1、首先我们打开iPhone手机自带的测距仪软件,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0dd7912397dda1449afe7feabdb7d0a20df486f6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、进入测距仪的时候,摄像头将会被打开。界面中会出现一个圆圈,中间有一个小圆点,将这个点对准你想要测量距离的物体的一端,然后点击【+】符号添加图标,这个点将作为测量的起点,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/37d12f2eb9389b500099f30a8a35e5dde7116e07?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、沿着你需要测量的物体移动,屏幕上会有一条黄色虚线显示你的移动路线,以及目前为止的长度,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/902397dda144ad34619494dfdfa20cf431ad85ba?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、之后当将小圆点移动到物体另一端后,再次点击【+】符号添加图标来设置测量的终点,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f9dcd100baa1cd11e2d06178b612c8fcc3ce2d07?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、最后测量的物体的长度就会显示在屏幕上了,如下图所示。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7e3e6709c93d70cfb126b955f7dcd100bba12b8d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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