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Questions tagged [gimp]

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 on Graphic Design.

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1answer
2k views

How to remove the white border “halo” from my logo?

I have the original .ai files as I paid a graphic artist to do these logos. I uploaded a .gif export of the files only to see that they have a white border: If I don't have AI/PS can I use something ...
7
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2answers
2k views

How can I select the convex hull of an existing selection?

I'm trying to remove blue skies with clouds quickly from many images. I've used gimp's Color Selection Tool, which selects the sky but not the clouds. Since all clouds are in the sky, if I could ...
2
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1answer
521 views

Image loses transparency when added to another image

Please keep in mind that I have no idea what I’m doing with image editing. I have a watermark that I want to add to images, but it loses it’s transparency when I try to stick it on a picture. I’ve ...
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1answer
4k 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 ...
7
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1answer
15k views

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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1answer
3k views

Gimp: how to remove background noise/artifacts and enhance handwritten text

I have a lots of scanned handwritten lecture notes (PDFormat) and I want to improve their readability (I have uploaded an example). In particular I'd like to remove the "squares" on the back. I would ...
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2answers
4k views

Use GIMP to extract out the logo from background

I would like to extract out the icon in the following screen (mixed with gray background) to Anyone know how I can do that using GIMP? Thanks.
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1answer
101 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?
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2answers
20k 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
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1answer
289 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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0answers
811 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 (...
8
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1answer
3k 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
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1answer
13k 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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3answers
2k 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.
21
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1answer
902 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
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1answer
245 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 ...
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2answers
7k 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 ...
3
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4answers
17k 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
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1answer
479 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 ...
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1answer
219k 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: If ...
6
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2answers
46k 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
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1answer
810 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 filled ...
6
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1answer
705 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 ...
3
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1answer
4k 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 ...
2
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1answer
641 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 ...
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1answer
89 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 ...
2
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2answers
5k 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 ...
6
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2answers
5k 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 ...
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2answers
3k 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 ...
23
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5answers
3k 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 ...
24
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7answers
20k 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 ...
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1answer
629 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
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1answer
3k 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 ...
4
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1answer
2k 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 ...
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2answers
416 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 ...
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2answers
1k 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
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1answer
4k 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.
8
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1answer
9k 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: Let'...
1
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1answer
441 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 ...
6
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1answer
331 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, ...
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1answer
3k 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 ...
1
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1answer
1k views

Splitting an image into many randoms pieces

I have an image of a map of a certain region, and I want to show the map divided to about 1000 small pieces. This should be a metaphor of dividing the region to many small land-plots. I need two ...
5
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1answer
10k 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
1k views

Drawing random lines

I would like to draw a sequence of about 100 vertical lines, with random intervals. Is this possible with gimp?
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1answer
1k views

Draw a grid for a Scrabble-like word game

In Gimp (preferrably) or Photoshop, how would you please draw such a board for a word game? I wonder how to: Draw a grid with equidistant lines for a 15 x 15 board? In the colored rectangles - how ...
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1answer
2k views

Why does Gimp's “stroke path” fail to fill the stroke? (Ubuntu 13.10) [closed]

Im using Gimp 2.8.6 on Ubuntu 13.10 (64-bit) Not all the time, but randomly, Gimp chooses not to stroke a path correctly. Here is a "before and after stroke" picture (it's a close-up) : What is ...
6
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1answer
248 views

Where are my pixels?

I have a big image 5100px x 7000px. I have made the background transparent, and I am satisfied with the result: the parts of the image which I wanted to keep are there, and the white background is ...
0
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1answer
5k 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 ...
0
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2answers
154 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 cream ...
2
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1answer
157 views

Command line program for adding curves/levels to an image?

I have several JPG files (satellite images) that I need to have curves or levels (not auto!) added to them using shell scripting (cronjobs). Does anyone know of any tool for that? Maybe GIMP?