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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Sharp edges of drawing in Gimp

I want to draw some cool-looking fishes, kinda like material; here's what came out: How can I make the edges "sharp"?
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43 views

In GIMP, how do I colorify an black-and-white image knowing outcome color for specific greyscale?

I have a black-and-white image, which I want to colorize. I have a little bit of the outcome image and I know, that R = G = B = 134 grayscale color should turn into rgb(92, 200, 66) and a few more ...
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2answers
122 views

How to create a repeating texture?

I want to create something like this: In this German tutorial, they explain how to do so in GIMP. My problem is, that I need exactly this but so that it is repeating itself. So that I have an ...
4
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1answer
107 views

How to color pictures to pastel?

I wanted to ask you how I can (re-)color pictures. I use Gimp, but I guess the functions of Photoshop/Paint Tool Sai/etc. aren't that different, just easier to find. First, as an example, this is the ...
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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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78 views

Auto-crop multiple images to get same frame

I have multiple pictures of the same subject but unfortunately the camera was slightly moved while capturing. So these pics have all the same size but they have a small offset, that means that if I ...
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0answers
54 views

How to detect freely-drawn shape on Inkscape or GIMP?

I would like to have the functionality shown in the following video on Inkscape (preferrably) or GIMP: https://youtu.be/rsFaQZAIZZI?t=18s The user should be able to draw a rough circle, square, ...
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1answer
50 views

How do i change the font type of an existing text in a image?

I have certain text in a image and i would like to change the font type to a specific font type such as Sans for OCR processing. Can anyone suggest me any software which can help me do that? The image ...
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1answer
103 views

How to make a watermark like this? [closed]

If possible I want to make it in paint.net/gimp because I don't have access to PS. I have tried a few programs for massive watemarking but none of them had the option for the text to look like that.
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2answers
193 views

Make a selection of image transparent in GIMP [closed]

I have a picture and I want to have one specific rectangle of this picture appear 50% opaque. The rest remains as it was. How do I do this in GIMP?
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1answer
75 views

With GIMP, how to crop a layer to the size of a different layer?

I have multiple layers in my project. I need to crop one (call it layer A) to the size of another (layer B). Neither has the full size of the image. I thought I would switch to B, Select All, switch ...
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1answer
92 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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2answers
167 views

Scale down an image in GIMP without losing resolution

How do I scale down an image to a smaller size in GIMP without an unnecessary loss of resolution? I know that I am losing too much image resolution because when I downscale the same image using HTML ...
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1answer
51 views

Gimp, OSX: PNG file seem to be saved without the alpha channel

I have followed the instructions in this question in order to cut our the paper-white background from an image and turn it into a transparent alpha surface. The original image (alpha_orig.jpg) ...
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1answer
65 views

how to calculate the rate of loss of colors?

JPEG is said to be a lossy quality image format so most people prefer PNG. When JPEGs are edited it seems the quality does degrade(it's demonstrated well in the documentation of GIMP). How can we ...
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0answers
69 views

Need to hide an image behind another transparent image in a .dds file (GIMP)

I just started using GIMP and began messing around with .dds files in a game that has a modifiable GUI. I want to hide an image that is usually always displayed on the GUI in the game behind another ...
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2answers
41 views

Does layer size matter in GIMP? [closed]

Since GIMP allows to new layers to differ in size from the canvas size, does it matter? Whether a layer of different size from the canvas has uses or hinders.
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1answer
86 views

Text not showing up on Gimp 2.8

I am trying to enter text on Gimp 2.8. However, when I try, a cursor just moves across the screen and no text is entered.
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1answer
80 views

Gimp: making edges less smooth

Most questions are about smoothing edges. I would like the opposite. I have this map: I would like a plugin/filter to make edges more rough. Something along this: EDIT: I think the trouble I am ...
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0answers
61 views

Vortex-like effect in gimp

I would love to create an effect where lots of vertical short lines are then distorted in a vortex-like effect, like so: How can I make this with Gimp? The image is taken from https://www.google....
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1answer
32 views

Layer transparency in GIMP

When you create a layer in Photoshop you can create a new layer and select the transparency when you do it. How does one go about doing this same thing in GIMP? I've seen other answers about adding ...
5
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2answers
176 views

How to change color of multiple text objects at once

I'm using GIMP and I have a lot of text object in a project that must have the same color. Every time I want to change this color I have to select the texts one by one and change it. Is there a way to ...
3
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1answer
86 views

put partly transpared photo on top of panorama

What is it nessesary to do if I want to see just black edges from background image in image placed on top? Here are links to source images This is what I want to create: You can see there are ...
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24 views

make RGBA images to see edges from image in bottom [duplicate]

I have a panorama of mountains and photo, I want to place photo on panorama but I need to see (only) edges of mountains from panorama in my photo on top. So everything has to be invisible besides ...
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1answer
96 views

Gimp make top half of photo lighter, and bottom half darker

I have a need to show things more dark or "dreary" at the bottom part/half of the stairway, and more light at the top. At the top I don't care about the stair colors so much, I want the sun to be ...
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1answer
294 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 ...
3
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1answer
53 views

UI reasoning in Graphics Design: Why does escape not cancel selection in Gimp?

I am completely new to Graphic Design and I am using Gimp. As you can imagine, the first few steps are a hate-love relationship kinda thing. I found that the selection tool is at the core of the ...
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1answer
138 views

How to write Japanese in GIMP text layer?

I am using mac 10.10. My keyboard input source is set to Hiragana, but when I type into a Gimp text layer, the regular latin characters appear and not the Japanese that I expected. How do I get this ...
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1answer
55 views

Filling in lines on scanned line art GIMP

Is there an easier way to fill in the lines in a scanned drawing. Easier than just tracing the whole thing with the brush tool. I scanned in my drawing and then used threshold to get rid of the paper ...
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0answers
38 views

Get the scissor Path

How can I copy the scissor path directly without going through selection and then converting the selection to the path The reason is that the selection to path way create too many points than those I ...
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1answer
92 views

How to scale the alpha layer without scaling the image ? gimp

I am trying to write text which larger than the image itself, as you can see in the bellow picture: but gimp doesn't show the complete text, because the alpha layer is smaller than the text size. ...
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0answers
29 views

how to get results of the node setup in gimp?

Here is a very easy node setup in blender: suppose if we want to see the results in gimp with the subtract mode set on the wave texture we get a result such as this: the results are quite ...
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1answer
62 views

GIMP: Can I see other layers while playing with the iWarp filter

It's useful to have the IWarp filter, interactively smooshing parts of a layer around. But often I need to see the layers underneath it while I'm doing that, so I can check that my distortions look ...
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0answers
97 views

Using imaging software to turn images into colouring-in activities

I am trying to prepare colouring-in pictures as children's activities. I have seen this question and attempted using this kind of technique. It works well for touching up existing line art, but isn't ...
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2answers
182 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 ...
1
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1answer
48 views

Automatically scaled opacity for multi-layered images

I have several set of images with a fixed background and an object moving in the foreground. I'd like to get an idea of the motion of the object by superimposing images with scaled opacity. If I load ...
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2answers
34 views

Yellow/black bordered region in layer

After many years of casual use, I'm still very new to GIMP. I've somehow managed to get a boundary around my shapes. If I try to move any shape it is truncated at the boundary. What is this yellow ...
8
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1answer
171 views

In GIMP, how do I get the smudge/blur tools to work properly?

I use the smudge tool very often in GIMP while painting. Unfortunately, the algorithm tends to generate a much darker version of what the smudged color ought to look like. For instance, a normal ...
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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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2answers
1k views

How do I draw horizontal/vertical straight line in GIMP?

you can consider me new to GIMP. I've tried by holding Shift key, can draw straight line but I want a straight horizontal/vertical line. So, How can I draw straight vertical/horizontal line?
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1answer
210 views

GIMP - how to make transparent brush from an image layer?

I would like to make a (semi-)transparent brush in GIMP. Starting from an image of marble with white background and veins in shades of grey, using various layers I selected the white to alpha and ...
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1answer
75 views

How do you extract text and styling from a Static GIF?

I have a static non-animated GIF image, is there anyway to extract a line of text and/or its font formatting information from it? I've tried opening it in GIMP, but the whole image appears to be only ...
0
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1answer
120 views

how to make sharp black white edge

How can I make black colour tone pixels completely black. I want to make this on whole raster. I want to do this in Gimp.
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1answer
132 views

Speed up making zoom areas on screenshots in GIMP

I am creating in Gimp effect that is shown on below picture: The way that I am doing it is: Make circle selection Copy paste what is below on new layer Grow selection Add layer and fill it with ...
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1answer
71 views

How to bisect a selection with GIMP?

How can I cut a rectangular selection exactly in half, so that a 128-pixel long selection becomes 64 pixels long? I have this: I want to select just the top half of this box (so I can bucket fill ...
3
votes
1answer
504 views

In GIMP, how to completely disable anti-aliasing/interpolation while scaling a selection?

I'm trying to design something in GIMP that must have no anti-aliasing/interpolation at all. When I scale up, I want sharp edges with no blur. I can disable anti-aliasing/interpolation while scaling ...
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1answer
51 views

Short-cuts for gimp

I want to edit many jpg files and use the color curves tool to adjust each image with a individual color curve. I could not find a keyboard short cut to open the curves tool. Is there any? How to ...
5
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1answer
2k views

Chroma keying a background to a green screen animated GIF

There are some GIMP tutorials about adding a background for a green screen GIF, i.e. chroma keying. But none of them is about a green screen animated GIF (e.g. the "Confused Travolta" meme). GIMP can ...
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2answers
114 views

Getting a triangular tear effect in Gimp?

I want to create a "tear" effect with regular triangular shapes to show I'm omitting part of the middle of a screenshot, something like: When I search for tear effects all I find is realistic ...
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0answers
62 views

Why is the anti-aliasing so bad in this text with GIMP?

I am trying to use Gimp to create a logo. I have the fonts that I need already. No matter what font I use in GIMP I see really obvious anti-aliasing on the text. I suspect this is caused by GIMP and ...