Head up display oriented distortionless drawing algorithm of arc

Yuanhao Guo; Weijie Xia; Yuzhi Zhou; Han Li

doi:10.1117/12.2674595

23 May 2023 Head up display oriented distortionless drawing algorithm of arc

Yuanhao Guo, Weijie Xia, Yuzhi Zhou, Han Li

Proceedings Volume 12604, International Conference on Computer Graphics, Artificial Intelligence, and Data Processing (ICCAID 2022); 126044O (2023) https://doi.org/10.1117/12.2674595
Event: 2nd International Conference on Computer Graphics, Artificial Intelligence, and Data Processing (ICCAID 2022), 2022, Guangzhou, China

Abstract

Arc is one of the most basic graphics that constitute computer graphics. In many display systems, it is necessary to draw an arc with arbitrary line width, radius, and span. Airborne head up display as an important human-computer interface, the requirements for arc display are more strict. The commonly used rasterization algorithms, such as four line method has poor anti aliasing effect at the endpoint of the arc, which cannot meet the requirements for airborne display, and seriously affects the visual perception of pilots. In order to solve the problem of the existing technology, this paper proposes a head up display oriented undistorted drawing algorithm of arc, on the premise of ensuring the quality of arc display, the focus of this paper is on the optimization of anti aliasing of arc endpoint, which can solve the problem of poor anti aliasing effect of arc tangent plane and that the extension line of arc tangent plane does not pass through the center of the circle. This algorithm can be applied to any line width, radius, and span, and has low hardware requirements.

Citation Download Citation

Yuanhao Guo, Weijie Xia, Yuzhi Zhou, and Han Li "Head up display oriented distortionless drawing algorithm of arc", Proc. SPIE 12604, International Conference on Computer Graphics, Artificial Intelligence, and Data Processing (ICCAID 2022), 126044O (23 May 2023); https://doi.org/10.1117/12.2674595

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KEYWORDS

Aliasing

Heads up displays

Visualization

Evolutionary algorithms

Displays

Mathematical optimization

Computer hardware

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