Pleating effect
Gimp-Forum
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9h ago
here is a simple photo, post-processed with Gimp to give a pleating effect : it is titles "Curtain Villeggiatura" like a holiday scent   curtain villegiatura.JPG (Size: 476.2 KB / Downloads: 22) https://mjbarmish.fr ..read more
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Global Windows Outage
Gimp-Forum
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2d ago
News today here in AU, airlines have stopped flying and media companies are off air due to a Windows workstation issue ..read more
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Wavelet-decompose doing magic
Gimp-Forum
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2d ago
Hello All! Could someone explain to me if what I'm getting is the way the Wavelet-decompose filter should behave? 01- I downloaded an image - https://wallpapercave.com/wp/wp12859845.jpg ; 02- I added an alpha channel to the image layer; 03- I duplicated the layer; 04- Using the Paths tool I traced an outline on part of the image of this new layer; 05- I did Path to selection, inverted the selection and deleted it; So far, no news, a common sequence. Then on the layer with the cutout and transparent background I applied the Wavelet-decompose filter ( Filters-Enhance-Wavelet-decompose), defa ..read more
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Dewarping photographs of documents
Gimp-Forum
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3d ago
Good day all.   In my spare time I convert photos or scans of rare technical documents to readable PDF files.  Many of the photographs originate with unknown persons and I receive them third or later hand and the quality is what is politely called poor - see a typical example below where I have roughly edited out fingers at the top. For some time I have been addressing warped pages photographed by persons unknown by using PerspectiveCropper to basically get all the corners about where they belong and then using ScanTailor to convert the images into clean PDF documents.   Becaus ..read more
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Need help creating a texture.
Gimp-Forum
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4d ago
Hey all, I'm trying to create a material and one of the textures I need to make is far outside my skill in using gimp. The texture is for a D6 die, I'm trying to switch out the dots with numbers. This is what I'm starting out with. What steps do I need to take to make the effect? I've already isolated the number. I just put this here for you all's benefit.. This is the overall effect I'm trying to apply to each number, those edges with changing color gradient. Also want to paint this texture inside each number. Thanks in advance for the help ..read more
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Using a watermark and "Brightness-Contrast" menu appearing uninvited and will NOT go
Gimp-Forum
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4d ago
Dear Fellow GIMP User, I am using GIMP 2.10 I have been using GIMP to add watermarks (via layers) to the photographs in our Local History Collection before I upload them to our Library Catalogue and other online sites. I have had no problems before now. But today a ghost has gotten in my computer. I open my photo, add my watermark and unbidden a menu window called "Brightness-Contrast" pops-up and I don't want to adjust brightness, I didn't press it it. I press 'Cancel' and the menu window comes back. I press "OK" and the menu window comes back. I hit the "X" in the top right hand of the me ..read more
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Total Newbie - Removing Checkered Background
Gimp-Forum
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4d ago
I'm trying to remove the checkered background and replace it with a white background.  I looked at several vids on youtube but none really explained it.  It's probably easy but I'm opening this up for the first time.  Thanks   Bolt.png (Size: 2.06 KB / Downloads: 22 ..read more
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What is the gamma encoding and why are my color computations wrong?
Gimp-Forum
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4d ago
So, you tried to predict or emulate Gimp's behavior with math and failed. And you wonder why. You have come to the right place, take a seat and fasten you seat belt. The root cause is that our eyes are not linear devices. If you double the power output (for instance, switch on a second light), you don't perceive the room twice as bright. Somewhat brighter, yes, but certainly not twice as bright. Furthermore, our eyes are more sensitive to small differences between dark tones that between light ones. So, when pixel color values are encoded on a byte, encoding the physical output directly ..read more
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Background disappears when using Scale Tool
Gimp-Forum
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5d ago
Brand new gimpster here, please be gentle! I'm using GIMP 2.10.30 on Windows 10 64-bit. (Irrelevant, but background): I am trying to prepare eight individual photo crops (of the same size), ultimately to drag into a master montage/canvas featuring all eight. My problem:  I appreciate there will be easier ways of doing this, but as I'm a newbie, I am following Method 2 of this YouTube video as it seemed fairly straightforward to follow: https://youtu.be/dQSlqcMCKx0?t=221 Unfortunately, when I get to the step where I choose the Scale tool (Tools>Transform>Scale), my background i ..read more
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Add Transparent Window to Existing
Gimp-Forum
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1w ago
I've searched all over and I can't seem to find the answer to my question. I have a PNG image of an airplane fuselage with two windows that are transparent. All I want to do is to add a third window between them, and I can't make it work. I've read that I need to create a new layer and 'Add Alpha Channel' but that option is greyed out. I also read that if I do Windows --> Dockable Dialogs --> Channels and see 'Alpha' as an option (which is there) that means the Alpha Channel has already been added, which I guess makes sense because there are already two 'windows' on the image that are tr ..read more
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