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Description
Class Summary  

Hermite  Calculates a cubic equation between two control points so that points on the curve in between can be interpolated. 
HermiteDemo  Performs some simple tests on the Hermite class. 
LocalFrame  Stores a local coordinate frame as a rotation (a Quaternion) and a translation (a Point3d). 
LocalFrameDemo  Performs some simple tests on the LocalFrame class. 
Point3d  This class is used to create a point with 3 elements of type double. 
Quaternion  This class is used to create a quaternion, a fourdimensional complex number that is typically used to represent a rotation in threedimensional space. 
QuaternionDemo  Performs several tests on the Quaternion class, including a test of the SLERP (Spherical Linear intERPolation) algorithm. 
SlerpDemo  Tests the SLERP algorithm. 
Vec3d  This class is used to create a vector with 3 elements of type double. 
VectorAndPointDemo  Performs some simple tests on the Vec3d and Point3d classes. 
The key classes in this package are Hermite and Quaternion, which are needed
for generating the ribbons and tubes that are used to represent the backbone
of a protein in a cartoontype display.


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