Euclidean 0 parabola 0.441294 0.729056 catenaria 0 0 0.993932 def calc( arg1 ): t = arg1.coordinate().x y = cosh(t) return Point(Coordinate(t,y)) 2 3 1 1 def calc( arg1 ): t = arg1.coordinate().x y = cosh(t) return Point(Coordinate(t,y)) 0 0 -1 0.500581