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In this Coding Challenge, I follow up on the Earthquake Data Visualization challenge ( and create a 3D version in Processing(Java) using spherical coordinates. I also discuss some 3D vector math including the cross product.

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Links discussed in this video:
Spherical Coordinates System on Wikipedia:
USGS Earthquake Data:
Cross Product Diagram:
Natural Earth Texture Maps:
Nasa Earth Maps:
Euler Angle on Wikipedia:
Quaternions and spatial rotation on Wikipedia:

Source Code for the all Video Lessons:

p5.js:
Processing:

For More Coding Challenges:
For an Intro to Programming using p5.js:
For more videos about p5.js and Data:

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