Go to the "File" menu and click "Open". If you've ever used GIMP then you will know that it's not the most intuitive graphics editor to learn to use. If this is not the case, add a new alpha channel from the layers menu; Layer + Transparency → Add Alpha Channel.
As has already been discussed briefly in this series, layers can contain transparency to a varying degree, or they can be totally opaque. 0 Comments. Open your image. Add Alpha Channel: This option makes a non-transparent layer capable of handling transparency, though it does not make it transparent. To prove that point, I frequently open images in Kolourpaint (the Linux equivalent to Window's Paint) to make minor edits then re-open them in GIMP to do the bits I can't do in Kolourpaint and vice-versa. The “ Transparency ” submenu of the “ Layer ” menu The Transparency submenu contains commands which use or affect the alpha channel of the active layer. 7.32.1. The most common reason why the eraser tool isn’t erasing to transparency is because there isn’t an alpha channel added to the layer. Copy and paste an image either from your disk or from another GIMP file in the new file that you just created. 1. Without it, the GIMP eraser will erase to white. To add an alpha channel you can bring up the Layers dialog by pressing Ctrl+L, right-click on the layer you want to edit and select Add Alpha Channel there. Without it, the GIMP eraser will erase to white. With it, it’ll erase to transparency. GIMP Layers: Layer Transparency. For my posting thumbnails i wanted to use a transparent gradient (my pictures should fade from opaque to transparent). GIMP Layers Layer Transparency Davies Media Design . The original XCF file contains background layers that you can remove. Add an alpha channel for it with Layers → Transparency → Add Alpha Channel if it doesn't have one already, and then cut the selection away from the layer (Select → Cut or Ctrl+X). The article covered the concept by erasing pixels directly on a layer, which I mentioned was a more destructive form of editing. Select the appropriate selection tool from the Tool window or the Tools – Selection Tools menu on the Layer window.
by Michael Davies | Jul 11, 2019 | GIMP Basics, GIMP Help, GIMP Layers, GIMP Tutorials. To check if the image has an alpha channel, go to the channel dialog and verify that an entry for “ Alpha ” exists, besides Red, Green and Blue. How Can i paint or fill with transparency in GIMP Discussion in 'The Graphics Zone' started by Danjamino, Sep 30, 2008. The Wilber image opened in RGBA mode . When you try erasing parts of an image when there's no alpha channel you get backround color. 2. At this point, it is important to check if the … Danjamino New Member. I know GIMP is a powerful graphics editor I just wish it were more intuitive. First of all, we will use the same image as in the previous tutorials, Wilber the GIMP mascot. You can access this submenu from the image menu bar through Layer → Transparency. How to make a transparent background/selection on an image using GIMP. In my last GIMP Help article, I covered the topic of layer transparency in GIMP – explaining that parts of a layer can be erased to reveal either a color (when no alpha channel is applied to a layer) or a transparent background. You are only limited by your imagination. It is a very handy tool for creating quick animation with the GIMP. Ratings: +8 / 0 / -0. i never quite figured out how i could make the rest of a layer transparent and see through too another layer ? An alpha channel is essentially a transparent layer that gets positioned beneath your image (even though there’s no actual layer for it in the layers menu.) like the grey and black checkered squares?