GB2238215B - Method and apparatus for a computer display system with a three dimensional cursor shadow - Google Patents

Method and apparatus for a computer display system with a three dimensional cursor shadow

Info

Publication number
GB2238215B
GB2238215B GB9023830A GB9023830A GB2238215B GB 2238215 B GB2238215 B GB 2238215B GB 9023830 A GB9023830 A GB 9023830A GB 9023830 A GB9023830 A GB 9023830A GB 2238215 B GB2238215 B GB 2238215B
Authority
GB
United Kingdom
Prior art keywords
shadow
display system
computer display
dimensional cursor
cursor
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
GB9023830A
Other versions
GB2238215A (en
GB9023830D0 (en
Inventor
Daniel S Venolia
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.)
Apple Inc
Original Assignee
Apple Computer 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 Apple Computer Inc filed Critical Apple Computer Inc
Publication of GB9023830D0 publication Critical patent/GB9023830D0/en
Publication of GB2238215A publication Critical patent/GB2238215A/en
Application granted granted Critical
Publication of GB2238215B publication Critical patent/GB2238215B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G09G5/08—Cursor circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/04812—Interaction techniques based on cursor appearance or behaviour, e.g. being affected by the presence of displayed objects
    • 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
    • G06T15/60—Shadow generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Processing Or Creating Images (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Digital Computer Display Output (AREA)
  • Image Generation (AREA)
GB9023830A 1989-11-13 1990-11-02 Method and apparatus for a computer display system with a three dimensional cursor shadow Expired - Fee Related GB2238215B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43555389A 1989-11-13 1989-11-13

Publications (3)

Publication Number Publication Date
GB9023830D0 GB9023830D0 (en) 1990-12-12
GB2238215A GB2238215A (en) 1991-05-22
GB2238215B true GB2238215B (en) 1994-05-11

Family

ID=23728856

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023830A Expired - Fee Related GB2238215B (en) 1989-11-13 1990-11-02 Method and apparatus for a computer display system with a three dimensional cursor shadow

Country Status (5)

Country Link
JP (1) JPH03211686A (en)
AU (1) AU632628B2 (en)
CA (1) CA2028902A1 (en)
FR (1) FR2654530B1 (en)
GB (1) GB2238215B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2558984B2 (en) * 1991-03-12 1996-11-27 松下電器産業株式会社 3D information conversation system
JPH0816137A (en) * 1994-06-29 1996-01-19 Nec Corp Three-dimensional coordinate input device and cursor display control system
SE519661C2 (en) * 1996-02-23 2003-03-25 Immersion Corp Pointing devices and method for marking graphic details on a display with sensory feedback upon finding said detail
US6166718A (en) * 1996-06-18 2000-12-26 Konami Co., Ltd. Video game system with vertical array of cursor images
WO2008038215A2 (en) * 2006-09-29 2008-04-03 Koninklijke Philips Electronics N.V. 3d connected shadow mouse pointer
JP4612031B2 (en) * 2007-09-28 2011-01-12 株式会社コナミデジタルエンタテインメント Image generating apparatus, image generating method, and program
US9324183B2 (en) 2011-11-29 2016-04-26 Apple Inc. Dynamic graphical interface shadows
US9372593B2 (en) 2011-11-29 2016-06-21 Apple Inc. Using a three-dimensional model to render a cursor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177577A (en) * 1985-06-19 1987-01-21 Pixar Pseudo-random point sampling techniques in computer graphics
EP0358493A2 (en) * 1988-09-09 1990-03-14 International Business Machines Corporation Graphics system
GB2223384A (en) * 1988-07-14 1990-04-04 Daikin Ind Ltd Shadow algorithm

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1317041C (en) * 1987-12-24 1993-04-27 Ncr Corporation Apparatus for creating a cursor pattern by strips related to individual scan lines
GB2220826A (en) * 1988-07-06 1990-01-17 British Aerospace A force/torque display for robotic arm
AU618133B2 (en) * 1988-11-04 1991-12-12 Wang Laboratories, Inc. Computer input device using an orientation sensor
JPH03161792A (en) * 1989-11-20 1991-07-11 Fanuc Ltd Three-dimensional cursor and offline programming system using this cursor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177577A (en) * 1985-06-19 1987-01-21 Pixar Pseudo-random point sampling techniques in computer graphics
GB2223384A (en) * 1988-07-14 1990-04-04 Daikin Ind Ltd Shadow algorithm
EP0358493A2 (en) * 1988-09-09 1990-03-14 International Business Machines Corporation Graphics system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
esp. pp 551 and 584-588 *
JD Foley & A Van Dam, "Fundamentals of Interactive Computer Graphics", 1984, Addison-Wesley, *

Also Published As

Publication number Publication date
GB2238215A (en) 1991-05-22
FR2654530A1 (en) 1991-05-17
AU6455390A (en) 1991-05-16
CA2028902A1 (en) 1991-05-14
JPH03211686A (en) 1991-09-17
AU632628B2 (en) 1993-01-07
GB9023830D0 (en) 1990-12-12
FR2654530B1 (en) 1995-06-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971102