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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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? ...
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0answers
23 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 ...
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3answers
86 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 ...
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1answer
28 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
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15 views

Gimp problem with genius mousepen i608x [on hold]

I cant use pressure sensitivity feature in my graphics tablet with gimp , I did set everything up in gimp input devices , the weird thing though is that it works the first time I open gimp after ...
3
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1answer
82 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
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1answer
27 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 ...
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2answers
38 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 ...
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0answers
43 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 ...
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2answers
143 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', ...
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0answers
24 views

How do I correctly add transparency to an antialiased image using Gimp

I have a bitmapped image that has been drawn over a white background using antialiasing. I would like to add transparency so that I can place it over different color backgrounds and have it render ...
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1answer
54 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
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2answers
60 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 ...
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1answer
41 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?
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1answer
55 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 ...
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2answers
49 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 ...
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2answers
67 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 ...
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0answers
28 views

What's a good tablet for Gimp +2.8?

My wacom Intious and an older Yinova tablet don't work well in gimp anymore. Blender Krita runs perfect, but Inkscape and Gimp are buggy (for example, the pressure gets activated the right click). ...
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1answer
43 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 ...
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0answers
60 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
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2answers
103 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 ...
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1answer
56 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 ...
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1answer
71 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 ...
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1answer
60 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 ...
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2answers
39 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 ...
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1answer
37 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
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1answer
234 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 ...
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2answers
97 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 ...
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0answers
35 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 ...
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0answers
39 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 ...
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1answer
34 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
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1answer
66 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
59 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? ...
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1answer
35 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 ...
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2answers
40 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
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4answers
109 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
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2answers
84 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
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1answer
57 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 ...
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0answers
304 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
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1answer
106 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?
3
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2answers
349 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 ...
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0answers
62 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
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1answer
58 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 ...
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0answers
83 views

Round sharp edges of icon using GIMP or PIXLR

I am trying to make icon and small clip-arts to use in my app but the artwork I import has very sharp edges and they screw up the cleanliness of the app. How to buffer the edges I am using Pixlr ...
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1answer
61 views

Editing PNG in GIMP: is it possible to remove lines (used as arrows) and extrapolate the now blank squares?

I'm using GIMP to prepare this PNG file for vectorization in Inkscape. I've noticed that the vectorization process makes removing these lines far more tedious after the vectorization than before. ...
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0answers
62 views

Gimp always displays the wrong color for transparent layers

I have a problem (which I had previously on completely another Ubuntu and older versions of Gimp [now I have the latest - 2.8.10]). When I open PSDs with transparent layers, they get displayed in a ...
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1answer
24 views

How do I unselect items in GIMP?

I'm currently using GIMP to add text captions and lines into a screenshot. The problem is that once I finished one caption I couldn't add any more lines (using the Paint Brush tool). If I close the ...
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1answer
601 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 ...
2
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1answer
171 views

Using GIMP to extract a background from a set of pictures

I've got a set of pictures of a group of people that were taken on a tripod. Some of the people moved between pictures, and I want to extract a common background so I can combine the backgrounds to ...
2
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1answer
62 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 ...