If the snap to ruler Marks command is turned on, the ruler guide will snap to a ruler mark.

如果“自动靠齐”中的“标尺标记”命令已启用，标尺参考线将与标尺标记自动对齐。

youdao

For more distant subjects that were out of reach, a partner would snap his fingers to guide Sun in the right direction.

对于较远而无法感知的对象，同伴会打响指，把孙引到正确的方向。

youdao

Drag your top and bottom guide lines so that they snap to the top and bottom of your image (as shows in fig 3a & b).

拖动你的顶部和底部的参考线，直到他们吸附在图片的顶部和底部。

youdao

It's described in a recent patent filing, and the gist is that you select the backdrop and take an initial snap that acts as a guide for the next, similar to how some panorama modes work.

ENGADGET