How to lighten dark areas in images with Aperture

Various image processors have re-light or fill-light capabilities that can bring shadow areas into better balance with the rest of an image. What are the ways Aperture provides to do this?

Aperture doesn't have a dedicated re-light or fill-light tool, but it there are a number of tools (and techniques) that can be used to do the same kind of thing. The actual tools that give best results will vary according to the scene and the type of image detail you want to relight.
The simplest is the highlight/shadows tool. Raise the shadows slider until all the shadow details you want have been brightened. If the adjustment is too extreme (resulting in loss of contrast) raise it a touch more and then apply the mid contrast slider to restore contrast.
If the tonal balance doesn't look right, finish it off with a levels adjustment (and vibrancy/saturation if some colours have lost their punch due to brightening)
If you find the results are not happening, it's likely the adjustment isn't working on the right range of data for you, so you can first use other brightening tools, like exposure and/or curves, to brigten the image, and then h/s + levels to finish off.
Here's an example I just worked on, using curves to brighten first, then h/s + levels to adjust the final balance:
There are many other approaches. All the tools can also be brushed into the image so they only apply to specific areas and/or tonal ranges (can be targeted at shadows, mids or highlights), multiple versions of the same adjustment type can be added ("add new xxx adjustment" from the adjust gear menu) and there are also a range of brushes (eg; dodge, overlay and contrast) that can help in getting things looking just right.
Regards,
Andy

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http://myhome.naver.net/imsangchin/trace1.jpg
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bybeeler wrote:
[1] I found this response to the question about Aperture and external hard drives from last May. I bought a WD My Book 4TB and need to back up photos I have in Aperture (many!) to free up space.
[2] I am a photographer and need to be able to plug the external drive in as needed, pull a photo out from the WD and back into Aperture to work on it if needed.
[1] A back-up is a copy of digital files stores on a separate device. A back-up is recommended because drives fail, and humans make mistakes. A back-up is not used to free up storage space.
[2] Aperture can be set up in many equally-usable ways. The program files reside (almost always) on your system drive. The data files can be anywhere you want them, as long as they are on locally-mounted drive(s). The main data file is your Library. The best place for it is on the drive that has the fastest throughput to your logic board. This is, in nearly 100% of machines, the system drive. But Aperture functions well with Libraries of secondary drives — internal or external — with sufficient throughput. USB-3 and Thunderbolt I (& II) provide sufficient throughput for using an Aperture Library on a secondary drive.
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— Cons: You can't export (except Previews), Print, or make adjustments until your external drive is mounted. Significantly more difficult to administer, especially importing and backing-up.
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— Cons: Yet another level more difficult to administer.
If you are comfortable with the administrative overhead, the third set-up will be the most rewarding. Keep all _current_ Images Originals inside your Library, and routinely relocate the Originals of Images no longer current to the external drive.
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How to lighten dark areas in images with Aperture

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