Hide All Layers的意思|示意

Open animation window. For the first frame hide all layers except the original one.

打开动画窗口，隐藏原始图像外的所有窗口。

Open animation window. For the first frame hide all the layers except the most dark one. Select the circle layer and reduce the opacity to 10%.

打开动画窗口。首先选出最暗色的图层保留将其他图层进行隐藏，选中圆圈层，将其透明度设置为10%。

Select and merge all the layers. Duplicate the layer and hide it.

再次合并所有图层。复制图层，并将原图层隐藏。