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Hierarchical Rasterization of Curved Primitives for Vector Graphics Rendering on the GPU.

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Title: Hierarchical Rasterization of Curved Primitives for Vector Graphics Rendering on the GPU.
Authors: Dokter, Mark1,2, Hladky, Jozef2, Parger, Mathias1, Schmalstieg, Dieter1, Seidel, Hans‐Peter2, Steinberger, Markus1,2
Source: Computer Graphics Forum. May2019, Vol. 38 Issue 2, p93-103. 11p. 10 Diagrams, 2 Charts, 2 Graphs.
Subjects: Vector graphics, Graphics processing units, Polygons, Approximation theory, Numerical analysis
Abstract: In this paper, we introduce the CPatch, a curved primitive that can be used to construct arbitrary vector graphics. A CPatch is a generalization of a 2D polygon: Any number of curves up to a cubic degree bound a primitive. We show that a CPatch can be rasterized efficiently in a hierarchical manner on the GPU, locally discarding irrelevant portions of the curves. Our rasterizer is fast and scalable, works on all patches in parallel, and does not require any approximations. We show a parallel implementation of our rasterizer, which naturally supports all kinds of color spaces, blending and super‐sampling. Additionally, we show how vector graphics input can efficiently be converted to a CPatch representation, solving challenges like patch self intersections and false inside‐outside classification. Results indicate that our approach is faster than the state‐of‐the‐art, more flexible and could potentially be implemented in hardware. [ABSTRACT FROM AUTHOR]
Copyright of Computer Graphics Forum is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Computer+Graphics+Forum%22">Computer Graphics Forum</searchLink>. May2019, Vol. 38 Issue 2, p93-103. 11p. 10 Diagrams, 2 Charts, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Vector+graphics%22">Vector graphics</searchLink><br /><searchLink fieldCode="DE" term="%22Graphics+processing+units%22">Graphics processing units</searchLink><br /><searchLink fieldCode="DE" term="%22Polygons%22">Polygons</searchLink><br /><searchLink fieldCode="DE" term="%22Approximation+theory%22">Approximation theory</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink>
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  Data: In this paper, we introduce the CPatch, a curved primitive that can be used to construct arbitrary vector graphics. A CPatch is a generalization of a 2D polygon: Any number of curves up to a cubic degree bound a primitive. We show that a CPatch can be rasterized efficiently in a hierarchical manner on the GPU, locally discarding irrelevant portions of the curves. Our rasterizer is fast and scalable, works on all patches in parallel, and does not require any approximations. We show a parallel implementation of our rasterizer, which naturally supports all kinds of color spaces, blending and super‐sampling. Additionally, we show how vector graphics input can efficiently be converted to a CPatch representation, solving challenges like patch self intersections and false inside‐outside classification. Results indicate that our approach is faster than the state‐of‐the‐art, more flexible and could potentially be implemented in hardware. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Computer Graphics Forum is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/cgf.13622
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 93
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      – SubjectFull: Vector graphics
        Type: general
      – SubjectFull: Graphics processing units
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      – SubjectFull: Polygons
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      – SubjectFull: Approximation theory
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      – SubjectFull: Numerical analysis
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      – TitleFull: Hierarchical Rasterization of Curved Primitives for Vector Graphics Rendering on the GPU.
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              Text: May2019
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