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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=1738936858-b2lCE1aNmMnB3PKn9ZI5zsnzoSv3t93f-0-277c40c01b77a51cb9d6a1fc2f97c93c)
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=1738936858-h6HupG9ng1u1MsNxZCHnzY3O6x1owFjf-0-19b4bbb1f3ede4022f1ac2aa89d95537)
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=1738936858-6AduuXWxxtzfxpT4qK5UT5BIHCzg19rj-0-24c566bd4745c26f60c45ca6c6c25768)
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=1738936858-dAKJ9kSFzYA2sY4mz1J6mkzuY5kW5AmT-0-5737cca90919be5b92b92c4eefe2c4d2)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_87.jpg?sign=1738936858-snEt9ZyfPT4Tw30LixaDby8ahEeSGpin-0-0dc768e47f461c368e91c4682d7502d9)
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=1738936858-CRAm9w6PAL5eJDuKY86ptRvP7ibAXdi1-0-0a85b4190cac136df7e60bcb22740e95)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_91.jpg?sign=1738936858-PdnAALhuaNrB53BgefshbVsxyP2nAi7x-0-8be6f3b6cdca5f672daa5c5eab19db37)
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=1738936858-XA7PAjoLrZiAyuLaf6PGTVQtOWuQzPxa-0-f0ffad6ab6eee9b401a69232102c3e32)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_94.jpg?sign=1738936858-yJPTLJ16MyQ1lAMnR8bL6BPcIo7EvOX9-0-b0d0b7d212708b4282d909270de60b93)
图4-25 选择延伸边界1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_95.jpg?sign=1738936858-3wTXj8FPe10CRPauVj1orCh6rzb6mX5b-0-e5538f539a3fb3b7226aef3da9c47139)
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=1738936858-bZmi4ZiFVLXNDbkBUNtKVQwkNm2Z32aQ-0-9002c2578c4743940301dc2b20a343e4)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_98.jpg?sign=1738936858-fLjAc20r9gDzfQYPiEMjQFqwx83h0chj-0-ce1f8b4ba51839216804a0771c5c9f5c)
图4-27 选择延伸边界2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_99.jpg?sign=1738936858-ldl3EdYZzJoSwCFVkqWFiYPlIJezp2LY-0-a4df5caee0273fd1e81dd36f958acdfc)
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=1738936858-0LUhbf9uoYEkWvgAAP38TNnYW6ip4NVI-0-0b7a30687245abb5861958d8c487de08)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_102.jpg?sign=1738936858-Ha0b9uPchic6aKb27SKMv8RDwq0rdvUX-0-544306ffd76e824f24f1c125f915acd8)
图4-29 捕捉交点1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_103.jpg?sign=1738936858-zvq8mk43jmSduqcW0cof6gLaDNmoxXzK-0-424545a99f0762c10440ce5d0364f504)
图4-30 捕捉端点
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_104.jpg?sign=1738936858-SxDGtXOa5V22v1brT9GI4JSNqeqJxUR2-0-67f72369cb6b2ff8f1fe39fdf87d0283)
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=1738936858-dH3C0ghgaA7ZL71O8Dw6pJmrW0r0J2nP-0-ae5395b13ac30fc47b0d81accded7b4b)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_107.jpg?sign=1738936858-4SuP4UnV8heozfq1FOZAsBRwCHNJ3RrP-0-25be8d1f42183021055dd7dd10d78536)
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=1738936858-cgabfPMnOFFvCQguz4xwBARb5S0R0Qj4-0-78381c70c1a2556f34a2505dbe286be1)
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=1738936858-5vbXe2McOsqdUHn6VCPl7F6YngbWMOTF-0-f626fc8985d806bb51771180af39ee2e)
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=1738936858-0RyP3setLEygTUq7dUeosWaJfken8EMd-0-e21d89af157bae27ce3d5e7e1b922fe3)
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=1738936858-bmrecnTcagKc6zxH9G1hUv0MXnKghoHF-0-d41b2bfa699934c7a53e1f105d515b70)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_115.jpg?sign=1738936858-RwmXUNOoWJ4MkOz7kCzrUMxRgXzIbHOm-0-efcd69989a5300a85a1fdbda788025f1)
图4-36 捕捉交点2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_116.jpg?sign=1738936858-B30XbHu4OFIyfT0gOHqyQ6HOgctQ67zo-0-534bd972484dcb7e7a8633b30ed33edb)
图4-37 捕捉交点3
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_117.jpg?sign=1738936858-U2Objp26lmvmTvBcOMIpITbPZfKRE554-0-6ff666aba7a003a8160c1d8ccb35531d)
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=1738936858-9jVH6ysMMmy5g1lSz6BMcitsmTUsUdaD-0-053a0690a0c3318c93f5872b53904dac)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_120.jpg?sign=1738936858-8hJoTCArLwWPD6yLXyP0yWKnEPXoNEc7-0-d2bf5ccbb99669efe8cb53bb8487d679)
图4-39 单击指定位置1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_121.jpg?sign=1738936858-6oRc6Wb88Zg0We8wNI1zJoDX6YIrdrbZ-0-c86898a38df46f366cf049ee2fdaf404)
图4-40 单击指定位置2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_122.jpg?sign=1738936858-fAWtrrTD7j9PvhdQ6m83av3Pv5Wyx1Hd-0-308fa799d27846d6ef86d2c8e6a5a67e)
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=1738936858-w1QSWYPzK00XbYklVdF1qXuqJcoHStaW-0-9877370bc514709c53a90a75b197ec90)
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=1738936858-3dfzamE5naZrj9Bn5r9RfZsNuMVSSJE8-0-c4a4fce2348401eb6266c888b50b1778)
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=1738936858-LQMswlpR3mPpFm3YhMjNDHqlgQ654rSM-0-4c5e1a6d0926c5c9527925ae79a19180)
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=1738936858-6Ah0QRxcgJx0ybpFLqCvE5Ifrbe5498j-0-0020e1366fcffa8fca573055b62133ed)
图4-45 选择结果
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_131.jpg?sign=1738936858-VPLRh9wpfKDTiwY27pXk2tjlQN9Rekpm-0-41c348dc275c93f575c2a83282382c78)
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=1738936858-UVkCJ3KDvpepVDhK3Anz85FlhTGBh3zf-0-e4fbea7aa4d4babfc75251dfc2dcf443)
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=1738936858-NwlTOecmxk3hBkwmPxOjVUHdJsFL8ebB-0-f8612fb616efd92f3307e611c3600575)
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=1738936858-LXmadj66KoIcWhxm51x0vWHPpKFUhoXQ-0-7731de0a69c72089b0ec1f2c13c619a0)
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=1738936858-CS17eqg3Gvkoc2Ou017p6Qp5xiCBQcxD-0-5cf235096dde5631065bdd4dd421d9fd)
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=1738936858-3LdL6G0c8KEI761L3wtHQDyXasEZemm1-0-41648014a27523cedfac6925504eaaa0)
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”。