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Resizing Photographs

Resizing Photographs. Accurately changing the old to new. Resizing Counts!. If you resize a picture incorrectly it will be immediately noticed. Need to Shrink. Enlarging photos will likely have poor results. The picture will end up being blurry or pixilated. 150%. Bigger is Better.

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Resizing Photographs

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  1. Resizing Photographs Accurately changing the old to new

  2. Resizing Counts! • If you resize a picture incorrectly it will be immediately noticed.

  3. Need to Shrink • Enlarging photos will likely have poor results. • The picture will end up being blurry or pixilated. 150%

  4. Bigger is Better • Reducing the picture size will not alter the quality or clarity.

  5. Real Applications • When working in any type of media you will have fixed sizes that a picture needs to fit into. • The customer does not want a poor quality reduction so you need to figure out the exact amount the picture needs to be reduced.

  6. Example • My total workspace for the web page is 1024 X 768 pixels.

  7. Example Pt 2 • The customer wants three pictures on the side of the page, they need to fit into an area which is 400 X 300 pixels. • One of the pictures we have is currently 900 X 400. • We need a way to accurately reduce this photo.

  8. Example Pt 3 • Current Size 900 X 400 • What would the width be if the length was 400?

  9. Second Example • We have a picture 800 X 600 • Will it fit into an area of 300 X 275 if we make the width 275?

  10. Second Example Cont. • We will use maximum length instead of width.

  11. Practice New Length 120 ? 700 ? 350 New Width ? 500 ? 400 ? Original 800 X 600 1200 X 900 1100 X 800 • X 525 700 X 450

  12. Practice Answers New Length 120 667 700 686 350 New Width 90 500 509 400 225 Original 800 X 600 1200 X 900 1100 X 800 • X 525 700 X 450

  13. Maximum Area • We have a photo that is 700 X 500 and we have an area on a web page that is 350 X 275. • If we use the length as our first dimension the picture would resize as 350 X 250 • If we use the width as our first dimension the picture would resize as 385 X 275 • The first equation uses all but 25 pixels and the second number is too large, so the size using the maximum amount of area is 350 X 250.

  14. Maximum Area Practice • Photo is 600 X 800. The space provided is 525 X 350. • What is the best size to reduce the photo to, using the maximum amount of area?

  15. Max area Practice • Using the length it ends up being 525 X 700, which is too large • Using the width the picture would be 263 X 350. This would be the best choice.

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