If you want to apply a transform operation on multiple layers in GIMP – scale, rotate, or move – then the fastest way is to link your layers in the Layers palette. But there are a couple of tips and tricks I can pass on to help you make the most out of the GIMP layer system, and hopefully speed up your workflow at the same time. Transform operations change the size, rotation, and position of your image objects, but GIMP doesn’t allow you to apply other edits like contrast adjustment or filters to multiple layers at once.Īs I said earlier, the layer system in GIMP is a bit of a mess at the moment. Wait, what? Yes, you read that right, unfortunately.Įven though you can’t select multiple layers at once, you can apply transforms to multiple layers. Many Photoshop users expect GIMP to handle layers in a similar way (including me, when I first started using it), but GIMP has other ideas: it actually doesn’t let you select multiple layers. GIMP’s layer system is extremely confusing at the moment, so don’t feel bad if you’re getting frustrated with how it works – or rather, doesn’t work. Want to learn more about how GIMP works? Check out The GIMP Series – a comprehensive collection of over 60 videos where I go over all of the major tools, features and functions in GIMP and explain what they do, how they work, and why they’re useful.Advanced editing projects usually involve working with layers, since they’re the best way to keep your image elements separate and organized. If you had any trouble following along with this lesson though then feel free to leave a comment below and I’ll see what I can do to help. Thanks to the ease of use of GIMP’s Alignment Tool, knowing how to center a layer in GIMP is simply a matter of clicking a few buttons. Play around with it a bit to get a feel for how it works. You can also use these buttons to align your layer to other areas of the image - not just the center. Step 5: Use the tool settings interface to center your layerĪssuming you’ve followed each step correctly up until this point, all you have to do now to center your layer is simply click the center buttons in the user interface: Click the alignment buttons outlined in red above to center the layer.Ĭlicking each of these buttons will move your layer to the center of the canvas, both vertically and horizontally. For this demonstration we will be centering the layer relative to the image. If you’d like to center the layer relative to something else, you can choose from any of the following options:Ĭhoose whichever one best applies to your scenario. This makes it so that we’ll be centering the layer on the canvas. This will allow you to center the layer on the canvas. In the tool settings menu, click the dropdown labeled as “ Relative To” and select “ Image” from the list, assuming it isn’t already set: Make sure the Relative To is set to Image. In this next step we will have to define what exactly we’ll be aligning the layer to the center of. Step 4: Set the “Relative To” to “Image” in the tool settings This is because you won’t be able to click on the target layer if there’s object placed above it. Note: if your layer is layered beneath other contents then you may have to temporarily disable them while centering your layer. You should notice four white squares in each corner of the layer: The white squares in the corners indicate that the layer is ready to be centered. With the Alignment Tool selected, click on the contents of the layer (on the canvas) in order to activate it for aligning. Now that the layer is primed for aligning, grab the Alignment Tool from the toolbox: The Alignment Tool is located in the toolbox, outlined in red above. Step 3: Grab the Alignment Tool and click on your layer to activate it If your layer is already cropped to its contents then you are good to go. Inspect the boundaries of the layer and erase any unnecessary pixels. If this doesn’t happen then it could be because you have pixel data added elsewhere on your layer. You should notice the bounding box around your layer - represented by a dotted line - shrink to fit nicely around the contents of your layer: The subject on the right is cropped to its contents, indicated by the dotted bounding box around it. Otherwise the contents of your layer may not be centered. Or, in other words, ensure that the bounding box of the layer fits your subject and doesn’t extend beyond it. Whenever you center a layer in GIMP you’ll first want to make sure that the layer is cropped to its contents. Select > None Step 2: Crop the layer to its contents
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