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4.3 上机实训一——绘制双开门构件
本节通过绘制如图4-21所示的立面双开门图例,在综合巩固所学知识的前提下,对“修剪”“延伸”“打断”等命令进行综合练习和应用。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_78.jpg?sign=1739314248-IhpwuHMz3cSr20bNebntyjYQ1v4im0t9-0-c6abab16c5f89b3d9622155b6e05f43b)
图4-21 立面双开门图例
操作步骤
单击“标准”工具栏→“新建”按钮
,新建绘图文件。
打开状态栏上的“对象捕捉”选项卡,并设置捕捉与追踪模式,如图4-22所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_82.jpg?sign=1739314248-Hel8HeSvKIV3gjpVZjo4NRXN9RR0T47H-0-994dee7516800db4bee46422dee7f6c8)
图4-22 “对象捕捉”选项卡
选择菜单栏中的“视图”→“缩放”→“圆心”命令,将视图高度调整为2600个绘图单位。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_84.jpg?sign=1739314248-aCu3lJAFfYmD9gUCDUVL4D2LAeZVm1eJ-0-c8c5a7a9bb4b1cc3e68af365011af2d7)
选择菜单栏中的“绘图”→“矩形”命令,绘制内部的立面门轮廓线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_86.jpg?sign=1739314248-A86714OAMLpsJQTXz5F9X0woK3HVeghf-0-74a0d1c9ce985b8d975ce0403132b537)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_87.jpg?sign=1739314248-NAuDGDMQd5KaEAlcQJdEF2Q5DPCMbyCb-0-c22235331e30293d05e425f182593ee7)
图4-23 绘制结果1
选择菜单栏中的“修改”→“分解”命令,将矩形分解为四条独立的线段。
选择菜单栏中的“修改”→“偏移”命令,对分解后的矩形进行偏移。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_90.jpg?sign=1739314248-fA207Y3DwBbGhrSYK8Yn2mD2sE1extip-0-206fc1d9f063f7e47bcc473e2251bbe1)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_91.jpg?sign=1739314248-FbLcmLh64BWmb8EcukpNpJ7VIvTimtoz-0-a68680f96b0ec58ad3b317423d8daf7d)
图4-24 偏移结果1
选择菜单栏中的“修改”→“延伸”命令,对内侧的轮廓边进行延伸,命令行提示如下。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_93.jpg?sign=1739314248-i8nyRM6e14vxkT8maj2nDdVQoeefy9Ar-0-596164cf771a5068f3f57f3eded1b0cb)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_94.jpg?sign=1739314248-UcgA9JlWiCgBFibydfDe3goE3dZsFgLX-0-e14d41c8067cdbef8e08bfc6205d75ea)
图4-25 选择延伸边界1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_95.jpg?sign=1739314248-d1qPaSlqGbsFRbvoQYsWhIHAgEGiGFkI-0-8cef446827d1a3bc53ff9fc4004d933e)
图4-26 延伸结果1
重复执行“延伸”命令,对两侧的垂直轮廓边进行延伸。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_97.jpg?sign=1739314248-MHjq1iHIs42BxvVcindLnOVsafRUhSZY-0-6de3c2416c301a35a25ca3e36bea2a49)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_98.jpg?sign=1739314248-pEVZUEd7tNyrEsZqesa6I6PIM9qe0xhp-0-28e008b6710c1f15ef12555dc9087101)
图4-27 选择延伸边界2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_99.jpg?sign=1739314248-Ul0R0FuH5XEOrNZ9cliD4vqatpl2D5iV-0-6d42e2b5af878497a8fd2d0430bed201)
图4-28 延伸结果2
选择菜单栏中的“绘图”→“矩形”命令,配合“捕捉自”功能绘制内部的轮廓线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_101.jpg?sign=1739314248-iXDPHvr5pkSvAbxTqPmw6cVF1TP6jec3-0-d373d6cabd7b1b84c3f4cd76759df51f)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_102.jpg?sign=1739314248-ieO4Uw8IWqXttBoKvIlLsILph2B3f0ci-0-02b5e99f2617f8595062f9cc951a2f70)
图4-29 捕捉交点1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_103.jpg?sign=1739314248-ZfLiFr5a2guf7Y9ysMgK76dpRAuDyVGw-0-44a853b2578750212eb802bc99553c0c)
图4-30 捕捉端点
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_104.jpg?sign=1739314248-ulONy16d8Ti1QUBHqQhrrf8GygB4LSlT-0-25d1fd22eecb0b0f740c0a5c5298d4b4)
图4-31 绘制结果2
选择菜单栏中的“绘图”→“椭圆”命令,配合对象追踪和中点捕捉功能,绘制立面门内部的椭圆。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_106.jpg?sign=1739314248-Vqqr923PSifzaVR4TeCidfYUfXBGwr72-0-0e1a2873756d49a878406d0db74d9fc9)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_107.jpg?sign=1739314248-89OjnZ51E5PjD9hJt1xnXXqrXr0mZdg2-0-6db4022017f32ffe3fa056b42c01b4eb)
图4-32 捕捉中点追踪虚线的交点1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_108.jpg?sign=1739314248-wMybQq0ah17XhNxTf3YUSvx4pQoaOXUF-0-91042a9f1390d794351645b1cb3e704d)
图4-33 捕捉中点追踪虚线的交点2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_109.jpg?sign=1739314248-Di0HaZRYPgVtvdMw6nO1DaTd6OeWLNZr-0-0d920b26f562c530208b4b4eabf0d24a)
图4-34 绘制结果3
选择菜单栏中的“修改”→“偏移”命令,将两个椭圆向外偏移124个绘图单位,偏移结果2如图4-35所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_111.jpg?sign=1739314248-dUAl2x1WOQPU1VXAu1W51QvTPeyxYrN3-0-5c9825e89d60861a5ed26e005576cdbb)
图4-35 偏移结果2
单击“修改”面板中的
按钮,对偏移出的椭圆和矩形进行打断。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_114.jpg?sign=1739314248-Y4tHPzjPmbUuV1pjlLjZCRYR0FD5EZhw-0-b0ae29375c3e52c669e25c0edba46926)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_115.jpg?sign=1739314248-opVipZLljCelShVbVxShBVN17qZaU3OA-0-b433bdac1fcc574c4b1959d655d5e6b9)
图4-36 捕捉交点2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_116.jpg?sign=1739314248-ujllAYHWKZKPHGN7jd3N3CxPYY3qZhNQ-0-79496c5df0fdc24c70fa050e6253dbc5)
图4-37 捕捉交点3
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_117.jpg?sign=1739314248-L2WuLhlBPyxnDHCioZf8EmutY9Sbx9EM-0-a3e70a99ec80d6405e080bcf98d9e79d)
图4-38 打断结果
选择菜单栏中的“修改”→“修剪”命令,对内部的矩形进行修剪,命令行提示如下。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_119.jpg?sign=1739314248-YiwwnOXvgl9ZgbIk1JmpZisVLNfuJXgw-0-a8f4381e79fb22d06b359c3547f82429)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_120.jpg?sign=1739314248-G3adR07MHNUk4e1Wvy0UTPNuLXApUnLi-0-fda30f64ddf38f0c3eed585ff5ba861d)
图4-39 单击指定位置1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_121.jpg?sign=1739314248-IL6wzRRroLk9fI20mrBsnQtfxHxJzMvD-0-435522aae129b4ecb2d51623e3449d94)
图4-40 单击指定位置2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_122.jpg?sign=1739314248-lcZ9EMCSNeZ26MIVe7prmK990K0OQXEf-0-5d45cfe0d6bed2a9ff3915567e08ffcc)
图4-41 修剪结果
参照第12、13步操作,综合使用“打断”和“修剪”命令,对其他图线进行修整。修整结果如图4-42所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_124.jpg?sign=1739314248-MY3quLc9knmPqvP1GDiCeKqKAZ4peUPn-0-08272282875468689cd859701a9bfa3d)
图4-42 修整结果
按“C”快捷键执行“圆”命令,配合捕捉和追踪功能,绘制如图4-43所示的圆与直线,其中圆的半径为18个绘图单位。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_126.jpg?sign=1739314248-98hVyz2jA1PkBIHG1EmYUPHIB6PTpVT6-0-04bcdf5c50cccb0b4e32d69a1f2dda46)
图4-43 绘制结果4
将圆之间的两条垂直直线左右偏移10个绘图单位,并删除源直线。偏移结果3如图4-44所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_128.jpg?sign=1739314248-ezoI9M0LN7WdeC5yJLyQ8AAGgVzN3xkA-0-319180810f549831a5cac6e27e8508ac)
图4-44 偏移结果3
按“EX”快捷键执行“延伸”命令,将图4-45中的四个圆作为边界,对四条垂直直线进行延伸。延伸结果3如图4-46所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_130.jpg?sign=1739314248-w5Ak2bC1DaEJH3HgGafB4GaYKxtccnqi-0-a1c0523661cead1bcf9942c14825c0b9)
图4-45 选择结果
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_131.jpg?sign=1739314248-1E2kTwaaRYOioNKWzQ4XH0aqT4BsOFn6-0-5620a7bb5df6267d326fd90f43cc1df4)
图4-46 延伸结果3
选择菜单栏中的“格式”→“颜色”命令,在打开的“选择颜色”对话框中,将当前颜色设置为“102”,如图4-47所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_133.jpg?sign=1739314248-rFEE4Ca6vwLn8UvCP2L8BDzHvCVP75wD-0-9b2d7b6e8acc07bc3d22f76306e64d14)
图4-47 设置当前颜色
按“H”快捷键执行“图案填充”命令,打开图案填充和渐变色对话框,设置填充图案和填充参数1如图4-48所示,为立面门填充如图4-49所示的图案。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_135.jpg?sign=1739314248-rw66wbNJcMQfF2oOsLrR9EbKJVIfC2jz-0-4d9d148055c0a4a91809645bc690ab9a)
图4-48 设置填充图案和填充参数1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_136.jpg?sign=1739314248-2cz0FWhH5v3AFggRDy5RxXP8Pv1TyeXk-0-36ee847ca0bd943f68edd7d2abf8bffe)
图4-49 填充结果1
按“H”快捷键执行“图案填充”命令,打开图案填充和渐变色对话框,设置填充图案和填充参数2如图4-50所示,为立面门填充如图4-51所示的图案。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_138.jpg?sign=1739314248-hTkLTLBhUzPJucPi808wlnVye6IUbdtf-0-a653218be1f2887d858be7a6fafe13a3)
图4-50 设置填充图案和填充参数2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_139.jpg?sign=1739314248-n9xL4UsRkblk8wzlDHKmaXTviFotf7gV-0-e8f028a1bc956444bc38752c87e4e6d1)
图4-51 填充结果2
执行“保存”命令,将图形命名存储为“上机实训一.dwg”。