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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4
votes
2answers
1k views

Gimp: removing background from product images

I often have the task of making the background of product images pure white. While preserving the best possible image quality, what is the quickest way to adjust colors such that the background ...
10
votes
2answers
27k views

Gimp - Using an image as the transparency layer of another image

I have two images (For the sake of simplicity, Image1 and Image2). I want to use Image2 as a transparency for Image1. How can I do that? Assume I've done little more with Gimp than play with some ...
0
votes
1answer
42 views

Add more white color to Gimp layer

How can I add more white color to a Gimp layer? What about adding other colors to it?
2
votes
2answers
7k 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 ...
2
votes
1answer
110 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 ...
0
votes
0answers
294 views

Combining screenshot with Apple product image (including its generic status bar) with GIMP instead of Photoshop?

I would like to add a proper screenshot to an iPhone product image to create an ad for an iOS 7 app. Apple provides such product images as *.psd files for Photoshop, however I only have Gimp 2.8.10 ...
7
votes
1answer
2k views

How do I fix this photo (poor quality, saturation, color) in GIMP?

I have a photo with poor quality and lighting that needs to go in a print newsletter. There is some lighting issues, and a blue-ish color in part of the image. I'd like to fix the image using GIMP. ...
2
votes
1answer
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 ...
1
vote
3answers
365 views

How can I multiply pixel values by a constant in Gimp?

In Gimp, how can I multiply the value of every pixel in a grayscale image by a constant value? For example, multiply each pixel by 2.
19
votes
1answer
552 views

How to get standard results in colour management in Linux

I have recently calibrated and profiled my screen, with a ColorHug device. I'm using Gnome, and have the profile installed through gcm. When opening an image in GIMP and DigiKam, the results are ...
1
vote
1answer
135 views

Good “low level” graphics & image manipulating concepts tutorial for beginner

I have programming background with some experience with image manipulation via GIMP and Fireworks. As working with image manipulators is part of my work sometimes I decided to improve my knowledge in ...
0
votes
2answers
2k views

How to convert and slice jpg to psd and keep layers

MIGRATED FROM ASK UBUNTU I have several JPG designs of a website I'm developing. I did a pure HTML website and then did a full webpage screenshot for the design part. Now the client is asking for the ...
2
votes
1answer
5k 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 ...
3
votes
4answers
3k views

Removing shadows in a white background photo

How do I remove the shadow in this photo? I tried fuzzy select on my actual image, the object has grey elements that make it difficult to distinguish properly. I can do by parts, but the real ...
2
votes
1answer
2k 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 ...
2
votes
1answer
66 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 ...
1
vote
1answer
2k 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 ...
1
vote
1answer
83k views

Changing the background of the picture to white

I have a passport picture in which the background is light brown. I need to change that background to white. Is there anyway I can do that using Inkscape or any free tools? Here is the picture: ...
12
votes
1answer
8k views

GIMP “color to alpha” is not selectable

Do I have to do something "special" to get the Color -> Color to alpha menu option to work in GIMP? I am trying to convert a background color on a GIF image to transparent by converting the background ...
3
votes
2answers
11k views

Moving a part of an image with GIMP?

This is the original image and I want to move the text to the right of the image: But I failed, I tried to resize the canvas but then when I move the text the layer gets invisible when put on the ...
1
vote
1answer
271 views

Creating a tile for a word game

Please advise me how to use Gimp to create a tile for a word game like below: I can see 2 rectangles with rounded corners - the outer one and then the one on the top. Is the smaller rectangle ...
2
votes
3answers
5k views

Annoying GIMP issue (fill bucket with a circle-slash icon on the cursor)

I am trying to bucket fill a layer, but I get this crazy cursor I cant get rid of. I think its because I have something selected. I tired Select All, Select None, but the cursor does not change. I ...
1
vote
4answers
7k views

Resizing/shrinking .JPG files without losing quality?

Im using Gimp to resize images. When using a high res image normally 4500 x 2994 i usually need to shrink this image to 325 x 130 pixels. As you can imagine i loose the shiny, glossy and high res ...
4
votes
1answer
620 views

Can I predefine brushes with color and size in Gimp?

I sometimes find myself using Gimp the way I would use paper. For example, I want to use blue ink size 1.4, anthracite 2-px pencil and size 20 eraser, to recreate the look of a school notebook. I ...
6
votes
1answer
260 views

Highlight stray non-background pixels

I am editing an image in GIMP that has a few nearly-transparent (resp. very light) pixels scattered through an otherwise transparent (resp. pure white) background. Is there a command that will ...
2
votes
1answer
497 views

How do you change the default font of GIMP in Windows?

How do you change the default font used in GIMP 2.8 on Windows 7? The default font seems to be Sans Bold (which is used in a lot of applications that originated from Linux). I am not referring to the ...
1
vote
1answer
265 views

Seamless UV Texture - GIMP

I'm creating a model of a road to use in Unity. The edges need to be able to tile so I can link multiple parts together. I made a UV map and edited it in Gimp. I used the seamless filter in gimp to ...
1
vote
1answer
75 views

Where can I learn about the low level concepts used in a Graphic design application?

I am new to Graphics design. I want to learn a graphics design software in order to develop a game. I chose Gimp as it was free and i followed few tutorials. Most tutorials accomplished the goal ...
1
vote
2answers
918 views

Open source software to reduce colours to custom optimised palette (quantize) (for paint-by-numbers)

I want to manipulate a photo so that the number of colours is reduced significantly (to say 15-50 colours which I would specify the number). I would like those colours to be automatically optimised ...
1
vote
2answers
361 views

After making a selection float in GIMP, how to move it in a straight vertical or horizontal direction?

I am doing kerning manually in GIMP, i.e. trying to move letters closer to each other, but my hand movements are not exact enough on my mouse so whenever I move a layer to the left or right, it also ...
5
votes
5answers
27k views

Replace black background with a transparent background

How can I add transparent background on this image instead of black background, but I also would like to keep the partial transparency effect on some of the particles and particles borders. Could ...
6
votes
5answers
11k views

How do I directly set layer positions in Gimp?

I'd like to directly set (i.e. type in actual coordinates of) the position of my layer in the image, like you can with the selection box: (Not the size, but that would also be cool) Is this ...
1
vote
2answers
2k views

How can I create a color-separated PDF in GIMP?

Using GIMP I would like to create a color-separated PDF. I plan on making printing plates for a home letterpress and they request a color-separated PDF, which seems to just be a page for each color ...
-1
votes
2answers
1k views

How can I get this HDR or painted blur effect from a photo?

How can I get this HDR or painted blur effect from a photo in Photoshop, Gimp, Inkscape or some other software?
21
votes
5answers
2k views

What's the most efficient way to “blank” old comic word balloons while retaining paper texture?

I'm taking very old (1940s and '50s) comics and trying to remove the text from some of their word balloons. I don't want to just erase their contents to pure white space, though, as the paper colour ...
8
votes
7answers
7k views

GIMP - change color of object preserving feathering

I have an .xcf image and I like to change the color of some objects within it. The objects are mostly one solid color with the edges feathered into transparency. I.e. all pixels in the object are ...
-1
votes
1answer
278 views

Coloring a map, one color per country

How could one use the Gimp to easily transform a map with many colors into a map where each country is fully colored in a single unique color. I used the Color > Threshold option to get a b&w ...
2
votes
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 ...
3
votes
2answers
9k 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 ...
3
votes
1answer
444 views

Removing a grid from an image

I'm doing some image processing to detect bubbles in oil. One of the filters I use creates a grid in my image. If you look closely at the image you can see horizontal and vertical lines through the ...
1
vote
1answer
156 views

Beginner question: how do I use the “move tool” in Gimp without moving the entire Layer?

I typed a short piece of text in GIMP, then I want to fix the kerning manually so I want to move the letters closer to each other. But when I select the "move" tool and click on the appropriate part ...
1
vote
0answers
469 views

How can I export an Inkscape SVG with text to a GIMP .xcf? [closed]

I am working on a graphics project in which I need to export the SVG I created as a .xcf file for The GIMP. However, when I go to export the SVG via Ctrl+Shift+S and the select GIMP XCF Maintaining ...
1
vote
2answers
239 views

Comparison Between affordable Image Editor (Photoshop) / Creator VS. Free Image Software [closed]

Lately I would like to get involved / to learn in graphics design. Since holidays are in full swing, I thought I would use this time. I have used GIMP before, although very minimal and Blender. Both ...
0
votes
2answers
583 views

How to design a brochure for a programming competiton [closed]

I am a computer science student hosting a programming contest at our college. We need to design a nice brochure for the contest. I don't have any idea hot to create such a thing. All I know is how ...
0
votes
1answer
219 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.
6
votes
1answer
2k views

How to create grid in GIMP (not sure if the filter is good)

I'm a beginner to GIMP, and I'd like to create a grid. I searched Google and all it gave me was to use the Filter > Render > Grid plugin, but for my job all I want to do is something like this: ...
1
vote
1answer
150 views

Curvilinear perspective with Gimp

How could I make a curvilinear perspective with Gimp? I've found out making a linear perspective, but not curvilinear. My guess was that there were any way to move the single points in the grid, and ...
-5
votes
1answer
134 views

Poster backround image [closed]

I have to make a background for a poster for a party. I want to have a background like this. Does anyone know how you make this? Jenten
2
votes
1answer
9k views

GIMP: How to move a selection in a layer?

I'm having a weird behavior when trying to move a selected rectangle or polygon in a layer. I do the next: 1. Select layer. I want to move the shine that belongs to the brillos y manchas layer: ...
5
votes
1answer
179 views

Batch oilify in GIMP

I'm pretty new to image editing. I want to be able to batch oilify a number of images. However, I can't find a GUI option in GIMP to do this. In the filters menu there is a Batch process.. option, ...