Journal of Graphic Science of Japan
Online ISSN : 1884-6106
Print ISSN : 0387-5512
ISSN-L : 0387-5512
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Volume 26, Issue 1
Displaying 1-5 of 5 articles from this issue
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  • Various Intersection Line Shapes of Two Oblique Cylinders
    Hiroshi HAYASAKA
    1992 Volume 26 Issue 1 Pages 3-9
    Published: 1992
    Released on J-STAGE: August 25, 2010
    DOIhttps://doi.org/10.5989/jsgs.26.3
    JOURNAL FREE ACCESS
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    It is well know there are various kinds of intersection line shapes of two oblique intersecting cylinders. In this paper, these shapes are classified in detail using Hyper Talk as a computer language. As a result of analysis, it is found that there are eight different shapes for intersection line of two oblique intersecting cylinders. These shapes are described as leaf shapes and are classified into the following eight shapes, 1. Four leaves connected at two knots, 2. Two leaves connected at a back knot and tilted to the right side, 3. Two leaves connected at a back knot and tilted to the left side, 4. Two leaves connected at a front knot and tilted to the right side, 5. Two leaves connected at a front knot and tilted to the left side, 6. One leaf (like a saddle) 7. Two independent leaves (right tilted) 8. Two independent leaves (left tilted) . These relationships are summarized in a table. If the intersecting conditions of how the traces of the limiting planes intersect both cylinder are known, the table can provide the intersection line shape.
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  • Line Drawing Method with Variable Linewidth for Rendering
    Kunio KONDO, Akira KANBARA, Hisashi SATO, Shizuo SHIMADA, Feng Wu Shan ...
    1992 Volume 26 Issue 1 Pages 11-15
    Published: 1992
    Released on J-STAGE: August 25, 2010
    DOIhttps://doi.org/10.5989/jsgs.26.11
    JOURNAL FREE ACCESS
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    The objective oh this study is the development of a method which draw high quality pictures of line drawing with variable linewidth easiliy and quickly. It is basically important that the representation method makes it easy to understand 3-D shape pictures. This paper presents (1) a system of line drawing for high quality pictures ; (2) line drawing method with variable Linewidth ; (3) a construction of the PostRender system (Rendering system of line drawing using Post Script printer) ; (4) examples of line drawing using this system.
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1992 Volume 26 Issue 1 Pages 17-22
    Published: 1992
    Released on J-STAGE: August 25, 2010
    DOIhttps://doi.org/10.5989/jsgs.26.17
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1992 Volume 26 Issue 1 Pages 23-34
    Published: 1992
    Released on J-STAGE: August 25, 2010
    DOIhttps://doi.org/10.5989/jsgs.26.23
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1992 Volume 26 Issue 1 Pages 35-42
    Published: 1992
    Released on J-STAGE: August 25, 2010
    DOIhttps://doi.org/10.5989/jsgs.26.35
    JOURNAL FREE ACCESS
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