 2008-04-01
EA012579B1 (ru) 2009-10-30
NO20065397L (no) 2007-01-24
CN100576250C (zh) 2009-12-30

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM BY KG MD TJ

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AZ KZ TM RU