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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22 views

Straight, dashed horizontal and vertical lines in GIMP

I need to create a horizontal and vertical dashed line. I used the paths tool and then I edit the line to do it dashed. The problem is that I set the two ends of the line manually and I cannot be sure ...
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1answer
24 views

Gimp 2.10.14 : drawing tools suddenly stopped to work

My drawing tools have stopped working and I don't understand why. Even after uninstalling and installing again, resetting the tool's presets, the problem still here on every single picture that I open ...
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How to use mockups in Gimp

I am all new to Gimp, so this may be a very basic question. I want to use a mockup that I found online to put my images in a picture frame. Now, I can only do this by adding the image as a layer and ...
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37 views

Smooth pixelated effect of art

I've created some art in GIMP for a t-shirt printing. The printers want 300dpi (don't know how to convert to that from pixels!). My print is currently 1186 × 849 pixels / 16.488 × 11.803 inches. I ...
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GIMP not exporting personal channel

I have created an image with a parchment-like effect. I achieved that creating a personal channel and applying to it the filter Render > Noise > Solid noise. I then painted on different layers ...
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2answers
28 views

How to invert custom brush in GIMP

Is it possible to invert a custom brush? I am not talking about angle/rotation/horizontally but what part of the brush is drawn on the canvas. I want to invert it in a way so the area which normally ...
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2answers
28 views

Change layer size to fit non-white region

After selecting the region I want to keep, I invert the selection and press delete to remove all the areas I don't want. Now I'm left with the stuff I want to keep, and a bunch of white where the ...
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GIMP feature like Z Index from CSS?

I've used CSS a lot and am trying to create an image that is essentially a composition of multiple images. I know about layers and a little bit about masks but I can't get them to work they way they ...
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31 views

GIMP cant move layer

This is a common issue but none of the previous posts had the same thing, and none of the fixes worked. As the title said, I cant move the layers up and down the layer stack, and when I add a new ...
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Gimp Drop Shadow unbound variable: WHITE-MASK

Running Drop Shadow with: Error: eval: unbound variable: WHITE-MASK Any ideas?
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how to make batch fit images into ratio with blurred background using GIMP?

is there anyway to resize a 4:3 or 1:1 images with this effect using GIMP?
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39 views

Is it possible to cut out a full width horizontal section of on image so that the rest of the image moves up?

I have many web pages that are saved as image files. I need to remove certain horizontal sections entirely and move the rest of the content up. I have been doing this by selecting, dragging, ...
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1answer
37 views

Transparency in Gimp issue

So when I use Gimp, I do the same thing when I turn images transparent: Select it by color, then hit clear. But now instead of turning it transparent, it turns into my secondary color. Can anybody ...
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Ways to remove/select scanning artifacts from document [duplicate]

I often receive scanned documents that has dots and grains in them. I often use the paintbrush in gimp to manually remove them, but it occurs to me that all the dots share so many similarities that a ...
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How make all layer masks of different layers on GIMP affect just one layer?

I'm colorizing black and white pics. At first I started just creating one layer over the black and white pic, setting the layer mode to "overlay" and painting with a normal brush. Then I realized this ...
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22 views

Changing layer order in GIMP

Don't know what's going on. I wanna change the order of layers in GIMP. But drag & drop doesn't work. https://imgur.com/a/h51vsxo It worked a couple of hours ago, but now it doesn't Can anybody ...
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GIMP Bump Map with Cell Noise question

Hello (new to gimp and graphic design in general) I am trying to use the bump map feature to create an effect, almost like paper, onto a solid color. I am using the Cell Noise filter to generate an ...
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48 views

using gimp 2.10 on a mac--selection challenges

looking for a way to perform an operation that works so beautifully in photoshop; on an 8x10 canvas (with content), deselect everything expand to 9x10 canvas so that content is at bottom (already did ...
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23 views

Can gimp rescale the workplace automatically?

I haven't found any solutions for this yet. My problem is this: When I open an image with Gimp, the editor sets a fixed size for the image. For example, I open a 1920x1080 image with Gimp. Then the ...
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2answers
30 views

Save selected portion of image in GIMP as PNG

I have an image that was masked in photoshop that I have now imported into GIMP. I would like to export only the head as a PNG with background transparency. I can successfully export the image as a ...
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1answer
83 views

Need to improve the quality of images with GIMP

I have a number of jpg images whose quality I would like to improve. It is planned to both print them and use them in digital format. I guess to use the GIMP or another programm that I can install in ...
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39 views

PNG export from Gimp not keeping tranparency [duplicate]

Here are the steps I done: Opened PNG (not transparent) Selected white areas that I want to make transparent. Layers > Transparency > Add Alpha Channel Deleted selected areas (I see transparency in ...
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How do I do hanging punctuation with the GIMP Text Tool?

I'm running GIMP 2.8.22 and would like to have hanging punctuation on my right justified text. I hacked it now by Duplicate Layer, adding an empty layer beneath each copy and Merge Down, so it would ...
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1answer
24 views

Gimp dpi changes upon saving work

After I installed the latest version of GIMP 2.10.14 it keeps changing the size of my work the moment I hit save. To see what what happening I opened a white A4 page and the size was 8.267 x 11.693(...
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3answers
50 views

Inverted colour-erase in GIMP (or extract specifc hue)

I have the below image that I would like to remove the background from. As well as some text grinning through from the back of the page, there are some vestiges of the paper colour (yellowish) and ...
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27 views

How to separate Toolbox and Tool Options from the other Docks?

So, I had accidentally closed the Toolbox Dock and went into Single Window mode. I then went to Window > Recently Closed Docks and reopened the Toolbox Dock. This resulted in the Toolbox Dock to ...
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Gimp: Adding watercolor transparency to an image

Example of what I would like to achieve: https://github.com/Krozark/RPG-LaTeX-Template/blob/master/img/art-top.pdf I would like to take a picture and add watercolor splashes of transparency, so the ...
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GIMP. Achieving the effect of a scripting command without using a script

The GIMP scripting command gimp-image-resize is described in the Procedure Browser as follows: "gimp-image-resize resizes the image so that it's new width and height are equal to the supplied ...
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131 views

How to change the image DPI in Gimp or Photoshop?

As said in the title. My customer request 300 dpi, how to change it in GimP or photoshop? Thanks
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35 views

Changing the brightness of a selection using a Gradient option

In GIMP, is there a way to control a gradient brightness and/or contrast of a selection? The application is this: I'd like to control the brightness/contrast of one end of my selection to match a ...
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2answers
50 views

Gimp gif shows transparency but viewers show white/black

So in a web browser this image looks exactly like I want (at least on mine) and the left slice of the image in the latter half of the animation is transparent. However in discord and in windows photo ...
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2answers
33 views

Moving multiple chained layers separatey in GIMP

I put a set of layers in group A and linked them and another set of layers in group B and linked them. If I use the move tool to move the layers in group A, the layers in group B also move. This ...
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1answer
18 views

Merging two sets of images into a new set with the same amount of files found in the first two groups with GIMP

I have a set of image files ordered by file names and another group just like the other one, with the same number of files. I want to get a new file with two layers, having the first layer as the ...
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1answer
34 views

Remove white background for in GIMP with calligraphy scan

I scanned a calligraphy using color mode thinking I would capture more details, which I did along with much noise. Now, I would like to remove the background (white) and make it transparent. While ...
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2answers
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Is there a faster way to use my unique font while keeping it's texture and colour?

I'm working on an indie game and as such, I've made a unique font for that game but this is where the problem comes in: I don't know how to turn this into a font file that will keep all the colour ...
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1answer
18 views

Disable mouse changing aspect ratio in Gimp 2.10.8

I use Ctrl-Shift with the mouse wheel a lot to move left right while also clicking a straight line. It also defaults to changing the aspect ratio of the brush which I almost never use. How can I ...
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0answers
73 views

Gimp 2.10.14: How to make the panels bigger on 4K monitor?

I am using a 4K monitor with 200% system DPI. (200% is a little big for me and I would like to use 150%, but some applications did not scale well under 150%, so I had to choose 200% DPI.) Now, I am ...
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1answer
17 views

Why is GIMP brightness and contrast adjustment with a luminosity mask not color-neutral?

Here is the background part of a picture: I want to brighten the shadows and midtones and leave highlights untouched. I create a luminosity mask following the official tutorial, then apply brightness-...
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1answer
51 views

GIMP (or others): How to remove background (by color) of several images in one step?

I have a set of about 200 PNG-images in like that: Only black and white, no colors, no grey. I need the background color (white) to be removed and tried to do so in macOS Preview (with that Instant ...
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1answer
60 views

Opacity formula in GIMP 2.10.0

Let's say I have a background layer (B) filled with RGB 255 115 0, and a foreground layer (F) filled with RGB 64 64 64. Both layers are in Normal blending mode, the opacity on F is 80%. The resulting ...
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1answer
18 views

Make text box center along columns

I want to create text where each column is centered horizontally based on each letter's center, like this image: However when I try this in GIMP it inevitably ends up off center using the text tool. ...
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1answer
23 views

How to cut multiple selections of same aspect ratio from large scan(s)

I have several high-resolution scans and would like to crop details from them, always using the same aspect ratio (but not necessarily the same size). The intended use is for an article, where each ...
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1answer
27 views

Change multiple png sprite file color to another color

I have a sprite of 100 png files. This sprite file contains two colors only. Grey and blue. Which software or application would someone recommend where i can rapidly change the two colors of these png ...
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1answer
30 views

Change how big a pixel is in an image

I have an image which I am trying to adjust by moving some parts, but when I try to move a certain part, even when I'm zoomed in as far as possible, the most precisely I can move it is by one pixel. ...
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22 views

Checking details of levels adjustment after adjusting

I adjusted levels manually on a picture and would like to know the values to apply the same adjustment on other similar images. Does GIMP let me view those settings after the fact?
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120 views

Exporting GIMP image to pdf with specific page size

I need to use GIMP to generate a particular .pdf with a specific page size, namely, A1. For this question, I did a minimal working example with A4 page size, since I believe the specific format ...
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1answer
66 views

How to make Darktable work in GIMP?

When I open a RAW NEF (Nikon) image in GIMP, the dialog says: GIMP Message Opening '/path/to/file/_DSC0001.NEF' failed: There is no RAW loader installed to open 'Raw Nikon' files. GIMP currently ...
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211 views

How to batch convert RAW NEF to JPEG in GIMP?

I have dozens of pictures in RAW .NEF format from a Nikon camera that I want to convert to JPEG. I found this page with a Script-fu plugin that has a batch mode. I installed GIMP and UFRAW with: brew ...
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2answers
129 views

What are some techniques for designing realistic-looking planets and moons?

I have had this problem for years now. I know what I want for my fictional planet or moon, and yet when it comes to creating an image of it, I continue to fail. How can I break down the task of ...
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1answer
61 views

Gimp Tools Bugged

my some of my tools not working anymore like I can change their settings like size or shape but they're not actually drawing anything its like drawing transparent and the brush cursor stuck at the ...

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