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【CAD插件】完善线元法相关计算 前文线元法完成线路图中线绘制，本文将完善线元法的相关计算，主要计算有：线路坐标正算、线路坐标反算、构筑物计算、用地红线计算。这些计算与先开发的交点法平曲线功能对应。 实际上我编写的交点法平曲线已涵盖所有3线元组合模式的交点线路计算，只要设计数据是交点法模式就可以计算。编写线元法主要因为是有些平曲线是以线元法给出的，这样用我的插件会有一个线元法到交点法的一个转换，为了省去这一步，同时程序功能进一步完善。注：该功能是由交点法计算衍生出的功能，在“测量言助手”属于收费项目！
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