![]() The above method works well with simple images like logos that are basic in design and have an easy-to-define background. How To Erase to Transparency for More Detailed Objects When saving this image, you’ll want to save it as a PNG file to preserve its transparent layer. What was previously there will have changed to a black and gray checkerboard denoting that it’s transparent. Your image will now have a transparent background. Select “Edit” from the drop-down menu and then choose “Clear.”.For multiple areas, you can hold down the “Shift” key on your keyboard and tap to add other areas. Next, click on the area you want to erase.Choose the “Fuzzy Select” tool from the toolbox on the right side of the screen.Select “Transparency,” and then from its submenu, choose “Add Alpha Channel.”.Click the “Layer” menu from the top of the screen.Open the GIMP file you want to remove the background from and make it transparent.After that, select the border of the region to become transparent, and then click "delete" on your keyboard.To learn how to do this, follow the steps below: ![]() To make it it a lot easier, you could just right click to get to the "select" option. That would be preferably PNG, but GIF would work as well. to a file format which supports transparency. įinally, export the transparent image with File → Export As. Once the desired transparency area is selected, simply hit. When this happens, use +Drag with a Select tool of your choice to select a subtractive selection area. In this case, and barely visible, nine desired pixels in the middle of the pipe were also selected for deletion. Some of the desired image area might be selected as well because the colour matched. In between, hit + to undo.Īt times, it proves difficult to get the colour selection exactly right. Again, run a few tries while adjusting Threshold for best results. Nonetheless, do experiment with these settings and choose what looks best. For this particular example I chose not to apply Antialiasing nor Feather edges. This time around, do select Fill transparent areas as well as Sample merged. It might be tempting to perform Colour to Transparency, however this would also change semi-transparent areas within the desired image area. The right thing to do now is Select → By Colour. However, one can also use the eyedropper tool to pick a colour from anywhere on the desktop. Here, I used f3f3e9 as a background colour for plain colour filling. (In this respect, Adobe Photoshop is no different.) Hence, choose a colour which is compatible with the background on which the resulting picture will eventually be used.Ĭlick on the background colour rectangle in the upper half of the Tool Options toolbox window to change the background colour. Some colour mixing will be inevitable and even desired. Do select BG colour fill and Sample merged and run a few tries while adjusting Threshold for best results. Within the Bucket Fill toolbox options, select Fill transparent areas only when necessary. The next step is optional and consist in filling the area that should become transparent with a plain colour. This is done by selecting Layer → Tranparency → Add Alpha Channel. If this is the case, add an alpha transparency channel. Some image types lack a transparency channel JPG for example. Note: This tutorial is also available in PDF. To fill in the transparency with another color, create another layer under the one you want to fill in the transparency to and use the bucket tool to color that layer whatever you want (or with a pencil for multiple colors.Īnother method of doing this is to change the threshold on the bucket all the way toĠ if you only want to fill in 100% transparency.Īlso, a pencil that draws transparency is called an eraser ) Solution 2 Bucket Fill Transparency with GIMP
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