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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3k views

Portable file format to export Photoshop layers

I'm working on web-apps and frequently have to slice designer-made PSD files as HTML. However, I'm a GNU/Linux user, and in Gimp, PSD files look different than in Photoshop, so I'm forced to use a ...
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1answer
4k views

10 pixel square brush in Gimp… how?

I need a brush that is exactly 10x10 pixels. Here is what I have tried so far: creating a brush with a radius of 5. This, of course, results in a brush that is more than 10 pixels wide creating a ...
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595 views

How to show boundary of every layer in Gimp?

Using Gimp, I am working on a sprite image made of lots of icons, each on a separate layer. I would like to check that there is no overlap by displaying the outline of all layers. There is an option ...
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150 views

Gimp: export XCF as a list of commands?

It took me a lot of time to create a graphic in GIMP, and now I need to make some variations of the same graphic that actually only require the change of the FG color twice in the process. The GIMP ...
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2answers
76 views

How to create an 16× error/difference image using GIMP or Photoshop

I need to create a quality comparison between two rendering methods by showing the difference of the results akin to figure 6 in [Walter et al. 2005] (p. 5): (Image copyright by Walter et al. 2005). ...
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872 views

GIMP: the closest thing to Photoshop's smart object?

I've been learning GIMP as an alternative to Photoshop, which I haven't been using for design purposes for more than 5 years now. I discovered that there is a new interesting thing called the smart ...
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3answers
1k views

Turn semitransparent PNG image into a white silhouette, preserving transparency

I have an PNG image like this with a transparent background: How can I change the image color to white, and keep the transparent background in GIMP? The desired result is a white silhouette on a ...
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3answers
11k views

How to sharpen text in GIMP?

I have two layers. Layer one has the background image (some landscape) and layer two is colored. Layer two is above and I insert a text on top of layer two and merge it with layer two and then set ...
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3answers
119 views

Forget alpha instead of blending it in Gimp

It's now second time I need this so I'm posting it as a question: When a layer has alpha channel, some pixels may be transparent. I want to totally forget about the transparency. That means, render ...
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2answers
97 views

Exporting square tiles from a stripe - in Inkscape or Gimp

I am using Inkscape and Gimp to create assets for a word game and am looking for an advice from more experienced users of these great tools. In Inkscape I have created a stripe with 26 letters and ...
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1answer
100 views

How to create uniform dashes in GIMP

I want to make a bunch of dashes that are 10 pixels long horizontally, 5 pixels long vertically, and separated by 20 pixels. Is there any way to do this easily in GIMP? I was looking at slice, but ...
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2answers
240 views

Simplifying an initial before tracing it

In order to trace an initial to make a font, I need to simplify the original picture as much as possible. I've already vectorized it, but I wonder how I could clean it up a bit more to make it easier ...
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2k views

How to get smooth transitions between colors while keeping sharp edges?

I am trying to smooth out images of colored wave forms while trying to keep sharp edges. Example of a source image: I've had some limited success using surface blur, while the transitions between ...
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2answers
5k views

How to make circle with bordered boundary using ellipse tool

I am trying to make a simple "Q" logo in gimp. Instead of just typing the character "Q" in big font I am trying to make it using "Ellipse tool". However, I don't know how to make the borders of the ...
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1answer
4k views

Does Gimp support custom shapes?

Why doesn't The Gimp have drawing tools? Weird isn't it? Something I'm trying to do today, and not for the first time, is take in a picture and just annotate it with a couple of arrows pointing to ...
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2answers
904 views

How to edit an animated gif in gimp to include transparency?

I have an ajax spinner which unfortunately has a white background in the corners. I want to remove the white and make it transparent using GIMP. How can I go about doing that? I tried opening it in ...
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1answer
2k views

City map making (cartography) with GIMP.

Does anyone know of good city specific (although I would be interested in others as well) plug-ins for fantasy role playing game map making using GIMP? I am more looking at macro-scale (so whole ...
2
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1answer
32 views

Getting GIMP to recognize content outside old borders

I've been trying to create an image showing mitoxantrone (a chemo drug) intercalating DNA, as part of this I've had to combine two structures -- a DNA strand with the molecule found therein and the ...
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2answers
37 views

GIMP: Paint a selection and maintain various levels of opacity

I'm trying to recolor a png file using GIMP. The image I want to recolor is a solid color, but the edges are feathered with varying degrees of opacity to make the final image look smoother. is there ...
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2answers
1k views

How to form semi-circular text in gimp or photoshop?

I am not trying to wrap text around a semi-circle but form a semi-circle with text. Basically the font will gradually increase from left to middle and then decrease from middle to right. Can ...
2
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1answer
484 views

How to have numerous text items on one layer in Gimp?

I'm making a map in Gimp. I want to have the following layers: background cities rivers mountains So I want, say, 30 cities on one layer so that I can turn it off and on. However, every time I ...
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2answers
704 views

Plugin or brush for transforming a photo to a fractal in gimp?

Folks, I've been looking all over for a plugin or brush that will help me take a photo and reduce it to that 'electric look' (or fractal?) that i'm seeing in various places. I'd vastly prefer one for ...
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2answers
1k views

Draw pencil-stroke like line in Gimp

I found this pencil stroke is very fancy and I wondered how it can be emulated in Gimp or Photoshop. Actually I found pencil drawing is really fascinating and I hope to learn more about it. I will ...
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2answers
995 views

Using GIMP, given a black text on a white area having some grayish smudges, how do I remove everything except the text?

Using GIMP, given a black text on a white area having some grayish smudges, how do I remove everything except the text? for example this image, has gray outline around the text at places, I tried ...
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2answers
1k views

Reverse-engineer alpha channel

This is something that I stumble over occasionally. I have an image that was clearly created using some form of blending / alpha channel magic, usually for things like smooth edges. For example: ...
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1answer
3k views

How can I change the opacity of a pasted gif in GIMP?

I have two gifs. I'd like to put one gif on top of the other, but with low opacity. This is what I did: open gif1. create a new layer paste gif2 onto the layer change the opacity of the layer The ...
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1answer
32 views

How to have multiple views in single window mode using GIMP?

I'd like a real-time preview while editing icons in GIMP. I know that you can press View > New View to get a real-time preview window, however in single window mode gimp puts the preview in a ...
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3answers
123 views

Changing image color

I am by no means a Graphic Designer but try. I have an image I got from iconarchive and am trying to set the color to red (#840a0c) and setting transparent where there is white. I am using GIMP for ...
2
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2answers
188 views

Tool that will do a circular blur/convolution

I'm primarily a gimp user, but I want something to blur an image similarly to the way a lens would blur an out of focus background. AFAIK this is essentially a circular blur/convolution (assuming ...
2
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1answer
218 views

Gimp: Add text to Layer Mask?

I'd like to have a layer mask in Gimp that includes some text. I currently have a method of achieving this, but it's a little more crude than I'd like. In this image, the top text is a simple text ...
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1answer
1k views

Simple patterns fill in Gimp

I would like to do some simple pattern or polygon fills in Gimp, e.g. to represent different regions in a map without resorting to colors or grayscale tones. Some nice examples of what I seek are ...
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1answer
3k views

How to shrink logo without losing quality inkscape

I'm really not much of a graphic designer at all (programmer) but I have dabbled in some image editing using GIMP and Inkscape. Here's my situation: I have a nice, sharp image of my logo as an SVG ...
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2answers
7k views

Remove white thin border from exported PNG from Photoshop

I have a branding logo saved as a PSD Photoshop file. I'm exporting it to the PNG format with relevant size, but the exported PNG image has a thin white border around the logo. How can I remove this ...
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1answer
807 views

Photo effects in Gimp: How to improve color, depth of field, etc

G' day dear Graphic-design-experts, I am new to Stackexchange's Graphic Design and I have no clue if this is the right place to ask, so bear with me and steer me in the correct direction if i am ...
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1answer
510 views

What are useful brush dynamics and tool presets in GIMP 2.8?

In previous versions of GIMP only pressure was recognized by the brush tool. It wasn't much but it was simple. The new GIMP 2.8 introduces an all new brush dynamics system with a ton of customization ...
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1answer
2k views

Create rounded button with inset edge, gradient and inset text with Gimp

This is my first attempt at seriously using Gimp. I am more of a front end developer slash developer myself and I have only used Gimp or Photoshop for very basic stuff such as removing backgrounds, ...
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2answers
31 views

GIMP: Toggle show/hide all non print extras

In GIMP, is there a way to quickly toggle all visible guides, grids, selection boxes, etc that are cluttering the display? I'm hoping there's something that's one key stroke instead of the way I ...
2
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1answer
36 views

GIMP: 'move layer' stops working

I'm having intermittent problems with GIMP, where the 'move layer' command suddenly stops working. The mouse pointer changes to the one below: When I make an explicit selection, e.g. CTRL-A on a ...
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2answers
113 views

Creating this 3d map perspective?

I am trying to create a custom image overlay on leaflet.js. For sake of learning something new, I am trying to lay over the co-ordinates on a 3D-looking map. For example (the map inside the red ...
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1answer
65 views

Transform/resize image for label printer using Gimp

Starting from an image like this one, how do I resize and transform it into something a label printer can use? That means a black and white bmp about 1/3 of this size. The best result I have so far ...
2
votes
1answer
129 views

How to make a symmetric gradient in GIMP?

I want to make a simple gradient in GIMP. The left edge and right edge should be white, the middle 100% transparent. The rate of change shouldn't be linear, I want the transparent part to be much ...
2
votes
3answers
938 views

Why can't the GIMP align tool select some layers?

When I try to align various layers in GIMP 2.8, sometimes the align tool selects the entire image, not the layer I clicked on. It doesn't matter how many times I try, and closing/reopening doesn't ...
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1answer
3k views

Making GIF in GIMP from set of PNG's, resulting in the screen filled with all layers

I have imported a set of PNG'S as layers by calling FILE > OPEN AS LAYERS And I get the result: All the layers are oddly cascaded on top of each other So when I got to export it, I get this: ...
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1answer
1k views

Why is the Gimp selection pane not going away?

I needed to move something so I copied it and pasted it to its new location and now where I have pasted it there is a selection pane that will not go away. I've tried to move the pane and tried the ...
2
votes
1answer
4k views

copying selection shape in gimp

I'd like to copy selection shape in gimp and then paste it somewhere else (I've got first half of the image and I'd like do make it's mirror reflection). Do you know how can I do it?
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1answer
66 views

Gimp - How to loop a gif seamlessly?

So I'm new at editing and I'm trying to insert gifs but somehow it always ends up with a gap after the gif ends and looks weird, I have no idea how can I change that :/ can anyone help me please?
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1answer
140 views

gimp - animation formats besides gif

Using Gimp 2.8.4 I am developing an animation for a game in gimp. The game does not require a gif animation - I load individual images as frames, usually pngs, and animate them in the game engine. ...
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1answer
42 views

How to quickly set GIMP selection aspect ratio to that of the image?

If I don't know the aspect ratio of an image, what is the most efficient method to set the selection aspect ratio to that of the image? The fastest I've found (not fast at all) is to look at the ...
2
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1answer
54 views

Can you view the layer mask in GIMP?

In GIMP, after adding a layer mask, and editing, is there a way (or even a plugin) to let you view the layer mask right on the canvas? I know that you can see a miniature copy of the layer mask in ...
2
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1answer
2k views

Get difference between two images as transparent image in GIMP

I have two images A and B which are similar in many regions. I want to create an image C so that B = C on top of A where C should be as transparent as possible. on top of is the normal layer ...