天天课堂 发表于 2009-8-19 14:31:00

移动、复制及旋转对象的方法

<p>打开文件"2-3.dwg"，用MOVE、COPY及ROTATE命令将图2-9中的左图修改为右图。这个练习的目的是使读者掌握移动、复制及旋转对象的方法。<br/><img width="530" height="208" alt="" src="http://www.ttketang.com/home/attachment/200908/19/113_12506508744o04.jpg" complete="complete"/><br/>2-9移动、复制及旋转对象<br/>操作范例--移动、复制及旋转对象<br/>1.&nbsp; &nbsp; &nbsp; &nbsp; 复制及旋转矩形，如图2-10所示。<br/>命令: _copy&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //复制对象<br/>选择对象: 找到 1 个&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //选择矩形A<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点或 [位移(D)] &lt;位移&gt;: 6,9&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //输入沿x、y轴复制的距离<br/>指定位移的第二点或 &lt;用第一点作位移&gt;:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键结束<br/>命令: _rotate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //旋转对象<br/>选择对象: 找到 1 个&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //选择矩形B<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点: int于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉交点C<br/>指定旋转角度，或 [复制(C)/参照(R)]: 22&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //输入旋转角度<br/>命令: _copy&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //复制对象<br/>选择对象: 找到 1 个&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //选择矩形B<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点或[位移(D)] &lt;位移&gt;: 10&lt;112&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //输入复制的距离和方向<br/>指定位移的第二点或 &lt;用第一点作位移&gt;:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键结束<br/>命令:COPY&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //重复命令<br/>选择对象: 找到 1 个&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //选择矩形B<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点或[位移(D)] &lt;位移&gt;: 20&lt;112&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //输入复制的距离和方向<br/>指定位移的第二点或 &lt;用第一点作位移&gt;:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键结束<br/>结果如图2-10所示。<br/><img width="276" height="183" alt="" src="http://www.ttketang.com/home/attachment/200908/19/113_1250650871342W.jpg" complete="complete"/><br/>2-10复制及旋转矩形<br/>知识难点：使用MOVE及COPY命令时，用户可以通过以下方式指明对象移动的距离和方向。<br/>（1）在屏幕上指定两个点，这两点的距离和方向代表了实体移动的距离和方向。<br/>当AutoCAD提示"指定基点或位移:"时，指定移动的基准点。在AutoCAD提示"指定位移的第二点或 &lt;用第一点作位移&gt;:"时，捕捉第二点或输入第二点相对于基准点的相对直角坐标或极坐标。<br/>（2）以"x，y"方式输入对象沿x、y轴移动的距离。或用"距离&lt;角度"方式输入对象位移的距离和方向。<br/>当AutoCAD提示"指定基点或位移:"时，输入位移值。在AutoCAD提示"指定位移的第二点或&lt;用第一点作位移&gt;:"时，按Enter键确认，这样AutoCAD就以输入的位移值移动实体对象。<br/>（3）打开正交状态，就能方便地将实体只沿x或y轴方向移动。<br/>当AutoCAD提示"指定基点或位移:"时，单击一点并把实体向水平或竖直方向移动（正交状态已打开），然后输入位移的数值。<br/>2.&nbsp; &nbsp; &nbsp; &nbsp; 旋转圆D、F，再绘制直线EH，如图2-11所示。<br/>命令: _rotate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //旋转对象<br/>选择对象: 找到 1 个&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //选择圆D，如图2-11左图所示<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点: int于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉交点E<br/>指定旋转角度，或 [复制(C)/参照(R)]: 32&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //输入旋转角度<br/>命令:ROTATE&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //旋转对象<br/>选择对象: 找到 1 个&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //选择圆F<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点: int于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉交点E<br/>指定旋转角度，或 [复制(C)/参照(R)]: r&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //使用"参照(R)"选项<br/>指定参照角 &lt;0&gt;: int于 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;//捕捉交点E<br/>指定第二点: cen于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉圆F的圆心<br/>指定新角度或 [点(P)] &lt;0&gt;: end于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉端点G<br/>命令: _line 指定第一点: int于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉交点E<br/>指定下一点或 [放弃(U)]: &lt;32&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //设定画线的角度<br/>指定下一点或 [放弃(U)]:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //在H点处单击一点，如图2-11右图所示<br/>指定下一点或 [放弃(U)]:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键结束<br/>再将线段EH修改到中心线层上，结果如图2-11右图所示。<br/><img width="507" height="182" alt="" src="http://www.ttketang.com/home/attachment/200908/19/113_12506508724xYD.jpg" complete="complete"/><br/>2-11复制及旋转矩形<br/>知识难点：ROTATE命令的选项。<br/>指定旋转角度：指定旋转基点并输入绝对旋转角度来旋转实体。旋转角是基于当前用户坐标系测量的。如果输入负的旋转角，则选定的对象顺时针旋转，反之被选择的对象将逆时针旋转。<br/>参照(R)：指定某个方向作为起始参照角，然后选择一个新对象以指定原对象要旋转到的位置，也可以输入新角度值来指明要旋转到的方位。<br/>3.&nbsp; &nbsp; &nbsp; &nbsp; 移动及旋转椭圆，如图2-12所示。<br/>命令: _move&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //移动对象<br/>选择对象: 指定对角点: 找到 3 个&nbsp; &nbsp; &nbsp; &nbsp; //选择椭圆J及定位线，如图2-12左图所示<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点或 [位移(D)] &lt;位移&gt;: int于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉交点I<br/>指定位移的第二点或 &lt;用第一点作位移&gt;: from&nbsp; &nbsp; &nbsp; &nbsp; //使用正交偏移捕捉<br/>基点: int于 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉交点M<br/>&lt;偏移&gt;: @37,-11&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //输入相对坐标<br/>命令: _rotate&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //旋转椭圆K<br/>选择对象: 指定对角点: 找到 3 个&nbsp; &nbsp; &nbsp; &nbsp; //选择椭圆K及定位线，如图2-12右图所示<br/>选择对象:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //按Enter键<br/>指定基点: int于&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //捕捉交点L<br/>指定旋转角度，或 [复制(C)/参照(R)] &lt;30&gt;: 66&nbsp; &nbsp; &nbsp; &nbsp; //输入旋转角度<br/>结果如图2-12右图所示。<br/><img width="485" height="195" alt="" src="http://www.ttketang.com/home/attachment/200908/19/113_1250650873bOov.jpg" complete="complete"/>
                <br/>2-12移动及旋转椭圆</p><p>本教程转载于<a href="http://www.ttketang.com/">http://www.ttketang.com/</a></p>
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