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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2answers
108 views

Copying & Pasting inverted image in GIMP

I have a basic image that is black on a white background. I simply want to invert the image, take the now white portion and paste it on another image in GIMP. I am having no luck. Within GIMP, I ...
0
votes
2answers
92 views

Pixel Art in Gimp

I want to create some Pixel Art images with the help of gimp. when I wanted a pixel field of 8x8 I used to simply create an image with the width and height of 8 and used the pencil with the pixel ...
1
vote
1answer
114 views

Gimp export layer mask as png

As the title says, how can I export only the layer mask? I want to do this because I need to use it in another program.
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1answer
51 views

How to apply color layout to an image? [duplicate]

Is there a way to in GIMP to apply a color layout to an image? For example this image has a blue color laid out on it. How can I do something similar to another image?
0
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1answer
37 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
104 views

Make a particular colour less bright

I'm trying to create a reference image for a greyscale drawing. In the original reference photo, the subject is wearing a brown jacket and grey pants which have pretty much the same brightness, and ...
1
vote
1answer
132 views

8-bit gray image in gimp

I change the mode of my figure to Grayscale in the gimp and export it in the .eps format. But my output .eps figure still has CMYK mode. Is any other action that I most do to have a 8-bit gray image?
4
votes
1answer
52 views

GIMP: Stroke Path along single points

What I need: to draw different sets of icons in the same points of the picture (with the purpose of drawing different network schemes with the same structure). There are A LOT OF Points. Therefore I ...
1
vote
1answer
48 views

How can I change the color of images in GIMP?

I'm creating a login form like the following. Now I have the color versions of the images but I don't know how to make them black and white. Can you help me?
-2
votes
1answer
109 views

How do I sharpen a bitmap image that has been enlarged from a small size? Is it even possible?

I am trying to find a way of sharpening the following image with GIMP: Is there any approach on doing this? Is it even possible?.
0
votes
1answer
46 views

Using GIMP, how do I fill the canvas with an image?

I have this in my canvas: What I want to do is cover the whole canvas with this image; the image is 250 px wide, so I want to add 3 more so the whole canvas looks like fire! How do I do that? ...
0
votes
0answers
73 views

.dds File Loses Color When Viewed in Layers

I have three .dss photo files from a video game that are textures. A lot of the separate maps (diffuse/specular/normal) are on different layers of these photos so I need some layers individually to ...
1
vote
3answers
132 views

Set transparency of wood print [duplicate]

I am trying to make initials found in old books transparent. E.g. The paper should be completely transparent and the dark parts of the print fully opaque. But the parts of the print that are not ...
0
votes
1answer
115 views

Remove existing outline of text color on a GIMP 2.8.14 image

Trying to change existing text on a book cover from blue to a different color, yet the blue remains along the outline of the letters. Thanks
4
votes
3answers
183 views

photoshop's stamp filter alternative for gimp

In Photoshop using Filter > Sketch > Stamp you can create transformation shown in images below Is there any plugin or any way to do this in gimp? P.S: in gimp Color > Desaturate is not helping
1
vote
1answer
48 views

Gimp - fast switching to eraser

I've been searching for this but all I find are annoying tutorials on how to click the eraser button. Whenever I switch to the eraser it keeps the tool size I was using for the pencil, I'd really ...
3
votes
2answers
54 views

How can I shrink these areas using gimp?

I have an imagemap. I want to shrink to areas that are pink and are overlays when hovering the mouse over the map to highlight the selected region. Now I can't seem to shrink the pink areas that are ...
0
votes
1answer
101 views

Is it possible to generate seamless “mosaic” tiles algorithmically?

I am pretty much a noob with respect to most power features of Gimp and graphics design in general. I found the tutorial here on texture creation to be very interesting and helpful. I had a couple ...
0
votes
2answers
206 views

How to convert an array of HTML colours into into a picture? [closed]

I have an array of colors, for example: A=[['#ff00ff', '#00ff00', '#ffff00', '#00ff00', '#0000ff', '#00ffff', '#00ffff'], ['#0000ff', '#0000ff', '#00ffff', '#00ff00', '#ffff00', ...
1
vote
1answer
170 views

how to make edge of layer round in GIMP?

I am using GIMP. I want to make a new layer (above another layer) with round edges. How to do it? thanks
1
vote
2answers
235 views

Remove transparency in bulk - GIMP

I have 3,337 PNG images which all have a transparent background. First of all, I don't know how to remove transparency... Second of all, I want to do this with all 3,337 images at the same time. I ...
0
votes
1answer
76 views

GIMP How to slice a shape properly?

I used the path tool to select these segments but now there is a one pixel wide alpha line between them, what's the proper way to do this?
0
votes
1answer
79 views

How to Select by Color WELL?

In Gimp (2.8.10) when I use the Select by Color tool it frequently selects bits of color physically distant from the area I'm trying to select. For example I'm trying to select the color of a shirt ...
1
vote
2answers
174 views

How to change the size of transparent background in Gimp?

The following image cuts when used as a logo here. I want to increase the size of the transparent background so it fits in properly without the underneath cut, as shown here. Using Gimp 2.8, how can I ...
1
vote
2answers
76 views

How can I make the alpha in a layer proportional to the darkness?

I have a layer that I want to merge and I want the dark colors in the layer to have more weight. How can I make it so that black pixels are 100% opacity, white pixels are 0%, and #7F7F7F pixels are ...
0
votes
1answer
99 views

sand from under car animation

I'm creating a mini game where you are driving a car in a desert. You're looking at the car from above. I already have a model for the car, but now I'm trying to create an animation of sand coming ...
0
votes
0answers
157 views

scan/fax with text & numbers in black & white - how to improve/cleanup/enhance using Photoshop/GIMP?

I do not have a lot of experience with Photoshop or GIMP. I have a scanned or faxed document of an invoice/receipt that I am trying to submit to get reimbursed. I was mailed a copy with text that is ...
3
votes
2answers
134 views

What is the correct name of this filter?

Normally, this is what would you would see if you magnified older newspaper images printed in color. (check the background of the attached image) What is this filter called? How can I recreate this ...
1
vote
1answer
116 views

GIMP opens JPG file with different colors

I have a JPG file (produced in Illustrator, from the EXIF tag) which, when opened with GIMP, displays the colors differently from any other program I have (e.g. Firefox, eog, gThumb, etc.). Here's ...
0
votes
1answer
522 views

How do I add a semi-transparent color over an image in gimp?

Example of what I'm trying to do is the radar maps in MechWarrior 3: you have a "satellite view" of a landscape and the whole image has a semi-transparent green hue and you can see all the details of ...
0
votes
1answer
143 views

Is there a Photoshop equivalent to Gimp's Bump Map filter?

I'm following a tutorial on fantasy cartography. It was written for Gimp, and I've been figuring out how to convert the steps to Photoshop (CS6) as I go along. The step "Bump Mapping your Height ...
1
vote
2answers
55 views

Isolating red ink with GIMP/Photoshop

As a puzzle author, I often write puzzles with red ink and then test-solve them with pencil. What would be the most efficient way to remove the pencil and blue gridlines from the paper to leave only ...
0
votes
1answer
53 views

Is there any way to change a color without affecting its brightness in GIMP?

I'm trying to find out because I'm making a mod for Minecraft and I'm trying to keep the regular brightness variations
4
votes
1answer
552 views

How to make PNG-quality animations in GIF format?

I've noticed more and more sites using animated GIFs that have PNG quality. You'd think they're the latter if you didn't check the image info. The lines are crisp, the colors look great, there's none ...
2
votes
2answers
410 views

Gimp 2.6.12: modify alpha channel while preserving color

This is for a video game in which a specularity mask is in the alpha channel of the normalmap. I need to create an image where the alpha value for some pixels are 0 (to indicate no specularity,) but ...
0
votes
0answers
68 views

Gimp paintbrush blendmodes usage

While I can understand singularly every blend mode of the paintbrush from the math point of view, I cannot find a use for most of them (the only ones I used are for drawing a castle and these were ...
0
votes
0answers
60 views

Change the blue shades to white shades

I have an image of many different colors. I want to turn anything that is predominantly blue into being predominantly white, while leaving the other colors unchanged. So if the RGB of the image has ...
0
votes
1answer
58 views

How Can I View Applied Filters in Gimp

I would like to see the filters that are applied to a (text or image) layer in GIMP. Is this possible? Thanks in advance
1
vote
1answer
285 views

Erase a single pixel in GIMP

I am trying to illustrate in GIMP 2.8 with pixel-perfect precision. The pencil tool allows me to fill in a single pixel without any fuzzy edges or anti-aliasing. However, the eraser tool operates more ...
2
votes
1answer
85 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? ...
1
vote
1answer
44 views

GIMP: Ellipse position from center

I know that I can create an ellipse from the center. However, inside the tool properties panel, "Position" refers to the top-left corner. How could I change its position based on its center point? I ...
2
votes
2answers
55 views

GIMP: Toggle show/hide all non print extras

In GIMP, is there a way to quickly toggle all visible guides, grids, selection boxes, etc that are cluttering the display? I'm hoping there's something that's one key stroke instead of the way I ...
2
votes
4answers
122 views

How can I beat the browser when it comes to reducing image size?

Can't get my head around this. I tried several ways to reduce the pixel size of a logo in Gimp. However, the browser (either safari, firefox or chrome on my iMac) is always amazingly better reducing ...
3
votes
2answers
98 views

How to create an 16× error/difference image using GIMP or Photoshop

I need to create a quality comparison between two rendering methods by showing the difference of the results akin to figure 6 in [Walter et al. 2005] (p. 5): (Image copyright by Walter et al. 2005). ...
2
votes
1answer
118 views

How to have multiple views in single window mode using GIMP?

I'd like a real-time preview while editing icons in GIMP. I know that you can press View > New View to get a real-time preview window, however in single window mode gimp puts the preview in a ...
2
votes
1answer
880 views

How to do material design effects in GIMP

I have been trying like crazy to get the material design shadowing right. Below is the image I created using GIMP. I have the drop shadow, but I think it kind-of needs to go all around the circles and ...
2
votes
1answer
603 views

Gimp - How to loop a gif seamlessly?

So I'm new at editing and I'm trying to insert gifs but somehow it always ends up with a gap after the gif ends and looks weird, I have no idea how can I change that :/ can anyone help me please?
4
votes
2answers
1k views

Export PNG image without alpha channel in GIMP

How do I export a PNG image without alpha channel in GIMP? I have checked a lot, but I can’t find this. I found an option to export PNG images without alpha channel in Inkscape, but I am not familiar ...
0
votes
0answers
198 views

how do I import an eps into GIMP with a different background color?

I'd like to import an image into GIMP and have it antialiaed with a custom background color. I don;t see a way to import an eps that doesn;t automatically set the color to anti-alias against as white. ...
0
votes
1answer
76 views

Gimp – blend between layers controlled by a heightmap

Suppose, I have a gray-scaled height map and ten layers with different diffuse textures or solid color textures. I would like to blend these texture layers in a way determined by the heightmap, as ...