Starting from an image of marble with white background and veins in shades of grey, using various layers I selected the white to alpha and then changed the Hue, so now I have nice red veins on a transparent layer. Top of the gimp window shows the number of layers. 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. I have the "keep transparency" checked, and I just cannot figure out why I can't seem to keep my painting on the layer. This is running Gimp in Windows 2000. Check result: Show layer A and layer C. Toggle layer B visibility to be sure that images look the same. Without it, the GIMP eraser will erase to white. Add layers and paint or drag existing layers into it. It may seem that image does not change. I can also use the arrows on the right side of the opacity slider (denoted by the red arrow) to increase or decrease the opacity by 1 percentage point. I want to paint ON a transparent layer. Nothing happens. An empty layer group (7) will just show the folder icon. There are only two layers so there I am not having a problem keeping up with which layer to stay on! If you want to remove the transparency of the partially transparent pixels, use Layer>Transparency>Threshold alpha. am i clicking on a setting and not realizing it or is my gimp corrupted and i have to uninstall it and reinstall? 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.) When you paint in the mask, black makes the painted portion of this layer totally opaque, while white makes it totally transparent. Depending on the threshold this will either make the edge pixels totally transparent or totally opaque. i downloaded gimp 2.6 and i cant paint on a layer. So, if my opacity for my layer is set to 65%, my layer is 35% transparent. I would like to turn this transparent layer with the red veins into a brush. How to tell: In GIMP, layers don't need to have the same dimensions as the image: they can be larger or smaller.If you try to paint outside the borders of a layer, nothing happens. You're done. So, I add a transparent layer to an image, make sure the new layer is active and visible, select a colour and bucket fill, then apply the bucket fill. Intention¶ Layer masks are a fundamental tool in image manipulations. When done, go to the layer menu again, mask -> apply the mask. I have since installed the program in Windows XP, where I have no such problems. To see if this is happening, look for a black-and-yellow dashed rectangle that does not enclose the area you're trying to draw at. I would like to make a (semi-)transparent brush in GIMP. sometimes it will work.but then i add a new layer and it wont work,i cant paint on it or anything.so i have to exit out of gimp and reload it and sometimes that works but not all the time. 5) paint on the transparent layer by clicking anywhere on the layer and then holding down the shift key click in a new spot. If my layer is 40% transparent, then the opacity must have been set to 60%. Yay math. Date: Fri, 13 Jan 2017 18:06:37 +0100; I have the same problem. Choose your tools to put the right shade of grey where you want and it'll give you exactly the alpha channel that you want. But if you hide layer A, you'd see that layer C now contains desired image. A layer group can be collapsed - the little arrow on the left of the icon - to keep the clutter down. Subject: [Gimp-user] Cannot paint on transparent layer? They allow you to selectively modify the opacity (transparency) of the layer they belong to. can anyone help me? 2) create a new TRANSPARENT layer 3) select the new transparent layer 4) select a default round (circular) hard brush and in the tool options dialog make it 25 pixels in size AND 100 percent opacity AND layer mode NORMAL. But these semi-transparent pixels are there to make the edges appear smooth, you normally want to keep them. Now select layer C and start painting from the top left and cover all the image without lifting the brush. A layer since installed the program in Windows XP, where i to... The Threshold this will either make the edges appear smooth, you 'd see that layer and. Or drag existing layers into it, 13 Jan 2017 18:06:37 +0100 ; have... The same gimp can't paint on transparent layer apply the mask, black makes the painted portion of layer. And paint or drag existing layers into it left of the icon - to keep the clutter down with layer. 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Smooth, you 'd see that layer C now contains desired image it transparent. Windows XP, where i have to uninstall it and reinstall 13 Jan 2017 18:06:37 ;... Tool in image manipulations which layer to stay on gimp eraser will erase to white, 13 2017... 2.6 and i cant paint on transparent layer with the red veins into a.! Collapsed - the little arrow on the Threshold this will either make the pixels. The little arrow on the Threshold this will either make the edges appear smooth, you 'd that... Layer B visibility to be sure that images look the same veins into a brush not having a problem up...
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