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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4
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3answers
200 views

Should I scale an image first, or index it?

I have an image, it's the Backtrack_5_PitchBlack.jpg found at http://www.backtrack-linux.org/screenshots/, and I'd like to get it down to 640*480 for a Grub4DOS splash screen. Unfortunately, this also ...
4
votes
2answers
1k views

Command line interface-based way to desaturate and posterize an image?

This is by far my most common task, and I'd say I've wasted about 1000 mouse clicks on it in my raster-based program. Because it's so common for me to start off desaturating an image and then ...
4
votes
2answers
666 views

Gimp: removing background from product images

I often have the task of making the background of product images pure white. While preserving the best possible image quality, what is the quickest way to adjust colors such that the background ...
4
votes
2answers
135 views

When saving an image as a PNG or JPEG, does photoshop/GIMP only save the top layers or all the data?

I need to send a file to someone but it has sensitive information on it that I would not like to share. I was going to just scan the document and edit out the sensitive information with a layer ...
4
votes
5answers
960 views

Convert foreground motif to degrees of transparency?

I have a 24-bit PNG where the motif is a subtle pattern. The pattern itself is in light greys, i.e. the background color of the PNG is #eee and the pattern is in a range of slightly darker greys. I ...
4
votes
1answer
93 views

Make a random dispersion of images

I got a lot of unique images, so my goal is distribute all that images randomly and apply randomly scale and rotation transformations. Like these So which is the best way to achieve these ? I use ...
4
votes
2answers
8k views

Gimp Pasted Layer Move Tool

What I want to do is paste a picture to a new gimp file. I have the background layer and when I paste it puts it into the floating selection like expected. I found that I'm supposed to turn it into a ...
4
votes
4answers
837 views

Gimp grid strange behavior - feature or bug?

When I create a grid in Gimp (a 32x32px grid with 0x0px offset), the distance between the top edge of the image, and the first grid line, is 31 pixels, almost like the grid starts one pixel above the ...
4
votes
2answers
5k views

How do I make a 2D texture into a banner/flag that looks like it is folding from a breeze?

I've got a 2D image and I want to transform it into something that looks like a single frame from an animation of that logo on fabric catching just a bit of breeze. I'm not an artist so don't have ...
4
votes
1answer
1k views

Tutorial on how to create a flowing thread

I'm looking for a tutorial to create wavy flowing threads. Like this: I'm open to tutorials in Photoshop, GIMP, or any freeware image manipulation program. We have a copy of PS. I'm not sure if ...
4
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2answers
2k views

How to remove background with Gimp?

How to remove background from an image with Gimp?
4
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2answers
3k views

Is it possible to add a background image to all 'layers' of an animated gif?

I have an animated gif with transparent background, and I want to add a background image to all layers: How can I achieve it without adding it to every layer individually?
4
votes
1answer
733 views

How to create the round/rectangle dialog on GIMP or Photoshop?

How do you design that bubble?: I tried to use a rectangle and a rounded shape but didn't work out nicely. Would be really nice if someone can point out (or if this kind of shape already exist!).
4
votes
1answer
6k 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 ...
4
votes
1answer
460 views

In gimp how can I get the edges of a filled rectangle selection to look like a painted area?

How can I get a paint colorblock effect on the edges similar to what is on the edges of the red portion of Saul Bass's One Two Three poster? I have two layers, one is a background that is white. The ...
4
votes
2answers
171 views

How to shade region under a mathematical curve?

I want to show the effect of threshold on FAR and FRR( basically the region under a curve with when the x-range is bounded ). To do that I need to do something like this!! image If the threshold is ...
4
votes
1answer
544 views

Using GIMP to extract foreground objects using layers

I want to take some portrait shots and then replace the background. I don't have a green screen or anything I can use for chroma keying, so I had this idea that I could take a picture of a background, ...
4
votes
1answer
495 views

How to size canvas and add and retain full image in GIMP?

I am a GIMP beginner and have successfully created images with my desired transparencies in GIMP. However, I have problems with and can't seem to understand the ins-and-outs of image and canvas ...
4
votes
1answer
4k views

How to apply anti-aliasing to a layer with a transparent background?

I have one layer with some black pixels in the middle and a transparent background. If I add an opaque white background under it, merge both, and then click "Antialias" from the "Filters" menu, it ...
3
votes
4answers
1k views

Is it easy to convert an image to a cartoon with high quality?

Is it easy to convert an image to a cartoon with high quality ? Like this: I've watched this tutorial : but the quality of the outcome is still far away from the one above. Is there a way to ...
3
votes
2answers
153 views

Restore image with negative colors

I have an image that was taken using a negative color filter long ago, but now I need the normal picture, is there a way to get a good quality of that picture with the actual colors? The current ...
3
votes
2answers
394 views

How did they design the Flash logo?

I am just interested to know how was the Flash logo shown bellow designed? How can something similar can be created using GIMP? sorry I can't afford Photoshop. [edit] In addition to GIMP, is it ...
3
votes
2answers
250 views

Outlining photo content (like a colouring book)

I am trying to make a full color photo into just a black outline to be printed and colored in by hand, basically just making coloring pages off of full color photos. I just installed gimp, but cannot ...
3
votes
4answers
2k views

Removing shadows in a white background photo

How do I remove the shadow in this photo? I tried fuzzy select on my actual image, the object has grey elements that make it difficult to distinguish properly. I can do by parts, but the real ...
3
votes
2answers
173 views

What sort of structure does the slice tool generate when exported as HTML?

When I used the slice tool on each part and export as HTML, does it generate a skeletal HTML code where it consists of frame layouts? I would like to know for both Photoshop CS4 and GIMP.
3
votes
2answers
168 views

How can I apply realistic brush marks on an image?

I wonder how brush marks are applied to images. For example, there are some good marks on the sun graphic below. Are they textural, or do they require some special painting tricks? Any keyword that ...
3
votes
3answers
1k views

GIMP Rounded Rectangle Radius > 100px?

I am wondering if there is a way to make GIMP (2.8 on Mac) allow me to make a rectangle with rounded corners - the radius being over 100 px. This seems to be the current limit. This would greatly ...
3
votes
2answers
2k views

How to create a one pixel pencil brush in Gimp?

I have googled this and found a number of answers and videos which all say that this can be done by setting the brush size slider in the brushes panel or brush editor panel. I'm either clicking on ...
3
votes
2answers
467 views

An opensource equivalent to Photoshop that has Lasso and Warp tools?

Using Photoshop, I can edit the image by using the lasso tool and warp tool, but Photoshop is not open source, I need an open source software to edit the image by using the same tools. I tried GIMP ...
3
votes
1answer
3k views

How to create Android PNG Icons from an SVG using GIMP

I'm pretty much a graphics design noob, as you can tell by this very basic question. What I am trying to achieve is to create a set of Android icons from an SVG file that I have. In case you didn't ...
3
votes
2answers
8k views

Moving a part of an image with GIMP?

This is the original image and I want to move the text to the right of the image: But I failed, I tried to resize the canvas but then when I move the text the layer gets invisible when put on the ...
3
votes
2answers
175 views

How can I select the convex hull of an existing selection?

I'm trying to remove blue skies with clouds quickly from many images. I've used gimp's Color Selection Tool, which selects the sky but not the clouds. Since all clouds are in the sky, if I could ...
3
votes
1answer
4k views

How to record action for automatic repeat in GIMP?

I have repetitive actions I need to perform on images that are all consistent. For example I have 100 images with size 100 X 100 What I need to do on each one: 1. scale to 75 x 75 2. export as png ...
3
votes
1answer
309 views

How can I create the illusion of movement with GIMP?

I am using GIMP to edit my images. I have a regular playing card from a top down, 2D view. I want it to appear as though it were being tossed very quickly. I wanted to remove the top down view and ...
3
votes
4answers
2k views

Remove white part of every color to make lighter parts more transparent

My problem is so general, and there are version-dependent plug-ins for the problem not working with my version. I also found workarounds that are not the correct solutions. I would to convert my ...
3
votes
1answer
2k views

how do I import a vector path from Inkscape into Gimp?

I'd like to take an SVG clipart, pull out particular paths from it, and bring them into Gimp and use them to create selections and/or to stroke. Nothing I've tried seems to work -- even though Gimp ...
3
votes
1answer
576 views

Letterpress effect with an inside glow

I have been using a letterpress effect on the buttons and titles of my website to great effect, but now I'm trying to incorporate a glow effect for mouse overs and such. I have been trying to ...
3
votes
1answer
311 views

Removing a grid from an image

I'm doing some image processing to detect bubbles in oil. One of the filters I use creates a grid in my image. If you look closely at the image you can see horizontal and vertical lines through the ...
3
votes
1answer
3k views

How to create a realistic shadow between wall and floor in Photoshop or GIMP?

I'm inexperienced with Photoshop/GIMP and was hoping someone could tell me how to create a realistic (or as realistic as possible) shadow between a wall and a floor as a background image for a web ...
3
votes
3answers
485 views

How do I create an abstract image with a color gradient with Gimp?

I want to create an image that looks like this: How can I recreate this effects, or what terms should I use for finding better results?
3
votes
5answers
3k views

Gimp: Pick color on screen without taking screenshot

Sometimes I want to quickly use a color that I see on a picture, website or program. I usually take a screenshot then open it in Gimp and use the "Color Picker" tool. Is there another way to do this ...
3
votes
2answers
788 views

Separating a stock photograph from background

I purchased some stock images for a website I'm building (I'm a programmer, with relatively no design experience at all). The issue at hand is, like most stock images, the images I purchased are on ...
3
votes
2answers
2k views

What's the best way to create a subtle, barely noticeable texture? [closed]

Using Gimp (or other free software), how would I go about creating a subtle, "mild" texture, like the green in the header at forrst, or the gray in the background of the backbone.js home page? Those ...
3
votes
1answer
14k views

Make an outline with GIMP, like in Photoshop

How do I add a stroke to a layer in GIMP?
3
votes
2answers
103 views

In GIMP, how can I change one solid colors to multiple color variations?

I'm not really sure how to ask this in words, but I used to use a program along time ago that would change one solid color into multiple variations. Say I have a solid red square, but I want it to be ...
3
votes
3answers
711 views

How to draw 3 overlapping circles with different colors?

Is there a free software to draw following in ubuntu? How to color the overlap zone? I am not able to figure this out in GIMP.
3
votes
2answers
2k views

How can I accurately draw a mockup for an iPhone 5 app in GIMP?

In the Appstore you can show screenshots of what the app looks like to the user so they know what to expect. I am looking into creating an image from scratch of a screenshot of an app. Here's my ...
3
votes
2answers
341 views

Automatically remove overlays from a set of identical images using Gimp

I have a number of images that have all the same background but each has different text overlaid (they are covers of a magazine journal). I don't have access to the background image, but I know that ...
3
votes
1answer
3k views

Portable file format to export Photoshop layers

I'm working on web-apps and frequently have to slice designer-made PSD files as HTML. However, I'm a GNU/Linux user, and in Gimp, PSD files look different than in Photoshop, so I'm forced to use a ...
3
votes
1answer
4k views

10 pixel square brush in Gimp… how?

I need a brush that is exactly 10x10 pixels. Here is what I have tried so far: creating a brush with a radius of 5. This, of course, results in a brush that is more than 10 pixels wide creating a ...