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Image File Types

Image File Types. LESSON 5. Module 4: Working with Images. In this lesson, we will: Use the Internet to produce a definition for three graphic file types most often used on the Internet. GIF JPEG PNG

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Image File Types

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  1. Image File Types LESSON 5 Module 4: Working with Images

  2. In this lesson, we will: • Use the Internet to produce a definition for three graphic file types most often used on the Internet. • GIF • JPEG • PNG • Work in cooperative teams and teach the rest of the class about your assigned graphic type

  3. Guiding Questions In Web design, images are saved as different file types. What are they? When should the designer choose one over the other?

  4. Web sites Graphic file types: http://www.webstyleguide.com/graphics/formats.html Image file types and how to choose: http://www.wfu.edu/~matthews/misc/graphics/formats/formats.html All image files: http://www.fileinfo.net/filetypes/image

  5. Exploring image file types • Research an image file type • Create a mini-lesson • Present the mini-lesson to the class • Complete the Image File Type worksheet

  6. Lesson Review • JPEG: A graphic file type that is used primarily for photographs and has lossy compression. • GIF: A graphic file type that is used primarily for line art and simple animations. • PNG: A graphic file type that is used for static images with lossless compression.

  7. Assessment • Why is it critical to know what file type you are working with or want to save as? • If you were creating an animation for a Web page, what file type would you save the image as? • What is the significance of a PNG file type, and when would you use it? • What file type is commonly used in the photography world, and why?

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