Takuichi Hirano (Nov. 21, 2003)
The following graphics are interactive!
| user action | applet reaction |
|---|---|
| dragging (left mouse button pressed) | rotating about an axis in the picture |
| releasing left mouse button while dragging | spinning about an axis in the picture |
| SHIFT key pressed plus vertical dragging | zooming |
| CONTROL key pressed plus vertical dragging | changing focal length |
| double clicking | stopping or restarting animation |
Spherical coordinates are expressed with (r, theta, phi).
Graphics by Mathematica and LiveGraphics3D
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