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 ...

learn more… | top users | synonyms

0
votes
1answer
53 views

Filling in lines on scanned line art GIMP

Is there an easier way to fill in the lines in a scanned drawing. Easier than just tracing the whole thing with the brush tool. I scanned in my drawing and then used threshold to get rid of the paper ...
0
votes
0answers
36 views

Get the scissor Path

How can I copy the scissor path directly without going through selection and then converting the selection to the path The reason is that the selection to path way create too many points than those I ...
2
votes
1answer
123 views

Make droplets stand out on this photo

I'm trying to modify this image (with Gimp) to make the droplets on the surface where H905 is written stand out as much as possible, and everything else to stand out as little as possible. Would ...
17
votes
5answers
27k views

How to convert old scanned documents into black and white

I have some old documents that have been scanned, and I want to convert them to black and white. Content should be always black, and background white: I use Photoshop.
1
vote
0answers
29 views

how to get results of the node setup in gimp?

Here is a very easy node setup in blender: suppose if we want to see the results in gimp with the subtract mode set on the wave texture we get a result such as this: the results are quite ...
1
vote
1answer
74 views

How to scale the alpha layer without scaling the image ? gimp

I am trying to write text which larger than the image itself, as you can see in the bellow picture: but gimp doesn't show the complete text, because the alpha layer is smaller than the text size. ...
2
votes
2answers
192 views

Animation over a static jpeg picture

I have a (simple) animation gif file (produced using gimp) and a static jpeg picture. I would like to put the animation gif file into the jpeg picture. How can I achieve that without losing the ...
0
votes
1answer
54 views

GIMP: Can I see other layers while playing with the iWarp filter

It's useful to have the IWarp filter, interactively smooshing parts of a layer around. But often I need to see the layers underneath it while I'm doing that, so I can check that my distortions look ...
1
vote
0answers
87 views

Using imaging software to turn images into colouring-in activities

I am trying to prepare colouring-in pictures as children's activities. I have seen this question and attempted using this kind of technique. It works well for touching up existing line art, but isn't ...
4
votes
2answers
753 views

Export multi page pdf with gimp

I understand that it may be possible using imageMagicks: convert image.mng out.pdf however is there a gimp way of doing this? I also saw this script/plugin which uses convert: ...
1
vote
1answer
47 views

Automatically scaled opacity for multi-layered images

I have several set of images with a fixed background and an object moving in the foreground. I'd like to get an idea of the motion of the object by superimposing images with scaled opacity. If I load ...
1
vote
2answers
129 views

gimp change colors in 2-color image

In Gimp I have a simple graphic image with two colors (a foreground and background color) with anti-aliasing between them. I would like to change either one or both of the colors in the image to ...
0
votes
2answers
34 views

Yellow/black bordered region in layer

After many years of casual use, I'm still very new to GIMP. I've somehow managed to get a boundary around my shapes. If I try to move any shape it is truncated at the boundary. What is this yellow ...
6
votes
1answer
6k 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 ...
1
vote
1answer
50 views

How do levels in gimp work?

How to input and output levels work in gimp? for example when we try to fix the color, brightness etc, using curves the vertical axis represents the output level and the horizontal axis represents the ...
1
vote
2answers
968 views

How do I draw horizontal/vertical straight line in GIMP?

you can consider me new to GIMP. I've tried by holding Shift key, can draw straight line but I want a straight horizontal/vertical line. So, How can I draw straight vertical/horizontal line?
0
votes
1answer
1k views

Can't make a png image that has transparent background

I want to make a transparent image, so I made image's background transparent like this. But exported PNG image was not transparent, it was kind of gray. What am I doing wrong?
0
votes
1answer
162 views

GIMP - how to make transparent brush from an image layer?

I would like to make a (semi-)transparent brush in GIMP. Starting from an image of marble with white background and veins in shades of grey, using various layers I selected the white to alpha and ...
-1
votes
1answer
73 views

How do you extract text and styling from a Static GIF?

I have a static non-animated GIF image, is there anyway to extract a line of text and/or its font formatting information from it? I've tried opening it in GIMP, but the whole image appears to be only ...
1
vote
1answer
68 views

How to bisect a selection with GIMP?

How can I cut a rectangular selection exactly in half, so that a 128-pixel long selection becomes 64 pixels long? I have this: I want to select just the top half of this box (so I can bucket fill ...
3
votes
1answer
357 views

In GIMP, how to completely disable anti-aliasing/interpolation while scaling a selection?

I'm trying to design something in GIMP that must have no anti-aliasing/interpolation at all. When I scale up, I want sharp edges with no blur. I can disable anti-aliasing/interpolation while scaling ...
1
vote
1answer
36 views

GIMP Add touch-up layer after adding curves layer (and other layers)

Suppose I add several layers in GIMP to make various adjustments such as color corrections and burning/dodging. Once the image generally looks good, I then wish to non-destructively (i.e., without ...
5
votes
1answer
1k views

Chroma keying a background to a green screen animated GIF

There are some GIMP tutorials about adding a background for a green screen GIF, i.e. chroma keying. But none of them is about a green screen animated GIF (e.g. the "Confused Travolta" meme). GIMP can ...
1
vote
1answer
43 views

Short-cuts for gimp

I want to edit many jpg files and use the color curves tool to adjust each image with a individual color curve. I could not find a keyboard short cut to open the curves tool. Is there any? How to ...
2
votes
1answer
79 views

Using GIMP, is there a way to fill an image that has transparency?

For a given shape, I would like to fill it with the line color. However, using the fill bucket, the transparency on the inside of the image is still visible. Double clicking with the fill bucket ...
9
votes
2answers
13k views

How do I insert arrows into a picture in GIMP?

I'd like to insert perfect arrows (the sort you can make using Inkscape: straight, symmetric tips, of customizable width and length, etc.) into images in GIMP. At the moment the closest thing to this ...
0
votes
2answers
101 views

Getting a triangular tear effect in Gimp?

I want to create a "tear" effect with regular triangular shapes to show I'm omitting part of the middle of a screenshot, something like: When I search for tear effects all I find is realistic ...
4
votes
4answers
24k views

How to sharpen text in GIMP?

I have two layers. Layer one has the background image (some landscape) and layer two is colored. Layer two is above and I insert a text on top of layer two and merge it with layer two and then set ...
0
votes
0answers
60 views

Why is the anti-aliasing so bad in this text with GIMP?

I am trying to use Gimp to create a logo. I have the fonts that I need already. No matter what font I use in GIMP I see really obvious anti-aliasing on the text. I suspect this is caused by GIMP and ...
0
votes
1answer
389 views

How do I extend an image by adding blur to sides?

I need to make an image 1080 x 1920. But when I do, the image looks very distorted. Is there a way I can extend an image by adding this blur to the sides of it? Also, does anyone know what this is ...
1
vote
2answers
635 views

How to achieve this cartoon effect in GIMP?

Cartoon filter doesn't make it. Desired effect examples: Image 1 source: http://stackoverflow.com/a/1357489/1165509 Image 2 source: http://stackoverflow.com/a/1357751/1165509 Can you describe ...
1
vote
2answers
117 views

Image's texture might be stretched?

I came over from Stack Overflow, I'm not really sure if this is the right place to ask this question, I'd like to apologize in advanced. I just finished a couple of isometric maps, the first map is an ...
5
votes
1answer
409 views

How to Match Skin Color Between Pictures Of The Same Person In GIMP

I have two pictures of the same person. Pictures were taken at same place but slightly different light were used in each one. I would like to adjust the skin color in one picture to match the other so ...
1
vote
2answers
220 views

How to make a “barrel” shape from a flat image (?) [closed]

If you have a flat image ie logo you want glue onto a cylindrical "package" to show final product -- what free s/w package (or script) do you use? (I use inkscape and gimp to create flat art with no ...
0
votes
1answer
47 views

GIMP: Indexed (Gif), change white to transparent

I have a 1-bit black-and-white GIF, I need to change the white into transparent. How do I do it in GIMP?
5
votes
1answer
26k views
1
vote
1answer
73 views

GIMP Scaling Groups of layer masks

Using GIMP it's possible to link a number of layers together and scale them together. However I have about 5 layers each with a layer mask that fit together - I would like to scale these together with ...
0
votes
0answers
46 views

Blend mode for adjusting opacity

I have created a new layer X which I wish to apply to the lower layers with a blend mode such that the resulting image takes its alpha channel from layer X but all other channels from the lower ...
4
votes
3answers
134 views

Why is GIMP's rendering fonts differently than other applications?

I noticed that if I compare the same font-family and font-size from other applications to GIMP, the output is different. In the image below, on the left is 8pt Microsoft Sans Serif rendered in Word ...
-1
votes
1answer
40 views

How to get the numbers of layer in a photo? [closed]

In the book page 139-140 , there are three separate photo layers: the text (Mungo National Park), a photo of a rock carving, and a photo of sand and rock formations. How to get the numbers of layer ...
2
votes
1answer
53 views

Filling areas in scanned maps (not by colors but by pattern)

I have old land-use maps in a scanned format. I am trying to obtain proper land-use maps from it, similar to what is described here: ...
1
vote
1answer
114 views

GIMP - how to fold all layers in list?

I am working a lot with 3rd person PSDs in GIMP. They usually contain a lot of layers and by default they are all unfolded in layer tree window. How could I collapse all layers so I will only see ...
133
votes
3answers
676k views

Making the background of an image transparent in Gimp

I have some jpg images and I need for each of them to have a transparent background. I have GIMP as a graphic tool. I need to put them in a web page and I need to see just the main element and have ...
3
votes
2answers
1k 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 ...
2
votes
2answers
135 views

Quickly resizing canvas using “border pixels” to fill up new space in Gimp

I noticed that one of the tasks I often perform in Gimp comes down to making a different aspect ratio version of a simple PNG (an icon with a simple gradient background for example). They can be ...
0
votes
0answers
47 views

Fade in black background in GIMP

I'm trying to edit an image with a black background to be T-shirt ready, which mainly means that I don't want there to be a huge black square. I tried messing around with cutting out all of the black, ...
1
vote
2answers
53 views

Fill a shape with Bucket Tool (except leave the text inside the shape transparent) in Gimp

I have this image that I downloaded and I am trying to recreate it in a larger size. This is what I have so far: I really want to be able to fill in the oval with black, but not fill in the ...
0
votes
0answers
40 views

What is the term used to describe mixing or merging a color into an image? [duplicate]

A common effect I see on the web is to mix a color into a photograph, here is an example where the image has had blue applied to it (or possibly had the red and green channels taken out?) I would ...
0
votes
1answer
283 views

How to change all pixels in Gimp that are not one of two colors to white?

I was trying to submit an app to the Windows Phone app store. Here all pixels need to be white (#FFFFFF) or transparant (#FF####). I had a black logo on a white background. To make the background ...
0
votes
2answers
58 views

How to get GIMP to unselect the initial background?

How can I get GIMP to de-select the background in my attached picture? Everytime I try to use Select None...nothing happens.