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4.1 对照片进行拉伸
这张照片里的建筑有点向后倾斜,如图4-3所示,如何进行调整呢?
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_22_03.jpg?sign=1738937832-P0IiH6SvLimYY8u6SJddPjOVFGWDngmU-0-c24ebfb84a948f18ad3708928914586a)
图4-3
一种方法是单击“背景”图层,按Ctrl+J组合键对这张照片进行复制,如图4-4所示。
选中复制得到的图层,按Ctrl+T组合键调取“拉伸”命令,然后按住Ctrl键的同时拖曳鼠标将照片的左下角向左适当拉伸,再松开鼠标和Ctrl键,如图4-5所示。
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_23_01.jpg?sign=1738937832-in8ebULEBI2DsGpYFAxxxWDNXiYgJBP7-0-4f106cde9f6620945564775d9188c20e)
图4-4
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_23_02.jpg?sign=1738937832-mI97VBbz1VADDBSASg0rOWJYtlkUpt69-0-5c5fd83d56029f7cef3d24d86148f96e)
图4-5
将照片右下角向下适当拉伸,如图4-6所示。
将照片右上角向右适当拉伸,效果如图4-7所示。
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_23_03.jpg?sign=1738937832-bIsdANVjQpcss4GlcYgYo6Z7L0zsZh9t-0-3fb203720ee87b944574cc4c65cda55f)
图4-6
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_23_04.jpg?sign=1738937832-piOmkVvAJrJepF6XOMPR8Vm1yaofM3vW-0-334b635674fd83494d40c1e4ac55c059)
图4-7
另一种方法是单击菜单栏中的“视图”,选择“标尺”命令,显示标尺,如图4-8和图4-9所示。
移动鼠标指针到左侧标尺上,然后按住鼠标左键拖曳鼠标到合适的位置后释放鼠标左键,得到一条参考线,如图4-10所示。
然后按Enter键,这张照片调整后的效果如图4-11所示。标尺用完之后可以按Ctrl+H组合键隐藏标尺,再次按Ctrl+H组合键可以显示标尺。
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_24_01.jpg?sign=1738937832-iUO7cNbLNJoMDsU2A6tazqTDGesj2fDW-0-b9782bbffcb81a876431b9f31f84407f)
图4-8
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_24_02.jpg?sign=1738937832-Ub8kxTjG1kiTzmXikfn3GCOIci0P1gyP-0-f7b46314acc3ae53eb1290a4842bc09b)
图4-9
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_25_01.jpg?sign=1738937832-WKymqigTMUowzUe3StS1fk7HcdHavS1Q-0-8d4f4b984a90e06ecf4f866a38110b48)
图4-10
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_25_02.jpg?sign=1738937832-c3dgbINvjvyEmJOLChtZz7Y4QP3jQcBO-0-0c01c9457aab4043ff02147c7fc669f1)
图4-11
还有一种方法,单击左侧工具栏中的裁剪工具,单击“拉直”,如图4-12所示。
把建筑的墙体作为参考线,单击一个角并按住鼠标左键,拖曳鼠标到合适的位置,如图4-13所示。
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_25_03.jpg?sign=1738937832-ewLPLMjOPQT2FOTYuhTNtxSBhY1UEuZS-0-d64d69c7bddd2475d62754d450b61b71)
图4-12
然后松开鼠标,效果如图4-14所示。
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_25_04.jpg?sign=1738937832-Eq3DFHlzPCs9VPnqDLtIEMdD8L1iaXFo-0-a8ae73f57958965308a8768813163df5)
图4-13
![](https://epubservercos.yuewen.com/B01156/28951566203417106/epubprivate/OEBPS/Images/62871_25_05.jpg?sign=1738937832-2dTCHdgYUDHiLvNQuV9MTkU7jUAQa7nS-0-39cca08f9faba75afc7f8c809bfde30e)
图4-14