Adobe Photoshop
Adobe Photoshop is a very powerful inherently pixel-based (rather than object-based) image-editing program. Photoshop’s companion, Adobe Illustrator, is better for dealing with object-based files that have curves, shapes, or text in them one wants to edit as “objects.”
Many scientists think Photoshop isn’t for them, and for many, that’s correct. To be “good” at Photoshop takes concerted effort and training, and some innate aesthetic sense as well (and quite a bit of money, usually). However, Photoshop has the flexibility to open more image formats than most image-editing software, and even a novice can manipulate images within it very usefully. In addition, the “FITS liberator” program makes Photoshop especially useful to astronomers, as this opens their standard “FITS” format files in Photoshop, even offering integration with “AVM” tags for adding/manipulating astronomical and outreach metadata attached to images.
- Software site link: http://www.adobe.com/products/photoshop.html
- Price: Not free, academic discounts and bundles available.
- Wikipedia: http://en.wikipedia.org/wiki/Photoshop
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