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Making Things See
book

Making Things See

by Greg Borenstein
January 2012
Beginner to intermediate content levelBeginner to intermediate
440 pages
17h 11m
English
Make: Community
Content preview from Making Things See

Transferring Orientation in 3D

Up to this point, we’ve mainly been working with the skeleton tracking data in 2D. We’ve converted the joint positions from real world into projective coordinates so that they’d match the depth image. However, there is a whole other class of applications where we’ll want to keep the tracking data in real-world coordinates in order to use it to provide 3D interfaces. If we are using the tracking data as the input to a 3D interface, we won’t want to reduce it to two dimensions by converting it to projective coordinates. We’ll want to keep it in 3D and apply the position as well as the orientation of various joints to our 3D elements.

In Chapter 3 we learned how to position and rotate objects in 3D coordinates for display. ...

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Publisher Resources

ISBN: 9781449321918Errata