Identifying features in reconstructing 3D solids from sectional views

机译：识别从截面视图重建3D固体的功能

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Sectional views are widely used in engineering practice due to their clear and concise expression. However, large numbers of entities are missing in sectional views that makes it hard for computer to understand drawings. Feature identification is the key procedure for solids reconstruction from sectional views. Based on the analysis of the default drawing rules appearing in sectional views, a new algorithm is presented to identify and construct elemental objects in the procedure of volume-based 3D solids reconstruction. In this algorithm, a hint-based search strategy with priority principles is developed for identifying elemental features, even some of them do not have complete expression in 2D views. The algorithm is suitable for full sections, partial sections and offset sections, and there is no restriction on the number of sectional views included in one drawing. Experimental results validate our algorithm.

机译：由于其清晰和简洁的表达，截面视图广泛用于工程实践中。然而，在截面视图中缺少大量实体，使计算机难以理解图纸。特征标识是从截面视图中重建的实体重建的关键过程。基于对截面看法中出现的默认绘制规则的分析，提出了一种新的算法来识别和构建基于卷的3D实体重建过程中的元素对象。在该算法中，开发了一种具有优先原理的基于提示的搜索策略，用于识别元素特征，即使它们中的一些也没有2D视图中的完整表达式。该算法适用于完整的部分，部分部分和偏移部分，并且对一个图中包括的截面视图的数量没有限制。实验结果验证了我们的算法。

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《IEEE International Conference on Computer-Aided Design and Computer Graphics》|2009年||共6页
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中图分类 TP391.72-53;
关键词
CAD; engineering graphics; feature extraction; solid modelling; technical drawing; 2D CAD system; 2D view; engineering drawing rule; full section; hint-based feature identification algorithm; hint-based search strategy; offset section; partial section; priority principle; sectional view; volume-based 3D solid reconstruction algorithm;

机译：CAD;工程图形;特征提取;实体造型;技术绘图;2D CAD系统;2D视图;工程绘图规则;完全部分;基于文学的特征识别算法;基于提示的搜索策略;偏移部分;部分部分;优先原则;剖视图;基于体积的3D实体重建算法;

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Identifying features in reconstructing 3D solids from sectional views

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