Transcript Image File Types

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Module 4: Working with Images
Image File Types
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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
 Work in cooperative teams and teach the rest of the class about your
assigned graphic type
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Module 4: Working with Images
Guiding Questions

In Web design, images are saved as different file types. What are they?
When should the designer choose one over the other?
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Module 4: Working with Images
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
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Module 4: Working with Images
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
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Module 4: Working with Images
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.
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Module 4: Working with Images
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?