How do you make layers partially transparent?
Select the desired layer, then click the Opacity drop-down arrow at the top of the Layers panel. Click and drag the slider to adjust the opacity. You’ll see the layer opacity change in the document window as you move the slider. If you set the opacity to 0%, the layer will become completely transparent, or invisible.
How do you subtract a layer mask?
Shortcut: To quickly Subtract, simply Ctrl-Alt-click on the mask.
How do you create a layer transparency mask in Photoshop?
In the Layers panel, select the layer. Choose Layer > Layer Mask > From Transparency. You can Shift-click the thumbnail to disable it and make the image and its channels opaque. Photoshop converts transparency into an opaque color, hidden by the newly created mask.
Is it possible to subtract one layer from another in Photoshop?
The way these masks work is that it hides the parts of the layer that you don’t want without damaging the layer. PS: Ctrl+click on the mask shows only the contents of the mask (like I did in the example below when you can only see the light bulb in b&w). Ctrl+click again to come back to normal.
Can you have more than one transparency channel in Photoshop?
You can have multiple alpha channels per document, but only one transparency channel. Photoshop handles transparency and alpha channels separately. Transparency from an existing PNG can be edited in Photoshop by creating a layer mask from the transparency data (see steps below).
What happens when an image contains a transparency channel?
If an image contains a transparency channel, it is NOT displayed in the “Channels” window. Instead, the “Layers” window contains exactly one layer entry (displayed in non-italic font) and no background layer entry. If an image contains multiple layers, the “Layers” window contains more than one layer entry.