Based on the features of garment, three relations are firstly introduced as the constraints of garment geometric elements, then a constraint graph is established, which describes the relations of garment geometric elements.
以约束关系为基础，建立面向服装的几何约束图，有效地表达服装几何元素及其相互关系。
参考来源 - 基于人体特征的服装CAD参数化技术研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
功能约束图由两部分组成：时间约束图和功能权值。
Functional constraint graph is composed of the time constraint graph and the function weight.
最后，提出一个算法对简化的约束图进行分析，得到指针信息。
Finally, an algorithm is given to analyze the simplified constraint graph such that the pointer's information is obtained.
并利用改进的垂直平面扫描算法生成由约束图模型定义的约束图。
And the constraint-graph-model-de-fined constraint graph is generated by using improved vertical plane scanning algorithm.
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