说明光滑表面

Proceedings of the 27th annual conference on Computer graphics and interactive techniques Pub Date : 2000-07-01 DOI:10.1145/344779.345074

Aaron Hertzmann, D. Zorin

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引用次数: 670

摘要

我们提出了一套新的光滑曲面的线条绘制算法。我们介绍了一种基于几何对偶的高效、确定性的轮廓查找算法，以及一种将轮廓曲线分割为具有恒定可见性的光滑部分的算法。这些方法可以在软件中实时找到所有的轮廓。提出了一种自动生成舱口标记的方法，以传递曲面形状。我们用一种受G. Francis的《拓扑图画书》启发的绘画风格来演示这些算法。

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Illustrating smooth surfaces

We present a new set of algorithms for line-art rendering of smooth surfaces. We introduce an efficient, deterministic algorithm for finding silhouettes based on geometric duality, and an algorithm for segmenting the silhouette curves into smooth parts with constant visibility. These methods can be used to find all silhouettes in real time in software. We present an automatic method for generating hatch marks in order to convey surface shape. We demonstrate these algorithms with a drawing style inspired by A Topological Picturebook by G. Francis.

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Proceedings of the 27th annual conference on Computer graphics and interactive techniques

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