Chapter 2
Basic Image-Editing Concepts
IN THIS CHAPTER
Understanding and changing resolution
Resampling images
Working with file formats
Understanding color
When you open a picture in Photoshop Elements, you’re looking at a huge grid of pixels. These pixels are tiny, colored squares, and the number of pixels in a picture determines the picture’s resolution.
This relationship between pixels and resolution is important for you to understand in all your Elements work. You’ll find the concepts covered in this chapter especially helpful when creating selections (as we explain in Chapter 8), printing files (Chapter 15), and sharing files (Chapter 16).
Additionally, you need to understand color modes, which define how many colors an image contains. Color modes are important when you’re using tools in the Tools panel and Panel Bin and printing and sharing files. Basically, you want to choose a color mode for your image that is best suited for print or onscreen and the type of image you have (a photo with lots of colors versus a line drawing with only a few colors, for example).
Like resolution ...
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