论述一下三维制图技术对地理要素描述的优势

论述一下三维制图技术对地理要素描述的优势
2025-03-14 22:03:23
推荐回答(1个)
回答1:

设计人员不再仅仅满足于借助CAD系统来达到“甩图版”的目的。而是希望它能从本质上减轻大量简单烦琐的工作量,使他们能集中精力于那些富有创造性的高层次思维活动中。由于三维CAD系统具有可视化好、形象直观、设计效率高、以及能为数字化的各类应用环节提供完整的设计、工艺、制造信息等优势,使其取代传统的纯二维CAD系统已成为历史发展的必然。
通过对二维和三维CAD系统的分析,可以看到:三维CAD系统有较好的造型工具,能实现“自顶向底”和“自底向顶”等设计方法,实现装配等复杂设计过程,使设计更加符合实际设计过程;随着零件复杂程度的增加,用三维造型系统来表达零件的难度远比用二维图形系统增加得快;三维造型系统能方便地与CAE系统相连,进行仿真分析;能提供数控加工所需的信息,实现CAD/CAE/CAPP/CAM的集成。

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