Why merge layers in photoshop




















You can rein in a fast-growing Layers panel by tucking layers into folders called layer groups. Then you can add some color-coding blue for background, red for photos, and so on to make it easy to quickly spot the group you want to work with instead of wasting time scrolling through the Layers panel.

Layer groups not only help you shorten your Layers panel, they also let you apply masks to all the layers in the group simultaneously. Here are the different ways you can group layers:.

Straight from the factory, the blend mode of a layer group is set to Pass Through, meaning any Adjustment layers or blend-mode changes within the group trickle down and affect any layers underneath it. For more on this blend mode, see the box on Pass Through Mode.

You can do the same things to layer groups that you can to regular layers: duplicate them, hide them, lock them, color-code them, and so on. You can also create nested groups by dragging and dropping one group into another see the box below for more info. Whichever method you use, Photoshop deletes the group but leaves the layers intact. Either way, Photoshop displays a dialog box asking whether you want to delete the group and all the layers inside it, or just the group itself leaving the layers within it in the Layers panel.

If you activate a group and then press the Delete key, Photoshop deletes the group and all the layers inside it. Photoshop can help by saving multiple versions of the document as layer comps —snapshots of your Layers panel in various states see Figure This method is much better than having to juggle multiple files you could lose track of. Photoshop lets you nest layer groups up to 10 levels deep, meaning you can put a layer group inside of another layer group that lives inside yet another layer group that lives…well, you get the picture.

For example, a photographer might have a layer group named Retouching with another group inside it named Healing, which houses another layer group named Nose, and so on. This kind of organization works great until you have to share the file with someone using a version of Photoshop earlier than CS5. Flatten makes Photoshop preserve the appearance of the original document provided the document was saved using the Maximum Compatibility option discussed on File Handling but not its layers, which makes further editing impossible.

Like layer groups, layer comps work only if your document has more than one layer. Top: Give each layer comp a name that describes that version of your design.

Then you can use the arrow buttons circled here to cycle through the various comps. Bottom: Showing, hiding, and rearranging layers lets you quickly produce several versions of the same design. For instance, you could start off with a baseline version and record what it looks like, then make some changes and record the new version, and so on.

The button looks just like the New Layer button—a piece of paper with a folded corner. This process takes your currently selected layers and combines them—any changes you make to that layer will now affect all of the merged components. Photoshop allows you to hide certain layers from view. You can do this by pressing the Eye symbol icon next to a layer in the Layers panel on the right. Hidden layers will appear with a black box icon, while visible layers will appear with the Eye symbol.

With certain layers hidden, you can then merge all visible layers together. Only certain types of image files allow you to use layers. Using layers makes it easier to edit your image, but if you prefer, you can merge all of your layers together.

Photoshop will do this automatically if you save your image as a PNG or JPG file, but if you want to do it manually, you can. To make any hidden layer visible, press the sunken square icon next to the layer in the Layers panel.

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Browse All Privacy and Security Articles When working with multi-layered Photoshop documents, you often reach a point where you need to flatten the image. Usually it's so you can sharpen the image for print or for uploading to the web.

Or you may want to move the image to another layout or design. But while Photoshop does have a Flatten Image command, it's not the solution you're looking for.

When you flatten the image, you lose all of your layers. And if you save and then close the document after flattening the image, those layers are lost forever. So in this tutorial, I'll show you a better way, one that's entirely non-destructive. You'll learn how to merge your layers onto a separate layer and keep your existing layers intact!

But there's a trick. Instead, you need to know a secret keyboard shortcut. And while not everyone is a fan of keyboard shortcuts, I think you'll agree that this one is definitely worth knowing.

Method 3. It's at the top of the screen. Click Merge Visible. All visible layers are now merged into one. If you want to merge all layers, including hidden layers, you can choose Flatten Image from the menu instead. When you flatten an image, any transparent areas will be filled with white.

Method 4. Use this method if you want to create a new layer by merging two or more existing layers without affecting those layers. You can also merge sets of grouped layers. This creates a brand new layer containing the contents of the selected layers.

The original layers have not been merged, so you can still edit them separately. Method 5. Link layers to move, edit, and copy without merging. Linked layers stay discrete, meaning you could edit them separately if you wanted. However, every time you click on one linked layer, you automatically adjust the layer s it is linked to as well. This is a good way to make large changes to many layers without having to merge.

Group layers to work on specific sections at one time. If you've got a series of layers that all make up the same image, such as a shading, sketching, and inking layer for a small animated character, you can group them together, allowing you to see and work on just these layers in the larger image.

To group: Select multiple layers in the layers panel. Right-click and select Group from Layers. You can also drag the layers onto the little folder icon in the bottom of the layers panel.

Troubleshoot issues by rasterizing any layers you can't group or edit. This is only an issue, on occasion, with merging. Still, if none of your options come up to merge, try to: Right-click the layer and select Rasterize.



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