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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81 views

Gimp: print gets reduced by a few mm in both dimensions

I am using GIMP 2.10.8 for making 36mm x 46mm photos. To achieve this size i am doing following: Fixing aspect ratio to 360:460 Cropping the selection and scaling it using following settings: ...
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2answers
62 views

How to delete a unit of measurement from the Units dialog?

In GIMP 2.10.6 there's a Units dialog (Edit > Units) where you can add your own units of measurement, but there is no obvious way to remove them. How can you remove custom made units of measurement?...
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1answer
53 views

How to remove an object in a photo in inkscape? [closed]

How to remove an object like stairs from a photo without leaving a missing part in the photo in Inkscape? I'm trying to remove stairs from a photo and then blend it so you can't tell that the stairs ...
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2answers
147 views

Upsampling Image for poster print

I'm looking to upscale the attached image so I can print it on a 90cm by 60cm canvas (36in x 24 in roughly). If I want the image to have 240 pixels per inch (is this too much?) Id have to get the ...
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1answer
284 views

Transform/scale multiple images onto the same position in GIMP

Just started to learn GIMP today. Here's my question. I have an image of a 3d-object in a certain perspective multiple images (all the same size) certain data GIMP I'd like to transform/scale the ...
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1answer
147 views

Make a border of symbols in Gimp

I am trying to bake a border pattern of images in Gimp. I am finding it to be a tedious task and am hoping there is a better way. I have a large image say 400x400. I have a small image, say 20x20. I ...
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1answer
225 views

Antialiasing on a transparent background, png exports as a fade to white instead of alpha

As noted in the zoomed snippets below, I'm able to get the antialiasing looking good in gimp (just by using the AA setting in the ellipse select tool). However, when I export it (as png, of course) ...
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1answer
210 views

GIMP Animation: How to merge a layer on top of all other layers?

I am creating gif banner animations with GIMP and I have a product animation ready. How could I apply a layer on top of all layers of the animation? The layer would have some image and some text, if ...
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2answers
221 views

How to convert a tiff image to vector scale format (PDF) in Inkscape?

I would like to convert a tiff image to the vector scale format for publishing my article in a scientific journal. I created the tiff file using Gimp.But the journal only accepts the figures in vector ...
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1answer
165 views

“Airbrush” effect

I'm copying a drawing in Inkscape to be able to enlarge it and use it to print a t-shirt. The original is this: And the one that I made is this (far from perfect, but the best I my abilities allow ...
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2answers
79 views

What are the main things that decreases the quality in GIMP?

I am relatively new to using GIMP. A few days ago I learned that rotating an image might downgrade the quality because of the anti-aliasing, and that surprised me, for I thought rotating an image is ...
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2answers
112 views

Newbie Help. How to create transparent layer from checked image?

I just bought this image from Shutterstock which comes as either a jpg or an eps. I use Gimp and am familiar with transparent layers ( which is what I want) but this comes as a flat image. I thought ...
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1answer
68 views

Cannot select the background layer in Gimp

I'm trying to delete the background layer but I cannot select or right click to it. I had been pasted a layer. How can I fix this ? Thanks.
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1answer
30 views

Automate layer comment insertion for animations?

I am reading this tutorial on how to create GIF animations in GIMP. https://www.gimp.org/tutorials/Simple_Animations/ The tutorial says, In GIMP you specify the delay as a layer comment. Just ...
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1answer
303 views

How to resize the background canvas size to the size of the layer in Gimp

How to reduce the background canvas size to the layer size. I used Image > Fit canvas to layers but it does not do this. In Fireworks there was a button named Fit To Canvas for doing this. I ...
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2answers
196 views

gimp: use modifiable layer as mask of another layer

I have text cutting out pieces (letters) from background layer using alpha to selection on the text and using that selection as mask for the background layer (like in this question how can i make ...
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2answers
52 views

How to move contour of selection instead of content of selection (GIMP)?

I was able to do so, but those buttons gone (probably compatability with new hardware issue) , but anyway I need some workaround - shortcut or using a menu bar. How I was doing it in the past: I ...
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1answer
208 views

How can I (using Gimp) accurately remove a red background from an image?

I've been designing some custom backgrounds for a game recently, although I have little to no skill with photo editing. I've usually only used MS paint, but this particular project required tools that ...
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3answers
4k views

Blurring the edges of a layer on Gimp?

I am trying to blur a layer on a Gimp photo. It's a pink layer called 'Capa 1'. I have tried inverting the layer, and feathering however it hasn't worked. I need to blur the edges so they are not ...
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3answers
815 views

Gimp - Level adjustment as layer, like photoshop?

Is there any way to adapt the levels of an image through a specific 'level' layer, like in photoshop ? I find it very handy to have it as a layer. See below, I'havent found a way to achieve that... ...
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1answer
141 views

GIMP Clone using different size, rotation, reflection, perspective transforms?

Is there a plugin for GIMP to enable cloning with transforms (size, rotation, reflection and/or perspective) performed automatically? Currently, the only way I can see to do these things is to ...
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2answers
169 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
79 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
395 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
115 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
82 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
137 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
43 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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0answers
30 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
106 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
2k 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
2k 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
410 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
1k 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
44 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
122 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
137 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
577 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
360 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
167 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
667 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
262 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
484 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
173 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
249 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
352 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
646 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
60 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 ...