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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Create Circle Stripes

I want to generate circles like in this picture. It is an overlay and I need the overlay alone. It looks like circles in circles each with a width and a margin of one pixel. How can I generate such ...
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827 views

How to specify a transformation in GIMP

I have a specific perspective transformation that I want to apply to an image. How can I enter the matrix values manually in GIMP instead of playing around with stretching the image until the numbers ...
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2answers
2k views

Gimp Creating 3D Round Glossy appearing Button

I am trying to create a 3d glossy looking button in Gimp. How to I create this 3d appearance.
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1k views

Can't see alpha channel in png using GIMP

I created an RGBA image as png file using Blender. When opening image with GIMP, not everything is visible. Here's the original png file created with Blender: Here how does it looks in GIMP: ...
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303 views

What is the GEGL function in Gimp?

What is the GEGL function in Gimp?
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53 views

Substract two images

Let's say I have 3 images A, B and d with B = A + d. Here, d is a semi-transparent image. If I have B and d, is there a way to get A? Example (images from Google Images): A: B: d: I've ...
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31 views

GIMP : Stroke path equation

I am drawing rather complicated diagram in GIMP. There is number of curved lines. Is it possible to somehow get equation of stroked path? I am using that image in little program, where I need to check ...
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1answer
48 views

registering a simple gimp python script [closed]

I'm a bit puzzled because I'm not able to register any python script in Gimp (2.8). I've tried to follow the docs there are two complete examples, clothify and echo, I've tried to put both on my ~/....
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91 views

Gimp: Creating Transparent Backgrounds

I have Gimp 2.8.16. I have repeatedly attempted to create a transparent background for a simple image with a white background. I have tried this tutorial http://docs.gimp.org/en/gimp-using-web-...
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289 views

How to bucket fill area with a gradient in Gimp?

I have a very simple problem. In the following image I want the pinnacles and other parts of my (admittedly very awesome) castle filled with some color and other shapes or outlines filled with other ...
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2answers
181 views

gimp change colors in 2-color image

In Gimp I have a simple graphic image with two colors (a foreground and background color) with anti-aliasing between them. I would like to change either one or both of the colors in the image to ...
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1answer
52 views

How do levels in gimp work?

How to input and output levels work in gimp? for example when we try to fix the color, brightness etc, using curves the vertical axis represents the output level and the horizontal axis represents the ...
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36 views

GIMP Add touch-up layer after adding curves layer (and other layers)

Suppose I add several layers in GIMP to make various adjustments such as color corrections and burning/dodging. Once the image generally looks good, I then wish to non-destructively (i.e., without ...
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78 views

GIMP Scaling Groups of layer masks

Using GIMP it's possible to link a number of layers together and scale them together. However I have about 5 layers each with a layer mask that fit together - I would like to scale these together with ...
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1answer
48 views

Adjust levels in a set of scanned images in GIMP

I have 4 images that I scanned and saved as TIFF using my 4 in 1 desktop scanner/printer thing. I drew all the images myself by hand using the same pen, so the originals are quite consistent. When I ...
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1answer
32 views

How to remove edges from eliptical tool selection?

You cannot see it when it's on a white background, but Can someone tell me how I can erase the boarder from this image in Gimp? I want it to be a perfect circle. I'm going to be using this with a ...
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2answers
161 views

How would I go about editing a render of a 3D model to look more realistic?

I have really got into the game, The Last of Us, and fancied doing some art, I have the software to do the rendering, but the output is not realistic in the slightest. At the moment I have been using ...
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1answer
186 views

Scaling doesn't take?

I'm trying to scale my image down without messing up the text, so I did this: Wherein I increased the resolution and decreased the height. Well, as you can see, the height is 2 inches in the ...
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1answer
54 views

Recolour a higher resolution image, when I have a recoloured lower resolution one?

I have three images; An "original" 16x16 image, a recoloured 16x16 image, and a 32x32 image which is basically the same as the original image, but with a higher resolution. What I want to do, is to ...
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1answer
138 views

How can I change the color of images in GIMP?

I'm creating a login form like the following. Now I have the color versions of the images but I don't know how to make them black and white. Can you help me?
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657 views

how to make edge of layer round in GIMP?

I am using GIMP. I want to make a new layer (above another layer) with round edges. How to do it? thanks
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2answers
2k views

How to change the size of transparent background in Gimp?

The following image cuts when used as a logo here. I want to increase the size of the transparent background so it fits in properly without the underneath cut, as shown here. Using Gimp 2.8, how can I ...
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1answer
4k views

How do I add a semi-transparent color over an image in gimp?

Example of what I'm trying to do is the radar maps in MechWarrior 3: you have a "satellite view" of a landscape and the whole image has a semi-transparent green hue and you can see all the details of ...
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1answer
150 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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94 views

GIMP: Ellipse position from center

I know that I can create an ellipse from the center. However, inside the tool properties panel, "Position" refers to the top-left corner. How could I change its position based on its center point? I ...
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1answer
66 views

How do I unselect items in GIMP?

I'm currently using GIMP to add text captions and lines into a screenshot. The problem is that once I finished one caption I couldn't add any more lines (using the Paint Brush tool). If I close the ...
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1answer
1k views

Importing eps files as layers in Gimp

I have been trying to create an animation using 300 eps files. When I try to open all the 300 files as layers (File -> open As Layers), a dialog box appears for each file with the heading "Import from ...
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1answer
160 views

Should there be “seams” at the edge of the “tiles” when I fill using an image as a pattern in Gimp?

I want to visualize what an image(768x1024) looks like when it's scaled down and tiled. I use Gimp, so I select, ctrl-scale to something small (whateverx180), select, copy, edit/paste as../new pattern ...
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2answers
4k views

Swap Colors (not Invert them) in Gimp

I know how to Invert Colors but is it possible to swap Colors? For example from this one: To this one: So that I select one Area and then swap Colors (or even the full Layer/Picture)? By the way ...
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2answers
3k views

Are Gimp's template sizes correct?

When I start a new project of a poster which is to be printed on an A4 paper, I select gimp's A4 dimension template, but as I recently found out, it is actually NOT A4. If I import the finished ...
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1answer
107 views

How can I create a specifically located line in Gimp?

How can I add a plain black line in an image in Gimp in specific pixel coordinates for example between (10,15)->(300,116)?
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1answer
283 views

Gimp: Howto antialias round border around

I have a gif file with a round logo on top of transparent background. The border around the round item needs to be antialiased. I have tried selecting with the fuzzy wand as well as with border: 2px, ...
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1answer
763 views

Blending neighboring pixels together

Disclaimer: This is my first real time using Gimp, so I apologize if this is a basic question. I'm trying to blend the colors of my pixels together based on the neighboring pixels. For example, ...
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1answer
3k views

GIMP: how to create a collage where the photos can be repositioned within frames?

I'm trying to create a collage with 3 photos in GIMP, and I want to be able to reposition the images within each frame, not just crop them to fit the frames. Here is a sketch of what I want it to look ...
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231 views

Move canvas pixel by pixel

In Gimp, the canvas can be moved by positioning the cursor over the canvas, holding down SPACE and then moving the cursor. But, how can I move the canvas by a single pixel?
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121 views

What's the math behind gamma in GIMP?

Inside GIMP, Colors -> Levels Click on the "Pick gray point" eyedropper (the middle eyedropper) and then click on a pixel in the image. Then go change to the Red/Green/Blue channels and you'll see ...
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1answer
109 views

How do you use a non-alpha channel selection with basic paint tools?

Get your selection > Save to channel > Set channel as selection How do you use things like pen, paintbrush, fill, exc. at this point? When I go to use them they are in my edit history but I don't ...
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1answer
2k views

How to create a high quality gif with GIMP?

I'm trying to animate a few images as simple gif. The images contain one human, a red balloon and a green background. The background seems to be dominating. The face is made of only a few colors, and ...
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1answer
1k views

anchor a floating selection to multiple layers in GIMP?

I'm making an animated GIF using layers in GIMP. I have an image of an equation that I want to put on the same place in each frame. I tried opening the equation in GIMP, and then copy and pasting it ...
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1answer
3k views

Why doesn't GIMP rotate correctly?

It seems like Gimp is not rotating correctly. I have two duplicate layers of this GIF: It looks like this: I click the rotate tools, click one of the layers, and choose 90 degrees. It looks like ...
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1answer
2k views

Change the transparency of an Android stock icon?

I am trying to use an android star icon (.png) and color it in red. Basic, right? Well. I did the color change after some research (just download Gimp 2) from an iOS icon because it has the ideal ...
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1answer
83 views

How do I alter the colors of a raster image with GIMP?

I'm somewhat new to GIMP and I was hoping to take a logo like this: And to change the colors of the background and font as someone did here: Except I'd like to do it with different colors. Is ...
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1answer
54 views

Is there a way to show areas not covered by any layers in GIMP?

Does The GIMP have some sort of function to highlight areas of the background where that are not overlapped by any layers? I'm making a sprite for CSS, and I have a lot of pics with different sizes. ...
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1answer
335 views

How can I fix screenshots with subpixel rendering?

When taking a screenshot of some text with subpixel rendering, the result is very ugly, especially in print. Obviously, the best way to avoid this is to deactivate that option before taking the ...
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1answer
1k views

GIF animation skipping immediately to last frame

I was making a GIF animation with GIMP. When I tried to play it back, though, it skipped directly from my first frame to the final frame and missed all the others. Is this a glitch in GIMP, or am I ...
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1answer
282 views

How can I recreate the shadows and blur effect using Gimp?

So I'm fairly new when it comes to working with images and creating different effects. But can anyone explain what effect is being applied to the conference logos in the following link? The middle ...
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1answer
903 views

How to create a smoothing photo effect in GIMP

How can I create a smoothing effect like this?: It's clearer in his hairs and face.
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1answer
38 views

Gettings Tools -window back in Gimp?

It is window with tools such as magic-wand -selector but cannot find anything from Tools or View -dropdowns. So how can I get the Tools -window back after closing it?
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3k views

How to make moving blur effect on Gimp

I like to make a moving blur on a picture using GIMP (on Ubuntu). What kind of effects should I use? I already use blur but it doesn't give the moving blur. Note: I'm beginner in graphic design
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Gimp: How to reverse the direction of gif image

How can i reverse Gif image with out affecting animation of the image and save it. I used Flip Tool and reversed image then after save it. Then i lost the animation effect of the image.