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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2answers
106 views

Gimp color with pencil shading

How do I add color to a pencil drawing and leave the pen/pencil shading alone? ( color white under pen/ pencil shading and leave shading untouched on top)
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2answers
61 views

How to make transparent shape to make the color more bright

How to make a transparent shape for example a rectangle that increase the brightness of background color or other shape like image below. The background color is dark blue, the shape make the color ...
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2answers
262 views

How does tinypng.com minimize pictures?

I recently discovered tinypng.com, which helped me to minimize a picture on my website from over 60k to less than 20k by keeping the same quaility (for me personally at first sight, I'm not so into ...
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2answers
77 views

Normalizing heightmap image without creating ramping effect

I'm trying to get a real-world heightmap data for my game. I'm grabbing an image in GeoTIFF format from here and then converting it to png and cleaning up some errors. This is an example of a fjord ...
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1answer
60 views

GIMP is not combining layers the way that I expected

I have experience with image processing, but I am fairly new to GIMP. I was experimenting combining layers that have transparency, and the pixel values that GIMP computes do not agree with the ...
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1answer
100 views

Transform chained layers in Gimp like one same merged layer

How I can transform (Scale, Rotate..) chained layers in Gimp 2.10 simultaneously? For example, I set chain icon to 2 or more layers and want scale them like one merged layer.
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1answer
41 views

Select only image in layer around selection

Here is my current situation. I am trying to select the selection inside via CMD+SHIFT+L so I can move the gold coins around a bit. But I don't seem to be able to do so. Select -> Float seems not ...
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26 views

Gimp, script that iterates through several images and exports each one with different options

I'm quite new to gimp. Assuming I have N images I was wondering if it is possible do the following: For i = 1...N For each export options j = 1 .. N Export(img[i],option[j]); Basically what ...
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2answers
67 views

Filling overlapping paths

I have a text layer whose letter-spacing is set to a negative value, and thus letters overlap. This is my intention. I transform the text layer to path and hide the original text as I don't need it ...
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3answers
1k views

How to get a 1:1 scale print preview?

this question is actually a bit special, so I didn't know exactly how to formulate it. What I actually want is to see an image on the screen at same size (or as much close as possible) to the size it ...
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1answer
923 views

Resizing an SVG using GIMP

I exported an image from this site https://watabou.itch.io/medieval-fantasy-city-generator and am trying to make it really big, but can't figure out how. The tutorial vid I found uses an iOS or ...
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3answers
309 views

Use of the maths in graphics programs

In relation to my activity as a teacher of Mathematics and Physics at an Art School, I would like how to connect in graphics programs, any arguments of the analytic geometry or trigonometry in ...
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1answer
723 views

How to create mock ups in GIMP using templates like PSD in Photoshop?

I am almost novice to graphic design. I need to know whether there is any way to create mock-ups in GIMP, people generally create in Photoshop with PSD format. Is there any format like PSD in GIMP, ...
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1answer
38 views

How can I create a grid that is a rectangle in GIMP?

How can I create a grid that is 150x50 pixels? The grid feature in Filters->Renderer->Pattern->Grid does not let me create grids other than a square.
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2answers
111 views

How to add an object inside another

I wonder if it possible to add an object inside another. My project is to add bottles inside a six pack bottle. So I have an empty six pack and I have a bottle. I want to put some bottles inside ...
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2answers
44 views

Edited images different in Mac and PC

I am a total amateur at using image editing programs. I have been scanning pages from a book to my Mac (High Sierra) using Image Capture and saving it in png format. I have then used Gimp to edit ...
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1answer
26 views

Text tool menu obstructed when used at top of image

When I need to add text to the very top of an image, the text tool menu is obstructed by the top of the window. How can I get the entire menu into view?
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1answer
73 views

Using Gimp to Chroma Key a low-resolution/pixel graphics image

I took a screenshot of a character from a game I'm playing, with a mod that adds blocks for chroma keying. What I'm stuck on is that even though the image has no shadows (fullbright enabled for the ...
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2answers
449 views

GIMP decreases quality of image after every saving

I used GIMP to draw and after couple of weeks I noticed that image isn't as sharp as it was before. It seems GIMP can't save a file without quality loss: the more times you save file, the less and ...
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1answer
257 views

Gimp adjust brightness not applying to image

I have a strange behavior, I'm using GIMP 2.10.8 on Ubuntu 18.10, Sorry I'm newbie. I copied one image and pasted to new layer. I changed the color using Colors -> Colorize I wanted to increase ...
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2answers
133 views

Is there a filter to 'reverse Emboss'?

I'm starting from a photograph of a relief, lit from above, something like https://en.wikipedia.org/wiki/File:UnfinishedStele-NefertitiPouringWineIntoAkhenatensCup.png I want to extract the ...
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3answers
431 views

Gimp - better resolution with less pixelized edge

I have this low res picture: I would like to print it, so I need it in higher resolution, but the edge are all 'pixelized': I tried the gaussian blur, but the result is to 'blur': I would like ...
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2answers
177 views

Gimp Python-Fu how to copy a channel

Suppose I want to copy the red channel of an image (thus creating a new channel). How do I do that with Python-Fu? EDIT: basically, I need to create luminosity masks. So far, I tryed the following ...
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1answer
326 views

Copy/Paste in Gimp not working properly [closed]

I am using Gimp to create a skin for a 3D model of a building. I am currently placing different styles of windows in my model. To do this, I am opening a window file, copy the image and paste it ...
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1answer
141 views

GIMP fill gif canvas background with image background

Normally people would want to make the gif background transparent. But how to fill all the cavas background with the "grey-like color" background of the image and apply to all 90+ layers? I have ...
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2answers
124 views

Delete selection outside canvas sized

So, I'll make my best effort in explaining the behaviour I am seeing in Gimp so you can understand what's what I'm looking for. Let's say I have a canvas of 800x600 and I create a new layer and paste ...
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1answer
238 views

Compatible Photoshop format for GIMP

I am using GIMP on my Ubuntu, and need to open a file some one else made with Photoshop. What file format preserves the layers, colors and preferably the text/fonts when exporting from Photoshop and ...
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2answers
434 views

GIMP 2.10 - Bump Map not working

I'm trying to create a piece of beveled text. Here's what I'm doing: Create the text in a layer. Apply the bump map filter with the text layer selected, using the text layer as the AUX channel. ...
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1answer
59 views

GIMP Graphic export

I have created a graphic in GIMP with a number of layers. I have exported this image as both a .png and .jpg. When opening the image I can see there are a number of white areas and speckles that do ...
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2answers
815 views

GIMP 'select color' tool - color turns out wrong

I have this pixel graphic in which I want to turn blue parts into red. So I use the "select color" tool to select the blue part of the image, drag the brightest red possible onto the selected area and ...
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1answer
54 views

Merge two images and add a separator between them

I have two images of same width, how can I produce a third one, such that the first one is on top, and the second one is at the bottom , with an arrow between them ? Here's the result I want: I come ...
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2answers
122 views

What is the equivalent to shift-drag in MS Paint for Gimp?

In MS Paint, if you press Shift and drag a selection you will be able to "duplicate" your selection in "drag mode" (excuse my french). My goal is to extend the edge of an image to create a wallpaper....
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1answer
113 views

How to move or transform mask except layer which we will add a mask to?

I added mask to the layer: Then I want move or scale\transform it: But any attempt leads to the fact that the mask is transformed simultaneously with the layer: But I need: I redraw mask to to fit ...
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1answer
55 views

Background gradient mask layer effect

I'm a newbie using gimp. I would like to make a banner like the picture below, a white color banner with some fade background color. Please advise. Thanks.
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1answer
84 views

How to make a video of a counter e.g.100-1,000,000?

I'm developing a website and want a counter upon start up to go from 1,000-1,000,000 So we decided the best way to do it would be to put a video on the cover that would play on start up. Now how do I ...
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1answer
73 views

Change speckly black background of screen photo to solid black

Is there any way to change the speckly black background of this screen photo to solid black? This is a photo of a rectangular selection of a black screen that appears when a computer is booting. ...
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1answer
210 views

Gimp - scale object with ignoring transparent layer border

I create simple example and try scale yellow rectangle: The yellow rectangle is obtained by duplicating the green. Moved and filled with pattern.. When I press the Shift+S (Scale), I expect that ...
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1answer
63 views

PNG doesn't have white background in GIMP

I am attempting to create a PNG with a white background in Gimp. Here is the result: How can I fix this so that the images is grey on white?
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0answers
22 views

Gimp - it possible temporary hide crop rectangle

It possible temporary hide crop rectangle like in Photoshop with Ctrl+H? I need it in some cases to review of crop borders more detailed.
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2answers
4k views

How to draw arrows in GIMP 2.10?

I'd like a plugin that allows me to click 2 points to draw an arrow in between. All the options mentioned in different posts work for GIMP 2.8 but are broken in 2.10 (such as the arrow.scm file ...
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1answer
57 views

GIMP: if change size of something in layer beyond the canvas size, how do you change canvas size to match the new larger size?

I take a graphic into gimp (so one layer), and canvas and layer size match. Then I do a transformation on the graphic (in this case filters->distorts->curve-bend), that results in it going beyond the ...
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1answer
44 views

Remove black background of a shape with blurred edges

I am trying to change the background colour of the image https://www.eso.org/public/images/eso0728c/ from black to white with gimp. To do this I'm following the suggestion from this answer: https://...
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1answer
58 views

Inverted layer mask not working as expected [duplicate]

Consider the following gradient: Now I create a solid color layer and copy-paste the gradient as its layer mask. Where the mask is white I got 100% opacity and where the mask is black I got 0% ...
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1answer
1k views

How can I center text vertically and horizontally within an image in Gimp?

I would like to center text vertically and horizontally in an image within Gimp. I have the image, I have added the text, I have been able to use the alignment tool to center the text horizontally, ...
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1answer
67 views

Plotting points from external file in GIMP

I've got to believe someone has written a SCRIPT-FU scriptor or simple plug-in that reads a file of (x,y) points (in GIMP's coordinate system) and plots small circles of specified color and diameter ...
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1answer
223 views

Affinity Photo/ Gimp - Photoshop Liquify filter alternative

What's the alternative for Photoshop "Liquify" (Shift+Ctrl+X) filter in Affinity Photo, or Gimp?
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2answers
108 views

How to simulate a better lens blur, i.e. in linear space, with Gimp?

Human perception of intensity is proportional to the logarithm of the physical intensity. When light from an image enters our eyes, we do not perceive the changes in brightness proportionally, but ...
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1answer
863 views

How to really preview GIMP fonts?

I want to choose proper GIMP font for my purpose, so I would like to browse through all of them visually. But, having to choose GIMP font based on a single letter "Aa" (as provided by the text tool) ...
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1answer
240 views

How do I create a palette file that I can use in Krita, in GIMP, from an image? [closed]

I want to use GIMP to create the palette automatically from a series of colors in squares that I have ready, but I can't find the option in this series of instructions: Import a New Palette ...
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1answer
154 views

Exporting Image to PNG causes it to be semi-transparent

I'm trying to create an image with a transparent alpha channel. After clipping image, I've removed white rectangular background using the 'Color to Alpha' tool. It seems to work fine by converting ...