AutoCAD 2007 入门教程-绘制边界网格

断点

出自：网络

    在前面我们介绍了线架模型的绘制方法，在这里将要介绍表面模型和实体模型的绘制方法。表面模型用面描述三维对象，它不仅定义了三维对象的边界，而且还定义了表 面即具有面的特征。实体模型不仅具有线和面的特征，而且还具有体的特征，各实体对象间可以进行各种布尔运算操作，从而创建复杂的三维实体图形。

　　绘制边界网格

　　选择 “ 绘图 ” | “ 建模 ” | “ 网格 ” | “ 边界网格 ” 命令 (EDGESURF) ，可以使用 4 条首尾连接的边创建三维多边形网格。这时可在命令行的

　　“ 选择用作曲面边界的对象 1: ” 提示信息下选择第一条曲线，

　　在命令行的 “ 选择用作曲面边界的对象 2: ” 提示信息下选择第二条曲线，

　　在命令行的 “ 选择用作曲面边界的对象 3: ” 提示信息下选择第三条曲线，

　　在命令行的 “ 选择用作曲面边界的对象 4:” 提示信息下选择第四条曲线。

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