How to subtract one layer from another layer in PS

ps The method to subtract one layer from another is: 1. Open PS and create a new canvas; 2. Use the rectangular marquee tool to create two selections (the two selections need to overlap) ;3. Hold down the ctrl key and click the thumbnail of selection 1; 4. Hold down the alt key and click on the thumbnail of selection 2.

Specific method:

First, open PS and create a new canvas. Create a new layer 1, use the Rectangular Marquee Tool to draw a selection, and fill it with the foreground color;

Then, create a new layer and use the Rectangular Marquee Tool to draw a selection. , fill with another color;

Note: In order to demonstrate the subtraction of two layers, the second selection needs to overlap with the first selection.

If we want to get the selection of layer 2 minus layer 1, first hold down the ctrl key and click on the thumbnail of layer 1 (load layer 1 selection), do not let go of the ctrl key;

Then, hold down the alt key (that is, hold down the ctrl alt key at this time), click on the thumbnail of layer 2 (hold down the two keys to change the image Layer 2 loading selection);

Result:

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