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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33 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
30 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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1answer
45 views

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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1answer
16 views

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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2answers
21 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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33 views

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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43 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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1answer
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
22 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
74 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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1answer
37 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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23 views

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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42 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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1answer
25 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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1answer
23 views

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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29 views

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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1answer
83 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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2answers
34 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
49 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
32 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
30 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
31 views

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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52 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
16 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
39 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
54 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
17 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
22 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
25 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
29 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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1answer
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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1answer
81 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
52 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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2answers
146 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
126 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
55 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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0answers
93 views

Matting Levin foreground select not working in gimp 2.10

I'm trying to select a foreground object from a photo to remove the background using gimp 2.10.14. I am following these steps: rough outline of object using lasso tool press enter to enter ...
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1answer
35 views

How to automatically outline shapes

I need to draw outlined shapes, like in this example: I created the example selecting the coloured areas and using Edit > Stroke selection, but it isn't very handy when there are several shapes. I'...
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1answer
19 views

Transform is limited to border which I can't change

I have an object which is limited by black-yellow border Then I surround it with cage transform markers Then when I move those markers to do the transformation, the object is still limited by the ...
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1answer
30 views

Rectangle Select Tool moves the image instead of creating a selection in GIMP

I'm a reasonably seasoned user of PhotoShop but a newbie to GIMP. I need to take Print Screens and fuse/crop them together to create images that display full views of the pages on a certain site. To ...
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3answers
59 views

Is there a way to create a brush working as a pattern?

I have a pattern that I use to draw arbitrary-shaped curves like this: To achieve that I create a layer filled with my pattern and a blank layer, then I "draw" my line erasing the second one. A brush ...
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1answer
87 views

Gimp: why can't I edit an image when I open it the first time [closed]

When I open Gimp on Windows and then open any image e.g. jpg, png I can't do anything with it. I've been using Gimp for 10 years+ and this problem started occurring in the past two years with all ...
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1answer
27 views

How do you get a gimp plugin/script to appear in menu [closed]

I am using Gimp 2.8.16 on Ubuntu I am following the tutorial here I have created the script hello_world.py and saved it to ~/.gimp-2.8/scripts.hello_world.py I restart Gimp, but there is no sign ...
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2answers
94 views

Restore transparency to a part of an image

I have this image: Downloadable here. I need to isolate the libellula and "restore" the transparency of its wings, the areas highlighted here: I haven't problems to isolate it but how can I restore ...
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1answer
24 views

Show name of custom patterns in GIMP

I'm creating a set of custom patterns with GIMP. When I import them I would like to have their names below the filter field, as the default ones have: However, GIMP only shows a #1-like string: I ...
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2answers
73 views

How to create light cone and haze effect

I have an image with stage lights in it. I am trying to add an effect so that it looks like the room is filled with haze and therefore there would be a cone coming from the light sources. Here is my ...
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3answers
42 views

Centered grid with GIMP

Working with GIMP I need to use the grid. It is aligned on the top-left corner of the image, but I need it to be centered, splitting the incomplete squares on both the sides. I tried with Image > ...