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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
55 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 ...
1
vote
1answer
160 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) ...
0
votes
1answer
69 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 ...
0
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1answer
58 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 ...
0
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1answer
33 views

how to create a custom graphic border from a path?

I would like to create some custom graphical border painted along paths, but I don't knew how or where to start. I Knew how to use gimp and other graphical softwares but mostly I only do photo ...
0
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1answer
40 views

Export preview in Gimp

Is there some solution for Gimp to preview exported result image when i change some export settings like quality for jpg or amount colors for gif? Like in Photoshop Export interface.
0
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2answers
153 views

Gimp - single operation to crop and resize to fit to specific size

This solution is already done in Photoshop: I set result image specific size. Select crop area (in this case crop area rectangle have a proportional resizing ratio to result image size). Make crop ...
0
votes
1answer
26 views

Exporting colour image from GIMP turns grey

I have a gif image that I want to use as a background on a web site, but it's a bit too colourfull and when text is laid over the top of it, there's not enough contrast, so I want to knock it back a ...
0
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1answer
37 views

How do I add a custom button with arbitrary function to GIMP?

I'd like to know how to add a custom button somewhere in the gimp interface that could do some arbitrary function. Examples: click button and it creates a rectangular selection 10% smaller than ...
0
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1answer
53 views

How can I add a custom button to the GIMP toolbar?

I'd like to be able to add custom buttons to the GIMP toolbar. For example to be able to add the "Hue-Saturation Tool". There is a youtube video (GIMP Tutorial: Customizing Main Tool Bar) that shows ...
0
votes
1answer
64 views

Copy area of an image into transparent area on same image

I would like to copy an area into a transparent area in the same image using GIMP. I have drawn a rectangle around the area that I want to copy, then I select "Edit" -> "Copy visible". Then I clear ...
0
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1answer
97 views

How to resize a layer in GIMP keeping the layer transparent while resizing?

For some reason every time I start resizing a layer gimp turns the opacity back to 100, how can I resize a layer so that it stays at it's opacity while I'm in resizing mode? Actually the same ...
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1answer
119 views

getting text to be horizontal as opposed to vertical

I just downloaded GIMP and am trying to work with text on a photo. What I write appears vertically, how do I get it to display horizontally?
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2answers
76 views

learning how to create a label for a bottle of vodka [closed]

What would be the best dimensions and I guess overall way to go about my task? Currently using gimp. Do you recommend any websites I should check out. By the way I am very new at this but learning ...
0
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1answer
57 views

Gimp scale tool always defaults to 'Dont preserve aspect ratio'

Whenever i pick the scale tool and click on a selected region, the scale tool defaults to "dont preserve aspect ratio". If I jerk the mouse slightly when I first click on the selection with the scale ...
-1
votes
1answer
147 views

GIMP Bitmap File Format

What is the difference between a windows saved bitmap "PC bitmap, Windows 3.x format" and a gimp saved bitmap "PC bitmap, Windows 95/NT4 and newer format"? I have need to generate the former through ...
0
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1answer
106 views

How to fully change a border colour in GIMP?

I did the whole select colour -> fill colour thing but all the edges are frayed, how to fix this. Also tried the colour exchange mapping, didn't work so well.
0
votes
1answer
35 views

Color responsive patterns in GIMP?

When using the Bucket Fill tool in GIMP, is it possible to create a custom pattern which will be responsive to the current color choice the way a custom brush (when made correctly) will respond to the ...
0
votes
1answer
40 views

Change color area with different transparencies

I have a picture which I need to edit, but everything I tried didn't work. My picture has different transparencies but everything is the same color. I just want to change the color but the ...
0
votes
1answer
96 views

Synchronize tool settings between mouse and tablet

I am trying to use a drawing tablet with Gimp. But it appears each tool has a different setting for mouse and tablet, so say if you adjusted the brush size for the tablet it's not changed for the ...
0
votes
1answer
31 views

How do I make one border of a selection be a shared border with another selection?

I'm using GIMP to label data in an image, for a machine learning application. I simply want to divide the image into five colors, and I'm using the selection tool (Scissors Select) to outline the ...
2
votes
1answer
99 views

Is there any way to get GIMP make the “Keep Aspect Ratio” option a default option for scaling?

Only asking this question because no one else appears to have done so. In GIMP, when using Transform > Scale, the option to keep the aspect ratio (hidden away in the primary toolbox rather than the ...
0
votes
2answers
87 views

How do I map from a cylinder to a plane? (tree bark texture)

I have a photograph of a tree bark texture, and I'd like to flatten it out to use as a generic bark texture. It's fairly "flat" now but there's a noticeable curve to the edges of the texture. I'd ...
0
votes
1answer
37 views

Gimp animations screws up transparency!

~I've attempted several tries at every option to have my transparent png's to become an animated gif. It either combines main pieces that remain the same as the rest are black and combining other ...
1
vote
2answers
64 views

Use 16x16 bitmap as palette

I have a 16x16 bitmap containing 256 pixels of distinct colours that I want to use as a palette for 8-bit indexed mode. Is there a way to convert this bitmap into one that GIMP can use as a custom ...
0
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1answer
59 views

How can I check if a JPEG image has layers?

So I have received a logo in JPEG format with a white background to be used on a website. That does not look good as the color does not fit well with the header color. The person who provided me with ...
0
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2answers
173 views

Gimp Clone Tool Glitch

I guess I'm getting a glitch in the newest version of gimp, when I'm trying to use the clone tool it's not just working fine, it's not cloning at all its just draw other things
0
votes
1answer
45 views

Transparent GIF is forming grainy, transparent static and I don't know how to fix it.(GIMP)

So, I'm trying to make this gif for a meme but no matter what I do I guess this swiss cheese looking error and I can't even figure out what the term is to google!
1
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2answers
73 views

How do I cut out feathered edges of transparent text in GIMP?

I am trying to create an overlay of a black background with transparent text so that a video can show through the transparency. I have been selecting text on the image by color and then cutting it ...
0
votes
1answer
167 views

Gimp color picker is wrong [closed]

I'm new to Gimp and it seems the color picker does take a color brighter than it is supposed, i have to get the hexa color from another app using screenshot. is there any settings that will make it ...
1
vote
1answer
68 views

Is there a way to save the current GIMP edit history as a script?

Is there a way to export the edit history so I can use it in a script-fu?
0
votes
1answer
75 views

Draw on layer larger than canvas?

I'm new on Gimp and i would like to know if there is a way to use multiple canvas used as layer. I have a background layer where the canvas is. I created a new transparent layer which is 5% larger ...
1
vote
1answer
85 views

Gimp Gif transparency issue

I found this gif online and I loved it but it had a white background. I've managed to get Most of it off, but now it is leaving behind a trail of each frame. I'm not sure why. That's the Gif after I ...
0
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1answer
57 views

Animated GIF not fading in

I created an image that's kind of in three parts. The left piece, a plus sign, the right piece. The idea was that I'd create an animated GIF and start with the left piece, then fade in the plus sign, ...
0
votes
1answer
54 views

GIMP - Mode/Opacity VS Brightness/Contrast

In GIMP, is adjusting the opacity of a layer directly above a white layer identical to making some combination of adjustments to brightness and contrast, or do the two achieve different ends? If they ...
0
votes
1answer
57 views

Crop image pattern 300x300 in Gimp/PS

I have a huge image file with more than 1200 objects on it. I need to crop one by one with 300x300 pixels. I can do it manually by selecting the area of object with crop tool, and crop it and save it. ...
0
votes
1answer
30 views

Loaded png into GIMP looks wierd

(Not an experienced designer / GIMP user) When loading the Kubernetes png logo into GIMP, I get a weird result. How can I solve this? Logo file: https://github.com/kubernetes/kubernetes/blob/master/...
1
vote
1answer
111 views

GIMP - Pythonfu PDB Code For Colors>Desaturate>Color To Gray

I'm using GIMP 2.10.2 and there is an option here for Colors>Desaturate>Color To Gray which works nicely by removing unnecessary gray shades from the photo. However, I have about 200 photos which ...
1
vote
2answers
142 views

GIMP toolbox seems totally different between windows and linux

I recently started using GIMP in linux more often and more thoroughly. In the past months I used to use GIMP in windows. My question is why the buttons in the toolbox are so different between those ...
1
vote
1answer
91 views

Gimp Brushes Glitch

Hi I faced a problem that when I draw with any brush the result is just filled shape of the brush, there are no shadows and details tried to fix it by changing the setting but it didn't work
3
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2answers
413 views

How do I convert images of a page of text to pure Black & White and sharpen the text?

I'm a research student working with large numbers of archival documents. For speed when at the archives, I photograph the documents (with a decent but not fancy digital camera), producing colour .jpg ...
1
vote
1answer
39 views

Why does it seem like difference and addition modes aren't complimentary?

I followed most of the instructions on this question about getting the difference between two similar images, using an image with text, where I removed the text and recreated the object it was written ...
1
vote
0answers
71 views

How to join separate scans of same object

Am scanning game maps using an A4 scanner, so typically they are more than one file. Is there a semi-automatic or automatic way to join them properly? For example, take two images that might overlap ...
0
votes
1answer
172 views

How to draw perfect rectangle using paths tool in GIMP?

I want to draw rectangle (perpendicular edges) using paths tool. I tried using grid, but it does not give precision. Also tried "snap to grid" option seems to not work with Paths tool. In pencil tool,...
2
votes
3answers
102 views

How to simulate weather conditions over a group of images

I'm working on a machine vision project and work with a sequence of recorded stock images to test my algorithms with. They are city images that were recorded in relatively good weather conditions. Now ...
49
votes
8answers
16k views

Q: Gimp vs Photoshop

I have been using Photoshop since the beginning of time. Other than the infamous Paintshop Pro, it is the only image editor I have used. I am about to embark on an adventure of trying out GIMP as a ...
1
vote
1answer
396 views

Gradient Fill disappears when I save image

I am having trouble using the gradient fill in GIMP. Sometimes it stays, but sometimes is disappears when I save the file. What am I missing? I have tried doing it on the same layer as where I made ...
3
votes
3answers
91 views

GIMP: do not move layer to top when transforming

Using GIMP 2.99, I'm trying to fit photographs into a photo frame with cutouts. I created the cutouts in a top layer, and am trying to visually scale the photos on the below layers so I can make a (...
1
vote
2answers
91 views

Heal edges between shapes

Using GIMP, I used the fuzzy selection tool to fill in colors. Now between shapes there are some white pixels, see the pixels between the hexagon and the exterior black color: Using GIMP, or another ...
0
votes
2answers
36 views

How can I turn partially selected areas into fully selected areas in Gimp?

In Gimp, I have one large selection that resulted from attaching multiple smaller selections to each other. Unfortunately, some of these selections were mistakenly created with feathering applied, ...