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Classes to represent points, pointsets, anisotropic arrays, and quaternions

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This single module provides the following classes:
  • Point: represents a single point or vector of arbitrary dimension
  • Pointset: represents a set of points or vectors of arbitrary dimension
  • Aarray: represents an anisotropic array (subclasses numpy.ndarray)
  • Quaternion: represents a quaternion (to describe 3D rotations)

The Point and Pointset classes have several methods for mathematical operations such as calculating angles and cross products.

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