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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,相信读者已经对各种修改工具有了一定的认识和操作能力。下面通过绘制沙发组构件,在巩固所学知识的前提下,对本章所讲知识进行综合练习,如图4-79所示,具体操作步骤如下。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-128-188.jpg?sign=1738995269-Idwd2lCiktUjaj3Aobht0Y08GgZ8tCKF-0-7491b8137fc01c1c9f557bebac02c8f0)
图4-79 沙发组构件绘制效果
Step 01 单击“标准”工具栏→“新建”按钮,新建绘图文件。
Step 02 激活状态栏上的“对象捕捉”和“对象追踪”功能,并设置捕捉模式为“中点”捕捉和“端点”捕捉,如图4-80所示。
Step 03 执行菜单栏“视图”→“缩放”→“中心”命令,将视图高度调整为2400个绘图单位。
Step 04 使用快捷键REC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。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-1.jpg?sign=1738995269-LqynSXpHIQCsGPOOIwu4dar5ivJ4pDU4-0-dd96c561f3e408a70433b27ed7df0a78)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-184.jpg?sign=1738995269-mv2zT0HsUxZVvKC6y2QkTLvzV4hIug23-0-fd5773577580e52777f97e10271c0e8a)
图4-80 设置捕捉模式
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-185.jpg?sign=1738995269-pIjo6rykg0rkHvTJrvLLXEfaaxvmzE1T-0-ac958aa3aa690602c7658ab1f4591ada)
图4-81 沙发靠背轮廓线绘制结果
Step 05 重复执行“矩形”命令,配合捕捉自功能绘制扶手轮廓线。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-2.jpg?sign=1738995269-A5yq7LXIanmlXoL9iNAkjATv9JlydcQ2-0-1d67769bf2bd9c7fa50647b5e686ad68)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-208.jpg?sign=1738995269-WjB0o31xamoFpsw66egSCn3dYNtyIo9m-0-b4c3f2a7024cbd62f84f655b634c6e49)
图4-82 捕捉端点(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-209.jpg?sign=1738995269-MjpidzFKeekcWT4r3WrIHoePpanLwp2u-0-2857983d1168765e309bf43e0e7d2ed6)
图4-83 捕捉端点(二)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-210.jpg?sign=1738995269-p6p8KmzSIH37BPq1AL5aueP0EWpZJa6q-0-6393e7e351e945b5340b0b59f5a5e85f)
图4-84 扶手轮廓线绘制结果
Step 06 执行菜单栏“修改”→“分解”命令,将3个矩形分解。
Step 07 执行菜单栏“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。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-3.jpg?sign=1738995269-y4hk7GMeanIcwaq39ZyfXMp2t1eqywmt-0-a734767657fe9c736ce6171ef3d53261)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-1.jpg?sign=1738995269-QzGtrCGNLso2bIUHlskefu2tDy0mLBUe-0-42b4f3ca15ea40d5a6a4c16acb1435aa)
Step 08 执行菜单栏“修改”→“延伸”命令,以最下侧的水平轮廓线作为边界,对其他两条垂直边进行延伸。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-2.jpg?sign=1738995269-hn0TwDDx35wzWa5OydJ2fCcvW97LjjC3-0-d18ae0711d5faa579bb7d847d3e6ab3b)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-205.jpg?sign=1738995269-XPg3whpJblM0tK2TE6unH9iX2rukeX52-0-de75f2e6d443030f1697f090b683c92d)
图4-85 偏移结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-206.jpg?sign=1738995269-Czu8d4STtJ5CTRjdnjkouo3sD73uUsep-0-7748938874610377fdcfdda220fb7243)
图4-86 选择边界
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-207.jpg?sign=1738995269-4iI1aIJ4U7lQAtYmTTofgdYulKQZuurJ-0-a7f0753694adc2ff048d36c8286a06f1)
图4-87 延伸结果
Step 09 执行菜单栏“修改”→“修剪”命令,对下侧的水平边进行修剪。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-3.jpg?sign=1738995269-ien5ZbSntZrIsbcmPYRz2WO3m5fJoZrm-0-858bbc742e308ce227c8542b126f7c0a)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-184.jpg?sign=1738995269-iEXRv3daBr4gcYN6XgCJRoaDNe611iEv-0-80f7d73ae7d7b51c8d6d70779f3c6990)
图4-88 选择边界
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-185.jpg?sign=1738995269-6e9HHzriJHWGJCdtbjnl1c4uut4nGw1y-0-bf038319f70c223d3015f64071da7d85)
图4-89 修剪结果
Step 10 执行菜单栏“修改”→“拉长”命令,对内部的两条垂直轮廓边进行编辑。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-1.jpg?sign=1738995269-C5zqOBzPkFv0MZZkfsfCQbXLp91NLAh5-0-0b4153641e17569980cd9e7f74ea3925)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-208.jpg?sign=1738995269-hTiDvECt0Bf18B0IwAmUW13xnT4fr6wW-0-c5bca09b057d87e6f9d75035caf1cf7d)
图4-90 单击指定位置(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-209.jpg?sign=1738995269-EvGnyUNWl2v3eY83ocDirdw5Eh9ktvAI-0-d740026f2d57097e788ce4ef8cd16f4d)
图4-91 单击指定位置(二)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-210.jpg?sign=1738995269-2TAtmn0m7QkK48hNxt1HmTMlPoB7fB1N-0-1e83659310ca241f2969bc153141f1d0)
图4-92 操作结果
Step 11 执行菜单栏“修改”→“倒角”命令,对沙发靠背轮廓边进行倒角编辑。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-2.jpg?sign=1738995269-LLUrnRvEklPgsfxIkdzPNskZltYf2S5P-0-adcc81f4505b0a8f5cc213ac0312aabd)
Step 12 使用快捷键L执行“直线”命令,配合端点捕捉功能,绘制水平轮廓边,如图4-95所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-183.jpg?sign=1738995269-f5V5p53VEwEywCDh2fkqq3MuEPyB15ow-0-1b6cb97811b221c384c1c15418e40dd8)
图4-93 定位倒角边
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-184.jpg?sign=1738995269-xwEtNeUbYbRN4ZSE7dknvmC7wmGVTu6z-0-9feb0347dc286684c9a1d2d618afc9d3)
图4-94 倒角结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-185.jpg?sign=1738995269-bTMKKhqdWD9h50N07kbX60hgX9GVxFvy-0-1a7b0f8abac2fdbe71ac85e02e031f09)
图4-95 水平轮廓边绘制结果
Step 13 单击“默认”→“修改”→“圆角”按钮,对下侧的轮廓边进行圆角。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-1.jpg?sign=1738995269-tYkaDBeyOqWL4qBlz0MFXHJ82w7e7j5i-0-8e232213e29af15502d360c586d885a6)
Step 14 在无命令执行的前提下,拉出窗交选择框,如图4-98所示,然后按住鼠标右键进行拖曳,当松开鼠标右键时,从弹出的快捷菜单中选择“复制到此处”选项,对其进行复制,如图4-99所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-230.jpg?sign=1738995269-n0ewDkeJPHTuBLfNn4eD77ESBErGAmqC-0-e05d7df2fd77a0e27db91ebcafb03373)
图4-96 定位圆角边
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-231.jpg?sign=1738995269-2vmKTaC6l7au03EeZHm4lhZzBWLgdf5A-0-5b80f255213467ca139386a5b7070f79)
图4-97 圆角结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-232.jpg?sign=1738995269-2hOcya1i5KpnPIbHDLoQedFLCP4PJrBG-0-38c500cb632a81887ac97a1848379afe)
图4-98 窗交选择
Step 15 重复上一步操作,将沙发图形再复制一份。
Step 16 单击“默认”→“修改”→“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。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-2.jpg?sign=1738995269-4yVEgjuMl1BDZrMWDbdOfXxWntNJxzIq-0-5a062e71b0cea90bc9bcc8d82a7292ab)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-184.jpg?sign=1738995269-bf21XZH9X2TbA7MYKc4Sa3ArJ8EXWWCQ-0-5b049099f9cbae2d156a2fb4c938e46e)
图4-99 快捷菜单
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-185.jpg?sign=1738995269-sAbfgOgcv3iHCQiB36IB9L6WoOcMURu4-0-f1eb502eb0a0867401be63490eb65605)
图4-100 窗交选择
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-186.jpg?sign=1738995269-E0az8Lkl1JGrIGEL95iA64ZAGTtSTsiG-0-bb2c77ddeffbbf179b2ddf6237f69827)
图4-101 引出极轴矢量
Step 17 使用快捷键L执行“直线”命令,配合中点捕捉功能绘制分界线,如图4-103所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-209.jpg?sign=1738995269-M9LFXCWPUZQhafsioXzwIQ6Mibd6VDGV-0-a8522b238d3a88057b33e02a656afbed)
图4-102 双人沙发拉伸结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-210.jpg?sign=1738995269-PgKSPOIvF0ILEcBfaT0plx1uK2UQjKju-0-9c1ab6f99bf6e0b5d539ef6b96b523d9)
图4-103 分界线绘制结果
Step 18 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。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-1.jpg?sign=1738995269-uagDKIOGFgRhsiSx2WK8Wqjzq6dEWj7V-0-f083ffbc6fe0b0fc7a407e9a60a449b9)
Step 19 使用快捷键L执行“直线”命令,配合对象捕捉功能绘制两条分界线,如图4-105所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-255.jpg?sign=1738995269-dVIzZiBvXTRRz8K3So4gXx1NJEv3jpRQ-0-4c0f99cf7f895800d05992b81fe8a097)
图4-104 三人沙发拉伸结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-256.jpg?sign=1738995269-Eam45L70lqAhXyYXpUxFyzY12fQVC3M6-0-a84a3c383d7b3301de36b757002590c3)
图4-105 两条分界线绘制结果
Step 20 单击“默认”→“修改”→“旋转”按钮,将双人沙发旋转90°。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-2.jpg?sign=1738995269-1NqSFl8YqB4wgJsf0RcpyW1UTCZ0Bzv0-0-7b98be06d80b5d2ed1d6071fa7d51e60)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-279.jpg?sign=1738995269-l2DBh3j9xv6T6LhOT09x0RvrgFRqsFX1-0-003ee93bcef4b3e369136b286d9c78b5)
图4-106 窗口选择
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-280.jpg?sign=1738995269-Vz4jmxAgjA49JmWkQyP8jqQNbfxSlWZ4-0-a6b702b372266bfa8343ceefb4c90704)
图4-107 旋转结果(一)
Step 21 重复执行“旋转”命令,将单人沙发旋转-90°。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-1.jpg?sign=1738995269-0s5BNO5uh8T9EdDYpKHGRSiEYRdgExe4-0-55ba1d81240c5cdc63398a23e12c416f)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-205.jpg?sign=1738995269-dzeKwSh5Oaqyr0WMGb2qXUqcp1AsbIGs-0-bffd60cc198638c8740c31123c33f690)
图4-108 选择单人沙发
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-206.jpg?sign=1738995269-5mEbeS726ztxOpFSxSbhjarYGmf6GKS3-0-3e272feef0c9ba3c788b5d23676e8b16)
图4-109 旋转结果(二)
Step 22 使用快捷键M执行“移动”命令,将单人沙发、双人沙发和三人沙发进行位移,组合成沙发组,组合结果如图4-110所示。
Step 23 使用快捷键REC执行“矩形”命令,绘制矩形作为茶几,如图4-111所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-251.jpg?sign=1738995269-fFrO6OKnAQ5dFjOGp7MGDuLTOt2wJhFX-0-c640a1eb38350a4861c3f2098a7cb59a)
图4-110 组合结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-252.jpg?sign=1738995269-Syb2hR9UaJqyFXFEqqzGrXRR1axofAEB-0-6f7c715ddacd725601d29f0ce1cdccb3)
图4-111 绘制结果
Step 24 单击“默认”→“修改”→“旋转”按钮,将图4-111中的沙发组旋转180°。旋转结果(三)如图4-112所示。
Step 25 执行“缩放”命令,配合两点之间的中点功能对茶几进行缩放复制。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-2.jpg?sign=1738995269-w1Er4QbB5qyYw6rl9cPiRIcDXtHTaLpn-0-4c30ebfb0bdcd4c0421772c0951dd939)
Step 26 使用快捷键H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,如图4-114所示。为茶几填充图案,填充结果(一)如图4-115所示。
Step 27 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,如图4-116所示。为沙发填充图案,填充结果(二)如图4-117所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-187.jpg?sign=1738995269-xEK7rohNGC1NLjy77dl8WIau2VXkKiwv-0-2e19658e0521d76b2cdfd474be0383dc)
图4-112 旋转结果(三)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-188.jpg?sign=1738995269-KaXmfSYJtXozV3gMphiD12TBxEsSc4sV-0-45bc9716a540ddedc6c79e8a8e3d6054)
图4-113 缩放复制结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-189.jpg?sign=1738995269-CSyhWvfT6k1TEDwEBrQ9ABcZkPraDyyN-0-93379921d2c4bf5491ad9ccdc2509f74)
图4-114 设置填充图案和填充参数(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-190.jpg?sign=1738995269-gS4roLs3XeqI7Ql2Qpg7Iy6USkU09Nqk-0-3b6e6764f0040fa63367d5531332e933)
图4-115 填充结果(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-191.jpg?sign=1738995269-jTTfLOmBFjtwkOJMhOpZbQdhgAupBzBM-0-8a1864260b0fdd5e83d82e39cffec6d9)
图4-116 设置填充图案和填充参数(二)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-192.jpg?sign=1738995269-GNAQRWR3x7JhJ4hLGBSWBJLedP52XX4w-0-6f4d63448bbf526af011cc1497cd9d5b)
图4-117 填充结果(二)
Step 28 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,如图4-118所示。为沙发填充图案,填充结果(三)如图4-119所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-215.jpg?sign=1738995269-yZaZDPrUlSA14J96pZBDobS5SWneaFYY-0-a2d0f7f034672fa3159088e9e5c989c9)
图4-118 设置填充图案和填充参数(三)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-216.jpg?sign=1738995269-twgPIbgAQWLyPBGg1phk3T0S36lH4G5O-0-72588887191071425c8db44663c5d052)
图4-119 填充结果(三)
Step 29 执行“保存”命令,将图形存储为“上机实训二.dwg”。