compare spline animateMotion and animateTransform
Comparing spline animateMotion using keyPoints and keyTimes with
animateTransform for a circle as a path for a rectangle.
animateTransform is red and covered completely
by the blue animateMotion.
The path consists of three parts respectively two
rotations of 90 degree and a final of 180 degree
back to the initial position.
The paths are indicated in gray.
If something red gets visible, an error is occured.
calcMode spline
red: animateTransform calcMode spline
blue: animateMotion calcMode spline