How Does 3D Work?

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?
Using your eyes to combine the two images they see

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?
Separate the images by filtering
Filter by color
Red
Blue

Making your own 3-D glasses
Supply list
Cardboard for glasses
Red and Blue cellophane
Scissors
Tape

How do the images work?
Two images
One for the left eye - red
One for the right eye - blue
Exactly the same as the glasses!!!
The blue side makes the blue disappear - so all you see is the red image in your right eye and Vice Versa

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?

by Bethany Smith

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