在PS里面图如何做一个半圆方法如下:
1、选中工具条椭圆工具,同时按住shift键,在文档中创建一个圆。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d52a2834349b033b6126d88f1fce36d3d539bd3c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、再选中工具条直接选择工具,在圆的边上点击选中最下面的角点,注意,选中的角点的状态会由空心变成实心,如下图箭头所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd1001debdf74788b4710b9122f6b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、按下键盘上的DEL键,删除这个点,可以看到圆的半个路径也被删除掉了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b2de9c82d158ccbfe031936f13d8bc3eb03541d1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、接下来通过工具条的钢笔工具将得到的半圆进行封口操作,使其变成真正的半圆。选中工具条的钢笔工具,先按住键盘的ctrl键再点击路径,将路径的角点层级状态显示出来
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9345d688d43f8794159a687bd81b0ef41bd53a79?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、接下来再按住alt键依次点击水平的两个直径角点。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5366d0160924ab182812c2623ffae6cd7b890b5a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、最终一个完美的半圆路径就被创建出来的,效果如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d31b0ef41bd5ad6e6b5d47bf8bcb39dbb6fd3c3a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)