1.
What is 3D? Bethany Smith NC State University

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Is this 3-D?

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What about this one?

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Is this one 3-D?

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What makes an image 3-D?

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What does 3-D stand for?

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How many dimensions were the previous illustrations?

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What makes an object 3-D?

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2-D X Y

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3-D X Y Z

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How do 3-D Images work?

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How does depth work? <ul><ul><li>Using your eyes to combine the two images they see </li></ul></ul>

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3-D images can only work when each eye sees a slightly altered image

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How do we get our eyes to see different images?

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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.
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>

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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>

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How 3-D images are Made

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Take 1 Stereopair

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Color the left red and the right blue

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Combine the two together