Questions about GIMP, the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. Ask scripting questions on Stack Overflow, software support questions on Super User, and anything related to design here ...

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brightness-contrast does not operate on indexed layers

I want to darken a PNG image in GIMP. I open it and choose Colors | Brightness-Contrast. The application responds with the error message - "brightness-contrast does not operate on indexed layers". ...
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2answers
109 views

Recolour image based on lower resolution version

I want to recreate the following image at a much higher resolution, so it will be suitable for printing in large. I have found a place where I can purchase a high-resolution version of the ice ...
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How to move and align?

Can anyone explain how to move the star, so it is 64 pixels above the text and howto align the star horizontally with the text? When I use the Fuzzy Select tool on the black pixels, it only selects ...
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48 views

Script for GIMP to make a certain area transparent for several images

I would like to have a script to process a set of image files in png format, lets's say inside of one directory. We can also assume the images have the same size. The processing should contain of the ...
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104 views

GIMP: Remove text from background [duplicate]

Im completely new to image editing, so excuse my immaturity... I have the following image: I want to remove the writing on the blackboard and replace it with something different, keeping the ...
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64 views

Disable floating layer mechanism in GIMP

GIMP applies a floating layer whenever I paste content into a document. Unlike Photoshop, this requires me to create a new layer each time which is an annoyingly contrived and confusing process. How ...
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86 views

How to add a segment between two nodes? [closed]

Using path tool, I created four nodes, then in edit mode I connected the first and fourth nodes, and then stroked the path. All worked well. I have a rectangle. Now, I want to add a segment between ...
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28 views

filters don't work on a certain image

I found a PNG pixelated image on the net (16*16) and under the "Filters" blur effect are grayed out and unclickable. Even when I size it up it still doesn't get blurred (which happens by default). I'm ...
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234 views

Editing PNG in GIMP: is it possible to remove lines (used as arrows) and extrapolate the now blank squares?

I'm using GIMP to prepare this PNG file for vectorization in Inkscape. I've noticed that the vectorization process makes removing these lines far more tedious after the vectorization than before. ...
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463 views

How to draw icebergs like the following image?

I want to draw some icebergs in Gimp or Photoshop. In Gimp I tried Path Tool, and then I tried to fill in the colors with Bucket Fill, but this gave me a very bad result. So my question is if anyone ...
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505 views

How to create the drop shadow “We are Mozilla” effect?

The text "We are Mozilla" on this page: http://www.mozilla.org/en-US/ seems to have something of a "white" drop shadow effect that makes it seem embedded onto the page, somewhat. How can we ...
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237 views

How can I achieve the light arcing background in this image

I've tried finding a tutorial without any luck. Even if someone could describe the effect so I could better search for tutorials myself. I am trying to achieve the following effect as seen in the ...
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39 views

How to use GIMP to add a rippling effect on just a section of a picture

I want to add a rippling effect for a selection. But every time I select an area and add this animation, the entire picture is affected. How do I apply this effect just to the selection?
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21 views

Locating the coordinates of an element within a layer in Gimp?

I have a PSD which I've opened up in Gimp (because I currently don't have Photoshop) and I am having difficulty with locating any functionality on the Gimp UI that would help determine the positioning ...
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105 views

Loading Spinner Gif

I would like to create a loading spinner that looks like the one GitHub uses: Any tips on how to replicate this with another logo inside using Gimp? I am especially interested in this "interrupted" ...
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34 views

GIMP: increase transparency with the distance from image's center

I want to apply a transformation on my image which will cause that: Image will be at zero transparency in its center With increasing horizontal distance from the center the image will smoothly ...
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272 views

Can't make a png image that has transparent background

I want to make a transparent image, so I made image's background transparent like this. But exported PNG image was not transparent, it was kind of gray. What am I doing wrong?
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138 views

how could i make this look less vomit enducing? lines [closed]

maybe if i was radiating out some grey from the letters? to give them more shape, just like light grey emitating from the edges of the letters and dropping away to nothing within a few pixels, would ...
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126 views

Pixel Art in Gimp

I want to create some Pixel Art images with the help of gimp. when I wanted a pixel field of 8x8 I used to simply create an image with the width and height of 8 and used the pencil with the pixel ...
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69 views

Using GIMP, how do I fill the canvas with an image?

I have this in my canvas: What I want to do is cover the whole canvas with this image; the image is 250 px wide, so I want to add 3 more so the whole canvas looks like fire! How do I do that? ...
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704 views

Hard edges on bucket fill tool in Gimp

I am trying to fill a selected region using the bucket tool in Gimp. I want everything to have hard edges, no gradual shading unless I do it myself. However, when I fill the region I end up getting ...
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82 views

Is selective blur (this GIMP's one) available in Photoshop?

Here's how it looks like: http://docs.gimp.org/en/plug-in-sel-gauss.html It automatically blurs blurred parts of image, but preserving crisp edges and contrast. Is it available in Photoshop?
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709 views

GIMP transparency is not working

I followed this tutorial on GIMP to make an image transparent. Here is a snippet of the original image opened inside Windows Image Viewer (so the grey background is part of Windows Image Viewer, I ...
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150 views

Given an image modification on Gimp, how to obtain the convolution matrix

In Gimp, there is a convolution matrix tool which lets the user define his own convolution matrix, and then see the result on the image. I am writing software for image classification, and I need to ...
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188 views

Map borders on GIMP

I'm trying to create a map for Risk. I found an image scouring the Internet that fits what I want perfectly, except instead of having borders, each province is just a different color. I would like to ...
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468 views

Compress png images with Gimp

I'm getting a message from PageSpeed Insights that recommends to compress some png images. E.g: If compressing .../logo.png without loosing information, you would save 1.014 B (12% redcuction). ...
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473 views

Keeping colors on an image while setting full transparency

I would like to create an image from a map, where each country is colored in a different color, where the frontiers are in black, and in which each color except black is fully transparent, while not ...
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366 views

GIMP: Possible to remove middle in picture? [duplicate]

As an example, is there an easy way to crop away the o's in the Google logo using Gimp? The result should then be "Ggle" with a smaller image width than the original because the o's are missing.
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226 views

Handling layers in GIMP

I'm a first time GIMP user. I have an image that contains a design that'd I like to copy on to a transparent background. therefore, I started tracing the design using the paint/pencil tool. now that ...
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2answers
661 views

Mathematical operations such as “Reflection in Line” with FOSS Linux tools such as Inkscape, Gimp or Blender?

In Gimp, I could do this by "Layer/Transform/180 rotation" and then "Layer/Transform/Flip vertically" -- and then with some mouse, putting things together but it is slow. I am now looking for simpler ...
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2k views

How do I create a rectangle with a trapezoid bottom in gimp?

Using gimp 2.6.11 on Windows. How do I create a rectangle with a trapezoid bottom? I understand to make shapes I should make a selection and then stroke it, but how do I make a selection of this ...
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1k views

How to mimic this text in Gimp?

I found this really cool text, and would like to use the style but for a different word. How can I do it in GIMP or pixlr.com?
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1k views

Fixing fuzzy text in an icon?

I have an icon that looks like it was shrunk from a larger image. How can I easily clean up the text to make it look sharper?
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61 views

How can I add a melting effect towards a specific part of my picture in GIMP?

I want to make something horror-like, but the only thing that comes to mind is "Melting of skin". So I experimented with GIMP but couldn't find anything. What specifically I want it to look like, is ...
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69 views

How can I change the color of a text that is part of an image in GIMP?

Please excuse the simplicity of my question as I'm new to image editing: I have an image with some text and I would like to change the color of that text. I don't have the original file; I only have ...
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34 views

Alpha image ontop of non alpha image

I have a PNG with a completely transparent background as well as semi transparent pixels around the main image (think shadows / blur). On its own, it displays as I expect. If I use it on a web-page, ...
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37 views

How to copy a layer group to another image in GIMP?

In GIMP I have 2 images with exact same size and properties but different layers. Now I have a relatively large layer group, which I would like to copy to the other image. As usual I copy and paste ...
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84 views

Creating animation and exporting it as series of PNG files

I am keen to have a tool that allows me to generate a particle animation and export it as a series of PNG files with alpha transparency. This is possible to do so with GIMP/Photoshop by drawing ...
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2answers
57 views

GIMP: How to center a layer between two others

I want to center some text between two images. The way I've been doing it is: Take the left edge location of the right image. Subtract the Right edge location of the left image. Subtract half the ...
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1answer
73 views

How to combine a png and a path in inkscape

I made an image on Gimp to use as a background for my icon made in inkscape. The general shape of the icon is a rectangle path with round corner. I imported the png in inkscape, and I want to ...
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123 views

How to get a transparent color other than black with gimp?

I need to have two 100% transparent colors (I mean invisible) black (000000) and white (ffffff). When I try to have a 100% transparent color, gimp always set it to black (0x00000000 ARGB) even if I ...
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95 views

How to make a low-quality effect?

these photos look like taken by a low resolution camera, but i think they aren't. so, i want to re-create that effect, does anyone know how to do that?
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80 views

GIMP How to slice a shape properly?

I used the path tool to select these segments but now there is a one pixel wide alpha line between them, what's the proper way to do this?
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88 views

How to Select by Color WELL?

In Gimp (2.8.10) when I use the Select by Color tool it frequently selects bits of color physically distant from the area I'm trying to select. For example I'm trying to select the color of a shirt ...
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102 views

sand from under car animation

I'm creating a mini game where you are driving a car in a desert. You're looking at the car from above. I already have a model for the car, but now I'm trying to create an animation of sand coming ...
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163 views

Is there a Photoshop equivalent to Gimp's Bump Map filter?

I'm following a tutorial on fantasy cartography. It was written for Gimp, and I've been figuring out how to convert the steps to Photoshop (CS6) as I go along. The step "Bump Mapping your Height ...
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58 views

Is there any way to change a color without affecting its brightness in GIMP?

I'm trying to find out because I'm making a mod for Minecraft and I'm trying to keep the regular brightness variations
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68 views

How Can I View Applied Filters in Gimp

I would like to see the filters that are applied to a (text or image) layer in GIMP. Is this possible? Thanks in advance
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78 views

Gimp – blend between layers controlled by a heightmap

Suppose, I have a gray-scaled height map and ten layers with different diffuse textures or solid color textures. I would like to blend these texture layers in a way determined by the heightmap, as ...
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167 views

How do you describe the color characteristics of this gif palette and how do you change it?

Substrate by Jared Tarbell is a procedural art work in the Processing language that I'm discovering again. Here is a screenshot of the program's execution on my computer: The program uses a .gif ...