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What is 3D? Bethany Smith NC State University
Is this 3-D?
What about this one?
Is this one 3-D?
What makes an image 3-D?
What does 3-D stand for?
How many dimensions were the previous illustrations?
What makes an object 3-D?
2-D X Y
3-D X Y Z
How do 3-D Images work?
How does depth work? <ul><ul><li>Using your eyes to combine the two images they see </li></ul></ul>
3-D images can only work when each eye sees a slightly altered image
How do we get our eyes to see different images?
How do the glasses work? <ul><li>Separate the images by filtering </li></ul><ul><li>Filter by color </li></ul><ul><ul><li>...
Making your own 3-D glasses <ul><li>Supply list </li></ul><ul><ul><li>Cardboard for glasses </li></ul></ul><ul><ul><li>Red...
How do the images work? <ul><li>Two images </li></ul><ul><ul><li>One for the left eye - red </li></ul></ul><ul><ul><li>One...
How 3-D images  are Made
Take 1 Stereopair
Color the left  red   and the right  blue
Combine the two together
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How Does 3D Work?

This slidedeck is from a 1 hour presentation/workshop on how 3D works. This covers the basics of red/blue 3D and how to make your own images and glasses.

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How Does 3D Work?

  1. 1. What is 3D? Bethany Smith NC State University
  2. 2. Is this 3-D?
  3. 3. What about this one?
  4. 4. Is this one 3-D?
  5. 5. What makes an image 3-D?
  6. 6. What does 3-D stand for?
  7. 7. How many dimensions were the previous illustrations?
  8. 8. What makes an object 3-D?
  9. 9. 2-D X Y
  10. 10. 3-D X Y Z
  11. 11. How do 3-D Images work?
  12. 12. How does depth work? <ul><ul><li>Using your eyes to combine the two images they see </li></ul></ul>
  13. 13. 3-D images can only work when each eye sees a slightly altered image
  14. 14. How do we get our eyes to see different images?
  15. 15. How do the glasses work? <ul><li>Separate the images by filtering </li></ul><ul><li>Filter by color </li></ul><ul><ul><li>Red </li></ul></ul><ul><ul><li>Blue </li></ul></ul>
  16. 16. Making your own 3-D glasses <ul><li>Supply list </li></ul><ul><ul><li>Cardboard for glasses </li></ul></ul><ul><ul><li>Red and Blue cellophane </li></ul></ul><ul><ul><li>Scissors </li></ul></ul><ul><ul><li>Tape </li></ul></ul>
  17. 17. How do the images work? <ul><li>Two images </li></ul><ul><ul><li>One for the left eye - red </li></ul></ul><ul><ul><li>One for the right eye - blue </li></ul></ul><ul><li>Exactly the same as the glasses!!! </li></ul><ul><li>The blue side makes the blue disappear - so all you see is the red image in your right eye and Vice Versa </li></ul>
  18. 18. How 3-D images are Made
  19. 19. Take 1 Stereopair
  20. 20. Color the left red and the right blue
  21. 21. Combine the two together

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