PyGeo: a dynamic geometry toolkit

curves

array of points on a defined curve in space

f Curve() ...

factory function returns instance of a class representing an array of points on a defined curve

constructors:
Curve ([list of points] )
Bezier curve with the ordered list of points as control points
Curve (point1,point2,point3,point4 )
cubic BSpline curve with 1st and 2nd given points as end points and 3rd and 4th points as control points

See the source for more information.