CA1264879A - Data transformation and clipping in a graphics display system - Google Patents

Data transformation and clipping in a graphics display system

Info

Publication number
CA1264879A
CA1264879A CA000523775A CA523775A CA1264879A CA 1264879 A CA1264879 A CA 1264879A CA 000523775 A CA000523775 A CA 000523775A CA 523775 A CA523775 A CA 523775A CA 1264879 A CA1264879 A CA 1264879A
Authority
CA
Canada
Prior art keywords
clipping
transformation
mapping
bit
determining whether
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
Application number
CA000523775A
Other languages
English (en)
French (fr)
Other versions
CA1264879C (en
Inventor
Bruce C. Hempel
Bob C.C. Liang
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1264879C publication Critical patent/CA1264879C/en
Publication of CA1264879A publication Critical patent/CA1264879A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/10—Geometric effects
    • G06T15/30—Clipping

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Computer Graphics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Generation (AREA)
  • Digital Computer Display Output (AREA)
CA000523775A 1986-01-21 1986-11-25 Data transformation and clipping in a graphics display system Expired CA1264879A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US821,363 1986-01-21
US06/821,363 US4821209A (en) 1986-01-21 1986-01-21 Data transformation and clipping in a graphics display system

Publications (2)

Publication Number Publication Date
CA1264879C CA1264879C (en) 1990-01-23
CA1264879A true CA1264879A (en) 1990-01-23

Family

ID=25233182

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000523775A Expired CA1264879A (en) 1986-01-21 1986-11-25 Data transformation and clipping in a graphics display system

Country Status (4)

Country Link
US (1) US4821209A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0232004A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS62264388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1264879A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231696A (en) * 1987-05-14 1993-07-27 France Telecom Process and circuitry for implementing plotting of overextending curves inside a display window
US5003497A (en) * 1988-12-15 1991-03-26 Sun Micosystems Inc Method for three-dimensional clip checking for computer graphics
US5079545A (en) * 1989-01-13 1992-01-07 Sun Microsystems, Inc. Apparatus and method for processing graphical information to minimize page crossings and eliminate processing of information outside a predetermined clip window
US4970636A (en) * 1989-01-23 1990-11-13 Honeywell Inc. Memory interface controller
US4982345A (en) * 1989-01-23 1991-01-01 International Business Machines Corporation Interactive computer graphics display system processing method for identifying an operator selected displayed object
US5051737A (en) * 1989-02-23 1991-09-24 Silicon Graphics, Inc. Efficient graphics process for clipping polygons
EP0569758A3 (en) * 1992-05-15 1995-03-15 Eastman Kodak Co Method and apparatus for creating and storing three-dimensional characters and for their three-dimensional composition.
US5684937A (en) * 1992-12-14 1997-11-04 Oxaal; Ford Method and apparatus for performing perspective transformation on visible stimuli
JPH0785308A (ja) * 1993-07-02 1995-03-31 Sony Corp 画像表示方法
USD362579S (en) 1994-09-26 1995-09-26 Short Daniel W Cushion with storage pockets
US6307559B1 (en) 1995-07-13 2001-10-23 International Business Machines Corporation Method and apparatus for color space conversion, clipping, and scaling of an image during blitting
US7542035B2 (en) * 1995-11-15 2009-06-02 Ford Oxaal Method for interactively viewing full-surround image data and apparatus therefor
US5877773A (en) * 1997-05-30 1999-03-02 Hewlett-Packard Company Multi-pass clipping in a geometry accelerator
US6137497A (en) * 1997-05-30 2000-10-24 Hewlett-Packard Company Post transformation clipping in a geometry accelerator
US7450165B2 (en) * 2003-05-02 2008-11-11 Grandeye, Ltd. Multiple-view processing in wide-angle video camera
US20050007453A1 (en) * 2003-05-02 2005-01-13 Yavuz Ahiska Method and system of simultaneously displaying multiple views for video surveillance
US7529424B2 (en) * 2003-05-02 2009-05-05 Grandeye, Ltd. Correction of optical distortion by image processing
US20100002070A1 (en) 2004-04-30 2010-01-07 Grandeye Ltd. Method and System of Simultaneously Displaying Multiple Views for Video Surveillance
US7528881B2 (en) * 2003-05-02 2009-05-05 Grandeye, Ltd. Multiple object processing in wide-angle video camera
US20050028215A1 (en) * 2003-06-03 2005-02-03 Yavuz Ahiska Network camera supporting multiple IP addresses
US20080211816A1 (en) * 2003-07-15 2008-09-04 Alienware Labs. Corp. Multiple parallel processor computer graphics system
US7119808B2 (en) * 2003-07-15 2006-10-10 Alienware Labs Corp. Multiple parallel processor computer graphics system
US7893985B1 (en) 2004-03-15 2011-02-22 Grandeye Ltd. Wide angle electronic camera with improved peripheral vision
US8427538B2 (en) * 2004-04-30 2013-04-23 Oncam Grandeye Multiple view and multiple object processing in wide-angle video camera
US7366359B1 (en) 2004-07-08 2008-04-29 Grandeye, Ltd. Image processing of regions in a wide angle video camera
WO2006040687A2 (en) * 2004-07-19 2006-04-20 Grandeye, Ltd. Automatically expanding the zoom capability of a wide-angle video camera
US20060062478A1 (en) * 2004-08-16 2006-03-23 Grandeye, Ltd., Region-sensitive compression of digital video
US8860780B1 (en) 2004-09-27 2014-10-14 Grandeye, Ltd. Automatic pivoting in a wide-angle video camera
US9141615B1 (en) 2004-11-12 2015-09-22 Grandeye, Ltd. Interactive media server
US7894531B1 (en) 2005-02-15 2011-02-22 Grandeye Ltd. Method of compression for wide angle digital video
US8723951B2 (en) * 2005-11-23 2014-05-13 Grandeye, Ltd. Interactive wide-angle video server
US7991225B2 (en) * 2006-03-03 2011-08-02 University Of Alaska Methods and systems for dynamic color equalization
US8767009B1 (en) * 2012-06-26 2014-07-01 Google Inc. Method and system for record-time clipping optimization in display list structure
CN110990106B (zh) * 2019-12-13 2023-03-31 腾讯云计算（北京）有限责任公司 数据展示方法、装置、计算机设备及存储介质

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816726A (en) * 1972-10-16 1974-06-11 Evans & Sutherland Computer Co Computer graphics clipping system for polygons
JPS5533286A (en) * 1978-08-31 1980-03-08 Fujitsu Ltd Data processor
US4449201A (en) * 1981-04-30 1984-05-15 The Board Of Trustees Of The Leland Stanford Junior University Geometric processing system utilizing multiple identical processors
NL8300872A (nl) * 1983-03-10 1984-10-01 Philips Nv Multiprocessor-rekenmachinesysteem voor het tot een gekleurde afbeelding verwerken van in een hierarchische datastruktuur gedefinieerde objekt-elementen.
US4645459A (en) * 1982-07-30 1987-02-24 Honeywell Inc. Computer generated synthesized imagery
US4667190A (en) * 1982-07-30 1987-05-19 Honeywell Inc. Two axis fast access memory
DE3275669D1 (en) * 1982-12-30 1987-04-16 Ibm Graphics display system and method
DE3381300D1 (de) * 1983-03-31 1990-04-12 Ibm Abbildungsraumverwaltung und wiedergabe in einem bestimmten teil des bildschirms eines virtuellen mehrfunktionsterminals.
US4679038A (en) * 1983-07-18 1987-07-07 International Business Machines Corporation Band buffer display system
US4646075A (en) * 1983-11-03 1987-02-24 Robert Bosch Corporation System and method for a data processing pipeline
JPS60181977A (ja) * 1984-02-29 1985-09-17 Usac Electronics Ind Co Ltd 線画処理方式
JPS60241175A (ja) * 1984-05-16 1985-11-30 Mitsubishi Electric Corp 図形処理装置
US4625289A (en) * 1985-01-09 1986-11-25 Evans & Sutherland Computer Corp. Computer graphics system of general surface rendering by exhaustive sampling
US4651278A (en) * 1985-02-11 1987-03-17 International Business Machines Corporation Interface process for an all points addressable printer

Also Published As

Publication number Publication date
EP0232004A3 (en) 1989-04-12
US4821209A (en) 1989-04-11
JPH0572627B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-10-12
EP0232004A2 (en) 1987-08-12
JPS62264388A (ja) 1987-11-17
CA1264879C (en) 1990-01-23

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Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 19980123