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 ...

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-2
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0answers
17 views

How should I make the background of a .gif transparent?

I'm trying to edit a .gif for one of my friend's live streaming channel. My issue is that the static background is not allowed, and I'm not sure how to make it transparent. I could go through frame by ...
0
votes
1answer
23 views

GIMP: Setting entire foreground to a particular colour

In GIMP version 2.8, I have an image with a black foreground, and a transparent background. I want to set the entire foreground to red, instead of black. What's the simplest way of doing this? I have ...
3
votes
3answers
812 views

How can I combine two colored textures so that the final image is blended to match a specific lighting setup

I have been working on using Blender Cycles to bake textures but it renders very slowly so I have to render at low resolutions. This is fine for the indirect diffuse lighting but really makes a mess ...
0
votes
1answer
21 views

Is it possible to make a 1 pixel diagonal line unbroken in GIMP?

Basically I need to draw a 1 pixel line but I want it so that the line is unbroken. Currently what happens is if I draw diagonally the pixels will touch corner to corner and I want it so they will ...
0
votes
3answers
34 views

remove distinct points from an image by GIMP

I want to remove all distinct points from some images, for example like this one: You can see: points have different color so I can not use select by color tool. point are very close to main part ...
3
votes
1answer
86 views

put partly transpared photo on top of panorama

What is it nessesary to do if I want to see just black edges from background image in image placed on top? Here are links to source images This is what I want to create: You can see there are ...
3
votes
1answer
18 views

Why does the whole Layer fill in when i try to fill in a section on Gimp?

I'm trying to do this texture for imvu but everytime I try to fill in this one section it fills in the whole layer can you please help me? (this is before i pressed cntrl ,) this is after I ...
-4
votes
0answers
13 views

Pencil Size On Gimp 2.8.4 [duplicate]

I'm having some troubles is gimp 2.8.4. My pencil size is HUGE and I NEED it to be 1 pixel, because i am modding. Can anybody take me through a step by step tutorial? By the way, I am on a MacBook Air ...
2
votes
1answer
299 views

Is there any tool that gives the percentage occupied by an area in an image?

Is there any tool that gives the percentage occupied by an area in a image? Given the following image: Is there any kind of tool I can use to know the width in percent of the green and blue areas? ...
0
votes
1answer
120 views

how to make sharp black white edge

How can I make black colour tone pixels completely black. I want to make this on whole raster. I want to do this in Gimp.
2
votes
2answers
30 views

In Gimp, how to resize a Selection after it's been used?

The question is probably not clear on one line! Here some details: made a circular selection (Ellipse Select Tool) to get a perfect circle just after, using the mouse, resized that selection by ...
2
votes
1answer
71 views

Remove only background objects from a png image using GIMP

I have an image with me. I want to remove only the window curtains from the above image using only GIMP. I tried to remove the curtains, but along with curtains the are glasses also removed. How ...
1
vote
1answer
106 views

Print a .svg document without a black background on imported image

I am using GIMP 2.8.10 and inkscape 0.91 on Windows. I want to: Manipulate a photo in GIMP's .xcf format by removing the background -- it should be transparent. Export the image in .png format. ...
0
votes
1answer
43 views

How to optimize JPEGs for retina displays?

I am trying to optimize a set of JPEGs photos (5120 x 2880 px) that will be used on the web for retina screens. The objective is to reduce file size as much as possible while keeping image quality ...
-4
votes
1answer
37 views

How do I duplicate/array a line in a circle using GIMP?

I am trying to draw a speedometer with GIMP. Is there a easy way duplicate the line by rotating it about the center?
1
vote
1answer
286 views

How to bucket fill area with a gradient in Gimp?

I have a very simple problem. In the following image I want the pinnacles and other parts of my (admittedly very awesome) castle filled with some color and other shapes or outlines filled with other ...
2
votes
1answer
70 views

What exactly does gradient map actually do?

I'm trying to do the exact same thing as How can I map the colors in a greyscale image to a specific color "gradient"?, but am failing for unknown reasons. I think the real problem is that I ...
0
votes
1answer
28 views

How to slide a text, to position it, along a path?

There's a way to slide a text along a path to position it in the wished place? In the image bellow GIMP has inserted the text at the middle of the ellipse, and the text asymmetric going toward its ...
1
vote
1answer
35 views

Add a layer on top of all the others to specifically add transparency in GIMP

I have hundreds of layers on an image. I would like to add a layer especially dedicated on transparency - so that I can add transparency to the areas of the image, without modifying the other layers. ...
1
vote
1answer
131 views

Speed up making zoom areas on screenshots in GIMP

I am creating in Gimp effect that is shown on below picture: The way that I am doing it is: Make circle selection Copy paste what is below on new layer Grow selection Add layer and fill it with ...
0
votes
1answer
92 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
vote
1answer
52 views

Substract two images

Let's say I have 3 images A, B and d with B = A + d. Here, d is a semi-transparent image. If I have B and d, is there a way to get A? Example (images from Google Images): A: B: d: I've ...
4
votes
3answers
318 views

Why can I create layers, but not layer groups in the indexed color mode in gimp?

I'm making some pixel art in gimp and I so I figured I should use the indexed color mode since I won't be using very many colors. About halfway through my project I realized that I wanted to be able ...
2
votes
3answers
175 views

Gimp: quick way to cycle through pencil/brush presets?

I have created 6 different pencil pre-sets with different diameters. What I want is to be able to cycle up and down from one pre-set to the next, preferably with a keyboard shortcut. How do I set this ...
0
votes
2answers
72 views

Easy and fast first steps to substantially enhance pictures [closed]

This question is meant to serve as a basis for (possibly) some follow-up questions. I will not be asking about any specific, just general methods of what to do rather than how to do it. A friend of ...
0
votes
1answer
52 views

Change background color in Gimp

I am as newbie in Gimp as in graphic design. For my first learning task I tried to change background color as in tutorial, but I think, I took rather challenging picture to do that. The picture i took ...
4
votes
0answers
47 views

Photoshop: Is there any analog of the GIMP's Rect Select Tool “AUTO SHRINK” feature?

GIMP has a very useful feature for the Rect Select Tool: "Auto Shrink". It shrinks the rectangular selection to the rectangle of a smallest size which still contains all NON-TRANSPARENT PIXELS of the ...
5
votes
1answer
1k views

Can I predefine brushes with color and size in Gimp?

I sometimes find myself using Gimp the way I would use paper. For example, I want to use blue ink size 1.4, anthracite 2-px pencil and size 20 eraser, to recreate the look of a school notebook. I don'...
1
vote
1answer
208 views

GIMP: Open as a layer reducing the size

I'm trying to create a single image from using different single images I already have. I'm creating a new A4 document, but, when I try to open one of the images I want to add, it's smaller than the ...
-1
votes
0answers
24 views

How To Find The Vertical Midpoint of a Gimp Image or Canvas? (Solved)

New to Gimp and had this exact question earlier today. I searched online and found this post, but it didn't give me the simple solution I was looking for. After a few more minutes searching, I found ...
1
vote
0answers
37 views

I need help with the color to alpha tool on gimp

So I used the color to alpha tool in gimp and it did what I wanted it to but when I saved and exported the picture it didn't apply. what I wanted is to take all the white values and make them ...
0
votes
1answer
31 views

Gimp transparency not transparent

I have been using GIMP successfully for a little while, but had no trouble with it. Now my transparent backgrounds are not transparent anymore. I go to Layer and Transparencies then to Add Alpha ...
0
votes
1answer
90 views

GIMP, match images based on shared point

I am not a graphics design person and I think I may be looking for the correct language to ask the question more than anything. I have two maps that I cannot get to match up (scales are incorrect or ...
2
votes
1answer
23 views

How can I change the preset color of a brush in GIMP?

For example, if I wanted to change the green pepper to red, could I do that?
0
votes
2answers
646 views

Is Photoshop worth the cost over alternatives? [closed]

I'm trying to figure out if I should buy into the whole "Photoshop" and "Adobe way". I understand how to use the program quite well, and my trial is coming to an end fairly soon, I don't really know ...
16
votes
2answers
50k views

Gimp - Using an image as the transparency layer of another image

I have two images (For the sake of simplicity, Image1 and Image2). I want to use Image2 as a transparency for Image1. How can I do that? Assume I've done little more with Gimp than play with some ...
1
vote
2answers
74 views

how to display current colour values of pixel under cursor in gimp?

Is there a way to display the colour values of a pixel currently under the cursor? I've seen that in different other software. Why do I need that? I have to clone textured areas in a picture. But ...
1
vote
2answers
35 views

How can I “un-activate” the active layer in GIMP?

I like to use GIMP with the show layer boundary setting on so that when I'm working with a layer a dashed border appears around it. However, once I am finished working with the layer - and I'd ...
1
vote
1answer
31 views

GIMP : Stroke path equation

I am drawing rather complicated diagram in GIMP. There is number of curved lines. Is it possible to somehow get equation of stroked path? I am using that image in little program, where I need to check ...
2
votes
1answer
76 views

how to curve text in an arc using gimp

I have a small tea company and I'm trying to redesign our logo. What I would like is for the text to bend in a arc, as if on a coin. I would like to render the text as if it's "backbone" were ...
1
vote
3answers
2k views
6
votes
1answer
7k views

Get difference between two images as transparent image in GIMP

I have two images A and B which are similar in many regions. I want to create an image C so that B = C on top of A where C should be as transparent as possible. on top of is the normal layer ...
3
votes
1answer
77 views

In GIMP, how to use an image as colormap (or gradient, or palette)?

I already have a reference colormap in the form of a raster image (basically, the vertical extrusion on a 1D colormap). How can I use it to colorise a grey-level image in GIMP ? If gradients or ...
-3
votes
1answer
34 views

Gimp “transparent background” is exporting to jpg as white. I want transparent. did tutorials

Why is my transparent background with the checkerboard, showing as white when it gets exported to jpg?
0
votes
0answers
64 views

How do you square fit an image like PicsArt does using GIMP or MS Paint?

PicsArt has a very nifty tool called square fit that adds a enlarged blurred layer of your image in a now squared background Example I'm not trained in Graphic Design in any way and I confess at ...
2
votes
2answers
48 views

Automating the reizing of different size images to a 300px by 200px image size

I have various size images, some tall and wide others wide and tall, all with different image dimensions. Is there a platform where I can dump all these images and they will be resized to fit into a ...
2
votes
1answer
25 views

Batch combining images in latex or inDesign? [closed]

I'm making my print and play card game. Everything is ready: card frame which is common for all cards (svg), custom image for each one (svg or png) and text to be placed below image in the text field. ...
3
votes
3answers
391 views

How can I modify a GIF that uses “cumulative layers”?

When you save a GIF in GIMP, you're given the option to use cumulative layers (combine) or one frame per layer (replace). Choosing cumulative layers causes the GIF's layers to only contain the pixels ...
0
votes
1answer
140 views

How do I get realistic distance representation using GIMP?

How do I get realistic distance representation using GIMP? Thanks for looking into my post. I am using GIMP 2.8. I am not an expert. I have two raw images (image1 & image 2). I have same object(...
2
votes
1answer
46 views

GIMP: exporting as .png does not produce an image with the specified dimensions in “Scale image” or “Print size”

Let us say that I have a 600x600 pixels picture and I want to create a .png file with it that is 6x6 cm in size. What I do is to set the following in "Image->Scale image": I can check in "Image->...