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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1answer
210 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 ...
2
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2answers
148 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
2k views

Drop shadow for animated GIF

Briefly I don't know, how I can to make shadow effect for animated GIF. For me good solution in any open source/free program, not Photoshop. Detail For PNG images I make shadow effect. Example: ...
4
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1answer
11k views

Edit rotated text in gimp

Trying to edit a text layer which was rotated pops up the following message: The layer you selected is a text layer but it has been modified using other tools. Editing the layer with the text ...
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1answer
476 views

Erase part of selected object

I have duplicated an object. In the attached screenshot, this object is outlined with a dashed white line. I would now like to use the Eraser to delete a part of that object. However, GIMP doesn't ...
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2answers
1k 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 ...
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2answers
228 views

Is there a shortcut for “Auto Shrink” on GIMP?

In order to Auto Shrink a selection, I find the toolbar window (TabTab) and push the "Auto Shrink" button. I do this quite often and would like to know if there's a shortcut built in to GIMP. If not,...
2
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3answers
2k 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
270 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... ...
3
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2answers
289 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
123 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
66 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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3answers
25k views

Why can't I fill a selection with color using GIMP?

I am quite new to GIMP. I created some text and set it along a path. I created a selection with the same shape as my text. If I try to fill this selection with a color (Cmd. or Cmd,) GIMP appears to ...
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3answers
322 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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2answers
87 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 ...
0
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1answer
65 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 ...
49
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4answers
51k views

GIMP: 'move layer' stops working

I'm having intermittent problems with GIMP, where the 'move layer' command suddenly stops working. The mouse pointer changes to the one below: When I make an explicit selection, e.g. CTRL+A on a ...
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1answer
109 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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2answers
74 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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0answers
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 ...
8
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4answers
12k views

GIMP - How do I change UI DPI?

This is a problem I have been having recently. My screen size has a pretty high pixel density and, as a result, all of GIMP's icons are criminally small and very difficult to look at. I've tried ...
4
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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 ...
2
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1answer
854 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
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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1answer
40 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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4answers
27k views

How to add a simple border into an image in GIMP

I'm very new to GIMP and found that doing simple stuff in GIMP is much harder than it should be. All I want to do is add a simple black border around an image layer. I have added this image using the ...
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3answers
276 views

Wish to make a GIMP layer visible to me, but “hidden” to GIMP

I am attempting to create a color-coded grid diagram for a cross-stitch pattern. As shown in the attached image (sorry it is a little blurry, this is just my test run), I have a white "background" ...
0
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2answers
113 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 ...
5
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3answers
3k views

GIMP: PDF export introduces artifacts on edges where there is no background

This is a followup question to gimp: Background removal gives gray fringe, when exported as pdf: To reproduce the problem you have to follow these five steps: In GIMP, create a New Fileo with ...
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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 ...
1
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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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3answers
53k views

GIMP: How to crop a layer?

I have a screenshot where I want only a part of the pasted image, and I want to turn the white that's in it transparent. First I need to crop the pasted image. I have selected the layer and a ...
1
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2answers
10k views

How to edit an EPS with GIMP or Inkscape

Newbie here. I wanted to design a wallpaper, (I was starting with a 1280x1024 size), so I downloaded this graphic from freepik [ see link below ] but I cannot figure out how to edit it. First I ...
17
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8answers
35k views

How do I directly set layer positions in Gimp?

I'd like to directly set (i.e. type in actual coordinates of) the position of my layer in the image, like you can with the selection box: (Not the size, but that would also be cool) Is this possible?...
8
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4answers
16k views

Fill Canvas with background in GIMP

I have a bunch of images whose size is 750x1000 pixels. I wanted to make them 1000x1000 without risking stretching the depicted object so I have enlarged the canvas and centered the original image. ...
1
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2answers
477 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 ...
3
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2answers
140 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 ...
0
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1answer
278 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 ...
3
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3answers
5k views

How to remove background in a scan of an old drawing

I have the following image which I would like to clean using GIMP. Usually, with B&W images one of the following methods works, see here or here. However, I have 3 additional problems in this case ...
1
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2answers
199 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 ...
0
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3answers
475 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 ...
2
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3answers
78 views

Gimp- how to switch/exchange photo

I'm new to gimp. I have created a graphic where I used patches to trace and cut shapes. I've attached the image. I want to be able to create duplicate files using different colour sparkle images. I ...
0
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1answer
356 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 ...
0
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2answers
147 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 ...
5
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5answers
6k views

How do I define or deselect areas where the “Color to Alpha” effect should not be applied?

I have an image where the background is white and there are various important components that are also white. I want to just change the background to alpha, but "Colors to Alpha" - by default - ...
38
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8answers
69k views

Professionals: Would you choose GIMP over Photoshop and/or Inkscape over Illustrator?

I know Adobe's solutions are more advanced, but, as professionals, do you think you would survive (against competition) using GIMP and/or Inkscape instead of Photoshop and/or Illustrator for your ...
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2answers
134 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....
0
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1answer
122 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 ...
0
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2answers
6k views

Edit a PDF while preserving quality

I have a PDF file I need to cut some parts out of for a presentation. I tried doing this with GIMP and saving the result as a PDF. However when I zoom in on the result, the quality is bad, even ...