Closed surface modeling with helical line measurement data |
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Authors: | Li Ruqiong Li Guangbu and Wang Yuhan |
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Affiliation: | (1) School of Machinery and Electronics, Shanghai Normal University, Shanghai, 201418, China;(2) School of Machinery and Dynamic, Shanghai Jiaotong University, Shanghai, 200030, China |
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Abstract: | Models for surface modeling of free-form surface and massive data points are becoming an important feature in commercial computer
aided design/computer-aided manufacturing software. However, there are many problems to be solved in this area, especially
for closed free-form surface modeling. This article presents an effective method for cloud data closed surface modeling from
asynchronous profile modeling measurement. It includes three steps: first, the cloud data are preprocessed for smoothing;
second, a helical line is segmented to form triangle meshes; and third, Bezier surface patches are created over a triangle
mesh and trimmed to shape on an entire surface. In the end, an illustrative example of shoe last surface modeling is given
to show the availability of this method.
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Translated from Journal of Machine Design and Research, 2006, 22(3): 60–63 译自: 机械设计与研究] |
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Keywords: | reverse engineering surface modeling cloud data asynchronous profile modeling measurement |
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