What is a mask in ps

The layer mask is actually its blocking effect on the image on this layer (there are three types: no blocking, full blocking, semi-transparent blocking)

Use various drawing tools to paint on the mask (you can only paint black, white and gray). The mask becomes completely transparent where you paint black, and the image of the current layer is invisible. Painting white will make the painted part opaque, and you can see the image on the current layer. Painting gray will make the mask translucent. The degree of transparency is determined by the grayscale depth of the paint.

The biggest advantage of layer masks is that they do not destroy the image on this layer. You can edit these masks at any time to produce different blocking effects on the image on this layer.

You find three pieces of glass, draw something on each, stack them together and look at them. These are the three layers in Photoshop!

You can modify the painting on any piece of glass separately without affecting the painting on other glasses.

When you feel that you don’t want half of the content on a piece of glass to be included in the overall picture and you don’t want to damage the glass, you have a hidden potion that drips onto the glass. You can hide the image on this layer without affecting other layers!

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