What does layer mean in ps

Layers are like films containing elements such as text or graphics. They are stacked together in order to form the final effect of the page. Layers allow precise positioning of elements on the page. Text, pictures, tables, and plug-ins can be added to layers, and layers can also be nested inside.

Create shapes in separate layers. Shape layers can be created using the Shape Tool or the Pen Tool. Shape layers are ideal for creating graphics for Web pages because they can be easily moved, aligned, distributed, and resized.

You can choose to draw multiple shapes on one layer. Shape layers contain fill layers that define the shape's color and linked vector masks that define the shape's outline. Shape outlines are paths that appear in the Paths panel.

Use of layers

1. Merge layers

When designing, Many graphics are distributed on multiple layers, and these determined graphics will not be modified anymore, so they can be merged together to facilitate image management. In the merged layer, any overlapping transparent areas will remain transparent.

If you want to merge all the layers together, you can choose options such as "Merge Visible Layers" and "Flat Layers" in the menu. If you choose to merge several of the layers, according to the content on the layer Some of them need to be deleted before they can be merged. After gridding, the "Merge Down" option appears in the menu. The layers to be merged are gathered together, and several layers among all the layers can be merged.

2. Layer style

Layer style is a very practical function of Photoshop 5, which can simplify many operations. You can use it to quickly generate shadows, reliefs, glows, etc. Effect. But they are all for a single layer. If you add a shadow effect to a layer, all non-transparent parts on this layer will cast a shadow. Even if you paint it casually with a brush, the shadow of this stroke will also be produced. To add a layer style to a layer, you can select the layer as the current active layer, then select the menu Layer - Layer Style, and then select effects such as drop shadow in the submenu. Or you can click the Add Layer Style button in the Layer Command Palette, and then select various effects.

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