Photography

Questions tagged [gimp]

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GIMP (GNU Image Manipulation Program) is an open source, and freely distributed piece of software used for photo manipulation and retouching.

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Converting RAW images to lossless jpeg using GIMP?

I have a Raw image which I want to get printed. I need to upload this to a website which expects to be in jpeg format. I use GIMP for photo editing and used UFRaw to view RAW images. GIMP cannot ...
sat's user avatar
sat
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17 votes
6 answers
24k views

How can I overlay two images exactly by scaling one of them in gimp?

I have two different pictures of the same object, one of which is taken from roughy the same angle but has a different scale and rotation. I want both images to overlap so that the upper one matches ...
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janoliver
  • 273
2 votes
3 answers
2k views

How to photograph a huge book on a table so text is level?

I use PENTAX Optio RS1500 Hoya Corp. digital camera with 14 megapixels. When I photograph a huge book on a table, I can use text mode to capture all the text and lines clearly. But the lines become ...
sam's user avatar
sam
  • 121
19 votes
1 answer
22k views

What is the easiest way to alter white balance in Gimp?

Let's say I've accidentally shot my pictures on "sunny" white balace when I should have used "shade". What is the easiest way to warm the pictures up a bit in Gimp? The "Colors/Color balance" tool ...
che's user avatar
che
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6 answers
4k views

Is Adobe Photoshop worth the money?

I am starting to invest a little more money into my photography business. I've gone from a hobbyist to being asked to take professional shots, so I have the lights and other equipment. I'm upgrading ...
Andrea's user avatar
Andrea
  • 321
0 votes
1 answer
1k views

Is there an installer for the Windows version of the latest Resynthesizer plugin for Gimp?

From here : http://registry.gimp.org/node/25219 !!! The attached executables are Linux files. DO NOT download them for Windows. Also do NOT download the Python scripts for Windows (they won't ...
Sun's user avatar
Sun
  • 111
11 votes
1 answer
3k views

If I assign a profile to my monitor in Gnome Color Manager, should I also enable that profile in Gimp?

I finally got around to using dispcalGUI to profile my monitor under Linux. Now, having assigned that profile system-wide using Gnome Color Manager (or the Xfce Color settings dialog), there's a ...
mattdm's user avatar
mattdm
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1 answer
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How to offset the positioning of the Preview Gridlines in GIMP?

When rotating an image with GIMP, there is an option to superimpose gridlines on the image. The number of lines is settable but the offset is not. I'd expect that when changing the center of rotation, ...
ysap's user avatar
ysap
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2 votes
1 answer
1k views

How do different books on Gimp compare?

There is a series of books on GIMP. What are the differences among them? Can you help to pinpoint a good reference ? Ideally I hope that after reading such a book I would be more or less (...
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Francesco
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Are Gimp's "color space" blend modes the same as those in Photoshop?

The Wikipedia article on Blend Modes describes three of them in particular like this: Photoshop’s hue, saturation, color, and luminosity blend modes are based on a color space with dimensions that ...
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mattdm
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Can you clarify a better workflow for bracketed exposure HDR 360-panoramas?

After reading the thread about HDR Panorama workflow I was a bit confused. I need some help with clarification. In my current workflow I have to edit the nadir shot(s) using The GIMP. I do my best to ...
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Sukima
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10 votes
5 answers
49k views

Does Gimp have a Match Color function similar to that in Adobe Photoshop?

In a recent question, Steve Ross points out that Adobe Photoshop has a useful feature for matching color between photographs. Of course, color adjustment can be accomplished in Gimp with careful use ...
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mattdm
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Is there a way to get Gimp to use color curves from a Technicolor CineStyle S-curve lookup table?

Is there a way to import a Technicolor CineStyle S-curve lookup table in Gimp->Color->Curves? The lookup table is just a text file with 256 lines, with a numeric value (0..255) on each line: ...
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Mike Moe
  • 371
6 votes
1 answer
445 views

How do I effectively split an outdoor image across an uneven horizon in Gimp?

I'm looking to take an image looking out at a storm in the distance that has a fairly uneven horizon due to trees and a foreground fence post and only increase the contrast and decrease the brightness ...
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J.Deal
  • 63
2 votes
1 answer
925 views

Why do my photos get much smaller when sending .cr2 files from ufraw to gimp?

I am using ufraw to open .cr2 raw files in gimp, but I'm experiencing a strange issue. The .cr2 files are some 7Mb large. A typical dimension could be, for instance, 2374x1591, as reported by my ...
Francesco's user avatar
Francesco
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13 votes
8 answers
1k views

Reservations on making the move to Adobe Lightroom or Apple's Aperture

Background I'm a web developer (diploma) and computer scientist (degree), so I know a thing or two about computers and software. I just got into photography in Nov '10, but have been using Photoshop ...
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bafromca
  • 434
15 votes
1 answer
6k views

Can the effects of a polarizer be replicated in post-processing?

According to my knowledge Polarizing filters are mainly used to make sky appear more bluish in the day sunlight which gives more dramatic effect to your pictures. I don't have polarizing filters yet ,...
sat's user avatar
sat
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27 votes
5 answers
20k views

Is there an equivalent to Adobe's "Vibrance" in Gimp?

See: What's the difference between saturation and vibrance in Lightroom? In a nutshell, Adobe's Vibrance is a "smart" color adjustment that increases saturation selectively, leaving skin tones ...
mattdm's user avatar
mattdm
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2 votes
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Anyone know of a PS filter that's equivalent to the Retinex filter for GIMP?

The closest I've found so far are a couple from Topaz Labs. They're not quite the same though. Retinex is awesome. Especially if the environments in which you shoot lead to lots of underexposures.
Al Graham's user avatar
Al Graham
  • 384
2 votes
2 answers
18k views

How to improve quality of pictures that are already taken (if possible in GIMP)?

I'm not a photographer but a graphic designer. In GIMP, I only discovered two methods of improving the quality of an photo: ...
wyc's user avatar
wyc
  • 139
3 votes
2 answers
4k views

How can I "paint-with-opacity" onto a layer in gimp [closed]

I have a layer that is at 50% opacity. But in certain regions, I want to use a paintbrush to bring the opacity higher. How can I do this?
hunterp's user avatar
hunterp
  • 143
9 votes
2 answers
35k views

How to create two layers in "Gimp" and merge them back into one?

How do you create two layers in "Gimp" and merge them? For example, I would like to load an image, create two identical layers, edit each layer in different ways, then merge them into one final ...
brilliant's user avatar
brilliant
  • 249
10 votes
2 answers
3k views

Is there an easy way to select by histogram range in GIMP?

The other day I was wondering if there is an easy way in GIMP to choose the pixels that are part of a selected range on the histogram.
huff's user avatar
huff
  • 203
21 votes
13 answers
3k views

What are the alternatives to Photoshop? Is Gimp a good option?

It seems that Photoshop is the dominant software in that space, however I am a hobbyist photographer and Photoshop is not cheap. Is there anything else that compares and that does not have such a high ...
supercobra's user avatar
supercobra
  • 313
13 votes
2 answers
4k views

How does the Curves tool work in GIMP?

I started using GIMP recently, and came across an option called Curves under the Colors menu. What does this tool do, and how do I use it correctly? I get some good colors if I make a graph in 'S' ...
sat's user avatar
sat
  • 1,717
49 votes
7 answers
99k views

Does Photoshop have an equivalent to Gimp's "Color to Alpha"?

I have discovered Gimp's "Color to Alpha" feature, and man is it awesome! Basically, it will extract a particular color out of a selection and convert it to transparency. This gave me the ability to ...
Stephen's user avatar
Stephen
  • 823
28 votes
9 answers
2k views

How do I move my post-processing beyond Picasa?

Over time I've become fairly skilled in using Picasa to do post-processing starting with NEF files, but I'm thinking it's time to step it up a notch, and explore what I can do with a more ...
Rabbi David's user avatar
Rabbi David
  • 1,752
15 votes
1 answer
23k views

Are there GIMP plugins that allow one to view and edit EXIF data?

Does anyone know if there is a plugin available for the GIMP that will let you view and edit all the EXIF information associated with an image?
Alastair's user avatar
Alastair
  • 628
15 votes
3 answers
7k views

How can I remove the background of a photo using GIMP?

Sometimes it happens that I would like to extract a person from a photo and remove the background. How can I do it with GIMP? Every attempt that I made gave me very bad results. Can you give me some ...
Drake's user avatar
Drake
  • 275
66 votes
8 answers
5k views

What are the key photography-related features from Photoshop that are missing in GIMP?

I am on a tight budget and chose to use GIMP for editing since it is free. What important photographic post-processing features am I missing from Photoshop?
chills42's user avatar
chills42
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