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为解决公路CAD中分段设计线无缝衔接的难题,该文提出了一种基于虚拟设计线的新设计线构建方法。通过将多条设计线虚拟成单条设计线,并定义多条设计线之间的相互关系与桩号处理方法,扩展了现有设计线结构,实现了分段设计线的无缝表达。以基于公路CAD软件原型系统的实现与应用,验证了方法的可行性与有效性。
In order to solve the problem of the seamless connection of segmented design lines in highway CAD, this paper proposes a new design line construction method based on virtual design lines. By virtualizing multiple design lines into a single design line and defining the relationship between multiple design lines and the stake processing method, the existing design line structure is expanded and the seamless design of the segmented design line is realized. Based on the realization and application of highway CAD software prototype system, the feasibility and effectiveness of the method are verified.