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4.7 上机实训二——绘制沙发组构件
通过上述各小节的详细讲述,相信读者对各种修改工具有了一定的认识和操作能力,下面绘制如图4-79所示的沙发组平面图例,在综合巩固所学知识的前提下,对本章所讲知识进行综合练习和巩固。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_261.jpg?sign=1739425359-jGpfvDTODtwQdJtFf98TohE6V6q6bjJN-0-6cbd1e839cb047dba5f512a6ef550930)
图4-79 沙发组平面图例
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”和“对象追踪”功能,并设置“对象捕捉模式”为“中点”捕捉和“端点”捕捉,如图4-80所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_265.jpg?sign=1739425359-CWTdpENOUK2nFAYVKgBtgte1fQg7TqWG-0-821d9b22f0fd6e66c77176188d05a4d9)
图4-80 设置“对象捕捉模式”
选择菜单栏中的“视图”→“缩放”→“中心”命令,将视图高度调整为2400个绘图单位。
按“REC”快捷键执行“矩形”命令,绘制长度为950个绘图单位、宽度为150个绘图单位的矩形,作为沙发靠背轮廓线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_268.jpg?sign=1739425359-upO212Ehw1fHFcrKJjvgjYu0CrKOD7OU-0-609c11361162b248b38d4814a2797202)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_269.jpg?sign=1739425359-ae5Y4uXdJFTeyvkYJC5cVhFxaLUtrOD9-0-662ac07ea751148d30fc3d9b7aff539a)
图4-81 绘制结果
重复执行“矩形”命令,配合“捕捉自”功能绘制扶手轮廓线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_271.jpg?sign=1739425359-xDVFEAic7OjwWRWEeKAnlLuhG1sh26vE-0-845bd05cb1945aa5142c44c3a4fc06e4)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_272.jpg?sign=1739425359-lhD90QmJcoMGGZ5nrKw9Dl32ZyrdNm8q-0-038bd8002242859d9d6f2647bf35933a)
图4-82 捕捉端点1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_273.jpg?sign=1739425359-C8UmvOY9Ax84mD85Za40IlTWsOYR0gnm-0-67dc9d612fc06457d07636005d85e947)
图4-83 捕捉端点2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_274.jpg?sign=1739425359-Yeoh0x0sz9IoZcHJikCDxWgpa23HnbAA-0-77e48834e23843b4a2c79d9a0dcb03b2)
图4-84 绘制扶手轮廓线结果
选择菜单栏中的“修改”→“分解”命令,将三个矩形分解。
选择菜单栏中的“修改”→“偏移”命令,将最上侧的水平轮廓线向下偏移750个绘图单位,将两侧的垂直轮廓线向内偏移90个绘图单位。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_277.jpg?sign=1739425359-3RoMdOQ3WwVwLlK8Ul4xJaPPi5U9K6tF-0-9b99773f640d77292bd9eab30d43becd)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_278.jpg?sign=1739425359-vG4XpOHvkw7ogk7LA82OcQgugKSrfJtS-0-2a5fe9832c34b66d2320ea35e5a564b5)
图4-85 偏移结果
选择菜单栏中的“修改”→“延伸”命令,以最下侧的水平轮廓线为界,对其他两条垂直边进行延伸。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_280.jpg?sign=1739425359-Xj7kjrYjf4odDvF2f3Wh1xhxjvsfDLJR-0-206a55b54ce3e821c9a9c0907c3dc9d1)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_281.jpg?sign=1739425359-brpSB6uk7AUNu3i9PyiQ9nl3Inlmivmp-0-8db1b8f944ed5d2149891d9045930a62)
图4-86 选择边界1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_282.jpg?sign=1739425359-0pVQioIPKXLdkSmOMwxeaKiwgidyjr90-0-26a8ba3ff645c5f37376fb2e7fc5a75f)
图4-87 延伸结果
选择菜单栏中的“修改”→“修剪”命令,对下侧的水平边进行修剪。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_284.jpg?sign=1739425359-G3eBXkLJhVIuRyLKFPwV0u4BP6Imw3cD-0-c91eeab8757c7d6e9c2f8c6381bc1380)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_285.jpg?sign=1739425359-ig5J8Wda1WLiwyVAzAadWHbxmQdug39G-0-807a05c64b63c0a659503d5b409d0177)
图4-88 选择边界2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_286.jpg?sign=1739425359-fPd3BHFhq2FKx74yYAZEjLHaIVhaXAkH-0-4507eccb212deadea66e0c2b4b591cda)
图4-89 修剪结果
选择菜单栏中的“修改”→“拉长”命令,对内部的两条垂直轮廓边进行编辑。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_288.jpg?sign=1739425359-eLzdJrsp5dViuIriK1Ba4rQk80VPDbUF-0-b1687bd243859267a3b64f60e995ac13)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_289.jpg?sign=1739425359-LYz2gDVVrmSaEzbQMiaw5WM6aENeKsZg-0-6780fd761afde8ceaacaa99970de6084)
图4-90 单击指定位置1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_290.jpg?sign=1739425359-4ixYIEmEMQk7EKCy13jsNmzAwxyIiHfm-0-c2070cd60fcd2d7b4f5cd61728603aaa)
图4-91 单击指定位置2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_291.jpg?sign=1739425359-XVAwvoq4PSkfmNQFkCAgkFgkp9wwCmLp-0-d881bf700f86b333a6276dab9725836e)
图4-92 操作结果
选择菜单栏中的“修改”→“倒角”命令,对靠背轮廓边进行倒角编辑。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_293.jpg?sign=1739425359-d6524JfWNgh6tl0Xui3jYx5t2dJumei4-0-f5dc3efc6817371afed1d17da8a36c83)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_294.jpg?sign=1739425359-SA2je3TM97OJOSeO3YBG1p596ga2Y91E-0-f24d8f558ff6b2c593a5cca38a52f449)
图4-93 定位倒角边
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_295.jpg?sign=1739425359-WurYnOip9KfPbjDKAwmjRss1LgQ7S7qC-0-a1208f8e87008ae7534c1d98844bf6dc)
图4-94 倒角结果
按“L”快捷键执行“直线”命令,配合端点捕捉功能,绘制如图4-95所示的水平轮廓边。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_297.jpg?sign=1739425359-C6LsgqxZDeGj8IwfDrekl1nsSX8wJuzp-0-3549213be2bf72c55f46414cf41ddafe)
图4-95 绘制水平轮廓边结果
单击“默认”选项卡→“修改”面板→“圆角”按钮
,对下侧的轮廓边进行圆角。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_300.jpg?sign=1739425359-epMKLgb1xbKGsaClDWti6BaEI63jaICS-0-5dba710af68c7af4550e9c8583bb4115)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_301.jpg?sign=1739425359-BlMlG1szdrN837eJFIcCYusgmFA62eSk-0-07355d20e1b94703b3893d7e17bc8152)
图4-96 定位圆角边
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_302.jpg?sign=1739425359-jrg6LXY2MX9zXsBSTueYYtqQMOSRSXSo-0-45aa27e3a3f00156acca3ea44c81485b)
图4-97 圆角结果
在无命令执行的前提下拉出如图4-98所示的窗交选择框,然后按住鼠标右键拖动,当松开右键时,从弹出的快捷菜单中选择“复制到此处”选项,如图4-99所示,对其进行复制。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_304.jpg?sign=1739425359-bKkJN2GsPbHiFcRyyyoxnqzE95zE3iQa-0-483f1ad72d5b4459bfeeb6f12fd9b016)
图4-98 窗交选择框
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_305.jpg?sign=1739425359-ciBUreyFBYmsBr0LY401b4kSi7P6AjYU-0-5927bb987911e8bca5354f7bd0315223)
图4-99 右键菜单
重复上一步操作,将沙发图形复制一份。
单击“默认”选项卡→“修改”面板→“拉伸”按钮
,配合“极轴追踪”功能,将复制出的沙发拉伸为双人沙发。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_309.jpg?sign=1739425359-pzsrcpMzVl1at9UeeQ5ITM4lM7CHSyWt-0-7270aca082cb8b877853e24438a70157)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_310.jpg?sign=1739425359-GoPqWHunvVntrwTr7lNt8EUqoxzgXKjx-0-735cd96fc32b3088c0a387e8b5d15799)
图4-100 窗交选择框
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_311.jpg?sign=1739425359-kzFpvXdcPdMmu942K22Uqqs9u9GcYdBx-0-b1164ec7bd1bc593dd91e4c982838371)
图4-101 引出极轴矢量
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_312.jpg?sign=1739425359-009OICrIuku2U2jWh0WQIPSCaAYYgl4L-0-07f27e9773e62e6e5d21fcc30b97235e)
图4-102 拉伸结果1
按“L”快捷键执行“直线”命令,配合“中点捕捉”功能绘制如图4-103所示的分界线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_314.jpg?sign=1739425359-paHSWTFiL9WbpFgL7tYSmGBqBzpYJ9YR-0-0d6148f9f581e7b88c7a1cb2d34cd478)
图4-103 绘制分界线结果
重复执行“拉伸”命令,配合“极轴追踪”功能,将另一个沙发拉伸为三人沙发。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_316.jpg?sign=1739425359-QDa7gcp0ralIxvL3PtU5fR2nvD6B7DoC-0-aef30afc19a652d0f7e2126b01ecf5ce)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_317.jpg?sign=1739425359-T0bdLuxO30UksK2a7XJQD0ffKJGd94jm-0-190e73ef8565212fa4197246b0a9c185)
图4-104 拉伸结果2
按“L”快捷键执行“直线”命令,配合“对象捕捉”功能绘制如图4-105所示的两条分界线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_319.jpg?sign=1739425359-n73eZ11kSg3IWBGRPdyGOsfA1eaVxHVj-0-75f94e52027e4059bf9bf4d478a5f58c)
图4-105 绘制两条分界线结果
单击“默认”选项卡→“修改”面板→“旋转”按钮
,将双人沙发旋转90°。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_322.jpg?sign=1739425359-qkxb3kPJmphce4sUeVy51vq2UDpnNNHG-0-bbb2a702dee3a713f541ecccf528de62)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_323.jpg?sign=1739425359-HMP9CKvHoNcjGc98WIrzMXcoU74Hmuli-0-6795a21fe63e5bb6b2f8aec73f401fdd)
图4-106 窗口选择框
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_324.jpg?sign=1739425359-nS2mGQ7rSkyBBaNKj1LMhtCrV9u8mx9j-0-2900038fbb3012ddfb563191544a1475)
图4-107 双人沙发旋转90°结果
重复执行“旋转”命令,将单人沙发旋转-90°。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_326.jpg?sign=1739425359-NFfpguod4nlQFp0QJl7gE01JrpkoShsL-0-a1a988952ef52d35e3d03d6eb1b77f4b)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_327.jpg?sign=1739425359-mQOowxna7njAFBvi9aGpO3qYzZfaFi0l-0-cea14617274bb4dfb2f60af044a95d70)
图4-108 选择单人沙发
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_328.jpg?sign=1739425359-L3dFeHW6rX29kFysn5ZM1Hx7ens49fl4-0-830e706b01d398b625cefff97962a82b)
图4-109 单人沙发旋转90°结果
按“M”快捷键执行“移动”命令,将单人沙发、双人沙发和三人沙发进行移动,组合成沙发组。组合结果如图4-110所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_330.jpg?sign=1739425359-ygZjkatwpuPnTbExWpSnN6mSrgAyyNzd-0-da8ae3c3b35f1f24a8694b31ce2baa6d)
图4-110 组合结果
按“REC”快捷键执行“矩形”命令,绘制如图4-111所示的矩形作为茶几。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_332.jpg?sign=1739425359-1qyf0H47veNnh2QmvmCZt1ly5zqJFukN-0-562f520dc140416045dd45ea1523f935)
图4-111 绘制茶几结果
单击“默认”选项卡→“修改”面板→“旋转”按钮
,将如图4-111所示的沙发组旋转180°,旋转结果如图4-112所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_335.jpg?sign=1739425359-OkUG02SD5tkUhM9og7AlTntTIpLLVBcw-0-bca94a2169803137825a57d6c5a6c57e)
图4-112 沙发组旋转180°结果
执行“缩放”命令,配合“两点之间的中点”功能对茶几进行缩放并复制。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_337.jpg?sign=1739425359-rceTNfnS88nwkDH7he9wj57qaVggBkWy-0-e9642b417ed1abd1531663eefe26e1c5)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_338.jpg?sign=1739425359-7PgQLU2VleQxyGadRZx0Cktodk4w4FGX-0-5702bf3959e41d2650e68af28fffb27d)
图4-113 缩放并复制结果
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4-114所示,为茶几填充如图4-115所示的图案。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_340.jpg?sign=1739425359-1r0JCCBMCVpf4xC5p9OwxWWWt8hcqNz3-0-bd53027aa8b57ef72c4d8a8fd95a0bc3)
图4-114 设置填充图案和填充参数1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_341.jpg?sign=1739425359-fpfHyclaE4nMT5flbOtR4SCKVObVssCi-0-9cb2e1fd32581d60bce6a5de95bfc7c6)
图4-115 填充结果1
重复执行“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4-116所示,为沙发填充如图4-117所示的图案。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_343.jpg?sign=1739425359-rRHOaxKiCuXfSNhiuhQ7Mb5cLmq35Kdm-0-9229088497f612b1b62bbfc2636a1bd3)
图4-116 设置填充图案和填充参数2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_344.jpg?sign=1739425359-NvL4mqjuHFGNMCqgRcz6MsRVPcbZSTWq-0-626c4458d86bb3e5f5566aa1d3fa43d9)
图4-117 填充结果2
重复执行“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3如图4-118所示,为沙发填充如图4-119所示的图案。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_346.jpg?sign=1739425359-16srTUHqH1aIN2i2nNUuYWmVbho9AQEm-0-67fd9367c3b23d0b5564635cba08ebfa)
图4-118 设置填充图案和填充参数3
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_347.jpg?sign=1739425359-P1cIXNlfGbaeHeOhXAXilVFCeFEwvAT4-0-ae9aa5b2dcd03ef2d8771df224dc52d9)
图4-119 填充结果3
执行“保存”命令,将图形命名存储为“上机实训二.dwg”。