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The Wonderful World of Computer Graphics

The Wonderful World of Computer Graphics. Nancy B. Clark, MEd USA Family Practice. Outline. Definitions Graphics Programs Sources of Graphics Hands on Experiences Digital Camera -- Photo Touchup Scanning Clipart CD Drawing. Definitions:. Clipart/drawings Photographs. Compression.

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The Wonderful World of Computer Graphics

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  1. The Wonderful World of Computer Graphics Nancy B. Clark, MEd USA Family Practice

  2. Outline • Definitions • Graphics Programs • Sources of Graphics • Hands on Experiences • Digital Camera -- Photo Touchup • Scanning • Clipart CD • Drawing

  3. Definitions: • Clipart/drawings • Photographs

  4. Compression • Graphics File Formats: • gif (best for clip-art) • jpg (best for photos) • bmp … (Windows) • Resolution DPI: Web vs Print • Photo quality printers 1440 DPI+ • Web 72 DPI • Color Palettes • 256 colors • 32K - 16M

  5. Resizing • Maintain Aspect Ratio (Shift-Corners) • Reduce Pixels

  6. Cropping

  7. Rotate, flip, and mirror

  8. Adjusting • Color, Contrast, Brightness

  9. Ordering/Arranging • Send to Back • Bring to Front FP

  10. Objects • Grouping/Ungrouping FP FP

  11. Graphics Programs • Corel • Adobe PhotoShop • Adobe Photo Deluxe • Paint Shop Pro • Windows Paint • Electronic Photo Albums • Screen Saver Photo Albums

  12. Scanning Pictures Text Digital Cameras Capturing Graphics from the Web Clipart Gallery CDs Photo CD from film development Drawing Using Charting Utilities Sources of Graphics

  13. Storage Options • Hard Drive (pros and cons) • 1.4 M 3.5” floppy - 8-10 high-res .jpg • 100M Zip disk - 100 photos • 125M 3.5” Superdisk -125 photos • 600M read/write CD • 1G Jaz • 9G read/write DVD* *future technology 133K 640x480 .jpg photo with 16M colors

  14. Inserting a picture in Word and PowerPoint • Select the Insert Menu • Select Picture or Image • Select Clipart... or From File… • Where Saved? • What Name? • Move it • Resize it

  15. Sending Graphics • Create a new e-mail message • Address it • Write message • Attach graphics file • Send message

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