IEEE Computer Graphics and Applications

Issue 9 • Sept. 1986

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  • IEEE Computer Graphics and Applications

    Publication Year: 1986, Page(s): c1
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  • Apollo Frees the Thousands of Engineers Being Held Powerless by Their Personal Computers [advertisement]

    Publication Year: 1986, Page(s):c2 - 1
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  • IEEE Computer Society

    Publication Year: 1986, Page(s): 2
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  • Table of contents

    Publication Year: 1986, Page(s): 3
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  • Digital Has It Now [advertisement]

    Publication Year: 1986, Page(s):4 - 5
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  • The Light Buffer: A Shadow-Testing Accelerator

    Publication Year: 1986, Page(s):6 - 16
    Cited by:  Papers (50)  |  Patents (8)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (10257 KB)

    In one area of computer graphics, realistic image synthesis, the ultimate goal is to produce a picture indistinguishable from a photograph of a real environment. A particularly powerful technique for simulating light reflection-an important element in creating this realism-is called ray tracing. This method produces images of excellent quality, but suffers from lengthy computation time that limits... View full abstract»

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  • A General Version of Crow's Shadow Volumes

    Publication Year: 1986, Page(s):17 - 28
    Cited by:  Papers (19)  |  Patents (17)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (12803 KB)

    In 1977 Frank Crow introduced a new class of algorithm for the generation of shadows. His technique, based on the concept of shadow volumes, assumes a polygonal database and a constrained environment. For example, polyhedrons must be closed, and polygons must be planar. This article presents a new version of Crow's algorithm, developed at the Universite de Montreal, which attempts a less constrain... View full abstract»

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  • Depth-Buffering Display Techniques for Constructive Solid Geometry

    Publication Year: 1986, Page(s):29 - 39
    Cited by:  Papers (30)  |  Patents (14)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (10734 KB)

    Solid modelers based on constructive solid geometry (CSG) typically generate shaded displays directly from CSG by using ray-casting techniques, which do not require informatin on the faces, edges, and vertices that bound a solid. This article describes an alternative-a simple new algorithm based on a depth-buffering or z-buffering approach. The z-buffer display algorithm operates directly on CSG, ... View full abstract»

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  • Two-Part Texture Mappings

    Publication Year: 1986, Page(s):40 - 53
    Cited by:  Papers (40)  |  Patents (10)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (10472 KB)

    Most published techniques for mapping two-dimensional texture patterns onto three-dimensional curved surfaces assume that either the texture pattern has been predistorted to compensate for the distortion of the mapping or the curved surfaces are represented parametrically. We address the problem of mapping undistorted planar textures onto arbitrarily represented surfaces. Our mapping technique is ... View full abstract»

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  • Letters to the Editor

    Publication Year: 1986, Page(s):54 - 67
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  • Fall Joint Computer Conference

    Publication Year: 1986, Page(s):55 - 63
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  • A Different Perspective on Space

    Publication Year: 1986, Page(s):64 - 66
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  • New products

    Publication Year: 1986, Page(s):68 - 72
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  • Seletive Update

    Publication Year: 1986, Page(s):73 - 76
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  • Book reviews

    Publication Year: 1986, Page(s): 77
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  • Professional Calendar

    Publication Year: 1986, Page(s):78 - 79
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  • Advertiser Index - September 1986

    Publication Year: 1986, Page(s): 80
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  • IEEE Computer Graphics and Applications [reader survey]

    Publication Year: 1986, Page(s):80a - 80b
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  • May 25-28??1987 Karuizawa Japan International'87

    Publication Year: 1986, Page(s): 80c
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  • K.I.S.S. Multi-Pass Goodbye [advertisement]

    Publication Year: 1986, Page(s): 80d
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Aims & Scope

IEEE CG&A bridges the theory and practice of computer graphics. From specific algorithms to full system implementations, CG&A offers a unique combination of peer-reviewed feature articles and informal departments, including product announcements.

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Meet Our Editors

Editor-in-Chief
L. Miguel Encarnação
The QED Group